books: refactoring, split out common code into library, shellcheck'ed
This commit is contained in:
Yetangitu
parent
e1ae2cdb00
commit
eba03f2669
1 changed files with 98 additions and 167 deletions
265
books
265
books
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@ -1,12 +1,22 @@
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#!/usr/bin/env bash
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#
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# shellcheck disable=SC2034,SC1090,SC2254
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shopt -s extglob
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trap "trap_error" TERM
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trap "trap_clean" EXIT
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export TOP_PID=$$
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version="0.7.0"
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release="20210506"
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version="0.7.1"
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release="20200812"
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functions="$(dirname "$0")/books_functions"
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if [ -f "$functions" ]; then
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source "$functions"
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else
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echo "$functions not found"
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exit 1
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fi
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main () {
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# PREFERENCES
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@ -103,6 +113,8 @@ main () {
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[q]=openlibraryid
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[b]=identifierwodash
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[m]=md5
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[D]=ddc
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[L]=lcc
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)
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# base url for covers
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@ -167,9 +179,9 @@ main () {
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# used to select table prefix in command line search, contains regex patterns
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declare -A attribute_columns=(
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[description]="descr|toc"
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[hashes]="crc32|edonkey|aich|sha1|tth|torrent|btih|sha256"
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[topics]="topic_descr|topic_id"
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[hashes]="crc32|edonkey|aich|sha1|tth|torrent|btih|sha256"
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[description]="^descr$|toc"
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)
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# query output filter for different purposes
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@ -189,15 +201,13 @@ main () {
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)
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# GETOPT config
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# remove captital M from options (tr -d 'm ') to allow it to be used for fast path search
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# remove capital I from options (tr -d 'i ') to allow it to be used for use_ipfs
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search_options='@('$(echo "${!schema[@]}"|tr ' ' '|')'|'$(echo "${!schema[@]}"|tr -d 'm '|tr -d 'i '|tr ' ' '|'|tr '[:lower:]' '[:upper:]')')'
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search_getopts="$(echo "${!schema[@]}"|tr ' ' ':'):$(echo "${!schema[@]}"|tr -d 'm '|tr -d 'i '|tr ' ' ':'|tr '[:lower:]' '[:upper:]'):"
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search_options='@('$(echo "${!schema[@]}"|tr ' ' '|')')'
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search_getopts="$(echo "${!schema[@]}"|tr ' ' ':'):"
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# X11-related config
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if xset q &>/dev/null; then
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# used to size yad/zenity windows
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min_screenres=$(xrandr|grep '*'|sort -n|head -1|awk '{print $1}')
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min_screenres=$(xrandr|grep '\*'|sort -n|head -1|awk '{print $1}')
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x_size=$(($(echo "$min_screenres"|cut -d 'x' -f 1) - 50))
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y_size=$(($(echo "$min_screenres"|cut -d 'x' -f 2) - 30))
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fi
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@ -220,8 +230,6 @@ main () {
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query=""
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no_update=0
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mysql=$(find_tool "mysql")
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# this contains the columns in the current database, used to filter out unsupported search fields
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current_fields="$(get_current_fields)"
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@ -242,7 +250,7 @@ main () {
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# PROCESS OPTIONS AND BUILD QUERY
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while getopts ":${search_getopts}fF:hkx#:@wu:I:U:=:j:J:M:$" OPTION
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while getopts ":${search_getopts}fF:hkxX#:@wu:I:U:=:j:J:M:$" OPTION
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do
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case $OPTION in
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$search_options)
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@ -272,6 +280,9 @@ main () {
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x)
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no_update=1
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;;
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X)
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((exact_match++))
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;;
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'#')
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limit="${OPTARG}"
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;;
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@ -288,7 +299,7 @@ main () {
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exit_with_error "-u: torrent helper script ($torrent_tools) not found"
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fi
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else
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exit_with_error '-u needs torrent helper script, see $torrent_tools'
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exit_with_error "-u needs torrent helper script, see \$torrent_tools"
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fi
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else
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unset use_torrent
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@ -296,7 +307,10 @@ main () {
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;;
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I)
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if is_true "$OPTARG"; then
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if [[ "$OPTARG" == "show" ]]; then
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get_ipfs_cid
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exit
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elif is_true "$OPTARG"; then
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use_ipfs=1
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unset use_torrent
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else
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@ -462,37 +476,13 @@ main () {
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}
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# find tool, returns the first|one|found, exit with error message if none found
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find_tool () {
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IFS='|' read -ra tools <<< "$*"
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found=0
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for tool in ${tools[@]}; do
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if [[ -n $(which "$tool") ]]; then
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found=1
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break
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fi
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done
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if [[ $found -eq 0 ]]; then
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if [[ ${#tools[@]} -gt 1 ]]; then
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exit_with_error "missing programs: $*; install at least one of these: ${tools[*]} and try again"
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else
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exit_with_error "missing program: $1; please install and try again"
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fi
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fi
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echo "$tool"
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}
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# DOWNLOAD
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# feed this a list of hashes to attempt to download the related publications
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download () {
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db="$1"
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shift
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for md5 in $@; do
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for md5 in "$@"; do
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filename=$(get_filename "$md5" "$use_deep_path")
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@ -504,7 +494,6 @@ download () {
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dl_src_ipfs "$db" "$md5" "$filename"
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else
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dl_src_direct "$db" "$md5" "$filename"
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# dl_src_${db} "$md5" "$filename"
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fi
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fi
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done
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@ -566,20 +555,18 @@ get_file () {
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;;
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esac
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trap "kill $(<"${tmpdir}/dl_pid") $(<"${tmpdir}/pager_pid") 2>/dev/null; rm -rf ${tmpdir};" EXIT
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trap 'kill $(<"${tmpdir}"/dl_pid) $(<"${tmpdir}"/pager_pid) 2>/dev/null; rm -rf "${tmpdir}";' EXIT
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# wait for the pager to finish (or be closed by the user) and/or the download to finish
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# this replaces the (buggy) auto-kill functionality of yad and zenity (dialog does not have any auto-kill)
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while (kill -0 $(<"${tmpdir}/pager_pid") 2>/dev/null); do
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if (kill -0 $(<"${tmpdir}/dl_pid") 2>/dev/null); then
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while (kill -0 "$(<"${tmpdir}/pager_pid")" 2>/dev/null); do
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if (kill -0 "$(<"${tmpdir}/dl_pid")" 2>/dev/null); then
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sleep 1
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else
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break
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fi
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done
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kill $(<"${tmpdir}/dl_pid") 2>/dev/null
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kill $(<"${tmpdir}/pager_pid") 2>/dev/null
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rm -rf "${tmpdir}"
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}
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@ -592,11 +579,11 @@ dl_src_direct () {
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case "$db" in
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libgen)
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url="${downloadurl[$db]}/$(get_torrent ${db} ${md5})/${md5,,}/placeholder"
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url="${downloadurl[$db]}/$(get_torrent "${db}" "${md5}")/${md5,,}/placeholder"
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;;
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libgen_fiction)
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extension=$(get_attr 'extension' "${db}" "${md5}")
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url="${downloadurl[$db]}/$(get_torrent ${db} ${md5})/${md5,,}.${extension,,}/placeholder"
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url="${downloadurl[$db]}/$(get_torrent "${db}" "${md5}")/${md5,,}.${extension,,}/placeholder"
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;;
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*)
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exit_with_error "no direct download available for $db"
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@ -629,7 +616,7 @@ dl_src_ipfs () {
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if [[ -z $ipfs_cid ]]; then
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echo "ipfs_cid not found, trying direct download..."
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dl_src_${db} "${md5}" "${filename}"
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dl_src_direct "${db}" "${md5}" "${filename}"
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else
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url="${ipfs_gw}/ipfs/${ipfs_cid}"
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get_file "'${filename}'" "${url}"
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@ -735,7 +722,7 @@ dl_src_torrent () {
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until [[ $count == 5 ]]; do
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if copy_file; then break; fi
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sleep 5
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count=$((count+1))
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((count++))
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done
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if [[ -f "$dest" ]]; then
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if ! check_md5 "$dest"; then
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@ -769,8 +756,8 @@ dl_src_torrent () {
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dl_torrent () {
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db="$1"
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md5="$2"
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torrent_filename="$(get_torrent_filename ${db} ${md5})"
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torrent_abspath="$(get_torrent_filename ${db} ${md5} 1)"
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torrent_filename="$(get_torrent_filename "${db}" "${md5}")"
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torrent_abspath="$(get_torrent_filename "${db}" "${md5}" 1)"
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if [[ ! -f "$torrent_abspath" ]]; then
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url="${torrenturl[$db]}/${torrent_filename}"
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@ -788,7 +775,7 @@ dl_torrent () {
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# currently only the main libgen db can be updated through the api
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update_database () {
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db="${programs[books]}"
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last_update=$(($(date +%s)-$(date -d "$(get_time_last_modified $db)" +%s)))
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last_update=$(($(date +%s)-$(date -d "$(get_time_last_modified "$db")" +%s)))
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if [[ $last_update -gt $((max_age*60)) ]]; then
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if [[ $no_update -eq 0 ]]; then
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update_libgen=$(find_tool "update_libgen")
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@ -799,28 +786,17 @@ update_database () {
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fi
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}
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dbx () {
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db="$1"
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shift
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if [ $# -gt 0 ]; then
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"$mysql" -Bsss -h ${dbhost} -P ${dbport} -u ${dbuser} ${db} -e "$@"
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else
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"$mysql" -Bsss -h ${dbhost} -P ${dbport} -u ${dbuser} ${db}
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fi
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}
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get_current_fields () {
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db="${programs[$program]}"
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declare -a db_tables="${tables[$db]}"
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for table in ${db_tables[@]}; do
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dbx $db "describe $table;"|awk '{print tolower($1)}'
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for table in "${db_tables[@]}"; do
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dbx "$db" "describe $table;"|awk '{print tolower($1)}'
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done
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}
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get_time_last_modified () {
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dbx $db 'select MAX(TimeLastModified) FROM updated;'
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dbx "$db" 'select MAX(TimeLastModified) FROM updated;'
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}
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add_clause () {
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@ -845,17 +821,18 @@ add_clause () {
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pattern=${pattern//%/\\%}
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pattern=${pattern//_/\\_}
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[[ ! $opt_pattern =~ $pattern ]] && opt_pattern+=" $pattern"
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case "${option}" in
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[[:lower:]])
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if [ -z "$exact_match" ]; then
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clauses+=" and ${schema[${option}]} like '%${pattern}%'"
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;;
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[[:upper:]])
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clauses+=" and ${schema[${option,,}]}='${pattern}'"
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;;
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esac
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elif [ "$exact_match" -eq 1 ]; then
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clauses+=" and ${schema[${option}]} like '${pattern}%'"
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elif [ "$exact_match" -eq 2 ]; then
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clauses+=" and ${schema[${option}]} like '%${pattern}'"
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else
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clauses+=" and ${schema[${option}]}='${pattern}'"
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fi
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fi
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[[ ! $opt_fields =~ ${schema[${option,,}]} ]] && opt_fields+="${schema[${option,,}]},"
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[[ ! $opt_fields =~ ${schema[${option}]} ]] && opt_fields+="${schema[${option}]},"
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else
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echo "warning: option -$option ignored (database $db does not contain column ${schema[${option}]})"
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fi
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@ -878,7 +855,7 @@ run_query () {
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else
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query_result+=("${line[@]}")
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fi
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done < <(echo "$sql"|"$mysql" -Bssss -h "$dbhost" -P "$dbport" -u "$dbuser" "$db"|(eval "${filters[$filter]}"))
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done < <(dbx "$db" "$sql"|(eval "${filters[$filter]}"))
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}
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get_attr () {
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@ -1028,9 +1005,8 @@ preview_zenity () {
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run_query "$db" "preview_zenity" "${sql}"
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if [[ ${#query_result[@]} -gt 0 ]]; then
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filename=$(get_attr 'filename' "$db" "$md5")
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info="<table><tr><td><b>Author</b>:</td><td colspan='5'>${query_result[0]}</td></tr><tr><td><b>Title</b>:</td><td colspan='5'>${query_result[1]}</td></tr><tr><td><b>Volume</b>:</td><td>${query_result[2]}</td><td><b>Series</b>:</td><td>${query_result[3]}</td><td><b>Edition</b>:</td><td>${query_result[4]}</td></tr><tr><td><b>Year</b>:</td><td>${query_result[5]}</td><td><b>Publisher</b>:</td><td>${query_result[6]}</td></tr><tr><td><b>Language</b>:</td><td>${query_result[7]}</td><td><b>Size</b>:</td><td>${query_result[8]}</td><td><b>Type</b>:</td><td>${query_result[9]}</td></tr><tr><td><b>OLID</b>:</td><td>${query_reslt[10]}</td><td><b>ISBN</b>:</td><td>${query_result[11]}</td><td><b>MD5</b>:</td><td>${md5^^}</td></tr></table><span style='font-size:x-small;'><pre>${filename}</pre></span><hr><table><tr><td style='width:25%;'><img style='width:95%;' src='${coverurl[$db]}/${query_result[13]}'></td><td style='vertical-align:top;'>$(strip_html ${query_result[12]})</td></tr></table>"
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zenity_result=$(echo "$info"|zenity --width $x_size --height $y_size --text-info --html --ok-label "Download" --cancel-label "Skip" --filename=/dev/stdin 2>/dev/null)
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if [[ $? -eq 0 ]]; then
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info="<table><tr><td><b>Author</b>:</td><td colspan='5'>${query_result[0]}</td></tr><tr><td><b>Title</b>:</td><td colspan='5'>${query_result[1]}</td></tr><tr><td><b>Volume</b>:</td><td>${query_result[2]}</td><td><b>Series</b>:</td><td>${query_result[3]}</td><td><b>Edition</b>:</td><td>${query_result[4]}</td></tr><tr><td><b>Year</b>:</td><td>${query_result[5]}</td><td><b>Publisher</b>:</td><td>${query_result[6]}</td></tr><tr><td><b>Language</b>:</td><td>${query_result[7]}</td><td><b>Size</b>:</td><td>${query_result[8]}</td><td><b>Type</b>:</td><td>${query_result[9]}</td></tr><tr><td><b>OLID</b>:</td><td>${query_result[10]}</td><td><b>ISBN</b>:</td><td>${query_result[11]}</td><td><b>MD5</b>:</td><td>${md5^^}</td></tr></table><span style='font-size:x-small;'><pre>${filename}</pre></span><hr><table><tr><td style='width:25%;'><img style='width:95%;' src='${coverurl[$db]}/${query_result[13]}'></td><td style='vertical-align:top;'>$(strip_html "${query_result[12]}")</td></tr></table>"
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if zenity_result=$(echo "$info"|zenity --width $x_size --height $y_size --text-info --html --ok-label "Download" --cancel-label "Skip" --filename=/dev/stdin 2>/dev/null); then
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download "${db}" "${md5}"
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fi
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fi
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@ -1046,10 +1022,8 @@ preview_yad () {
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run_query "$db" "preview_yad" "${sql}"
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if [[ ${#query_result[@]} -gt 0 ]]; then
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filename=$(get_attr 'filename' "$db" "$md5")
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info="<table><tr><td><b>Author</b>:</td><td colspan='5'>${query_result[0]}</td></tr><tr><td><b>Title</b>:</td><td colspan='5'>${query_result[1]}</td></tr><tr><td><b>Volume</b>:</td><td>${query_result[2]}</td><td><b>Series</b>:</td><td>${query_result[3]}</td><td><b>Edition</b>:</td><td>${query_result[4]}</td></tr><tr><td><b>Year</b>:</td><td>${query_result[5]}</td><td><b>Publisher</b>:</td><td>${query_result[6]}</td></tr><tr><td><b>Language</b>:</td><td>${query_result[7]}</td><td><b>Size</b>:</td><td>${query_result[8]}</td><td><b>Type</b>:</td><td>${query_result[9]}</td></tr><tr><td><b>OLID</b>:</td><td>${query_reslt[10]}</td><td><b>ISBN</b>:</td><td>${query_result[11]}</td><td><b>MD5</b>:</td><td>${md5^^}</td></tr></table><span style='font-size:x-small;'><pre>${filename}</pre></span><hr><table><tr><td style='width:25%;'><img style='width:95%;' src='${coverurl[$db]}/${query_result[13]}'></td><td style='vertical-align:top;'>$(strip_html ${query_result[12]})</td></tr></table>"
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yad_result=$(echo "$info"|yad --width $x_size --height $y_size --html --button='gtk-cancel:1' --button='Download!filesave!Download this publication:0' --filename=/dev/stdin 2>/dev/null)
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yad_return=$?
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if [[ $yad_return -eq 0 ]]; then
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info="<table><tr><td><b>Author</b>:</td><td colspan='5'>${query_result[0]}</td></tr><tr><td><b>Title</b>:</td><td colspan='5'>${query_result[1]}</td></tr><tr><td><b>Volume</b>:</td><td>${query_result[2]}</td><td><b>Series</b>:</td><td>${query_result[3]}</td><td><b>Edition</b>:</td><td>${query_result[4]}</td></tr><tr><td><b>Year</b>:</td><td>${query_result[5]}</td><td><b>Publisher</b>:</td><td>${query_result[6]}</td></tr><tr><td><b>Language</b>:</td><td>${query_result[7]}</td><td><b>Size</b>:</td><td>${query_result[8]}</td><td><b>Type</b>:</td><td>${query_result[9]}</td></tr><tr><td><b>OLID</b>:</td><td>${query_result[10]}</td><td><b>ISBN</b>:</td><td>${query_result[11]}</td><td><b>MD5</b>:</td><td>${md5^^}</td></tr></table><span style='font-size:x-small;'><pre>${filename}</pre></span><hr><table><tr><td style='width:25%;'><img style='width:95%;' src='${coverurl[$db]}/${query_result[13]}'></td><td style='vertical-align:top;'>$(strip_html "${query_result[12]}")</td></tr></table>"
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if yad_result=$(echo "$info"|yad --width $x_size --height $y_size --html --button='gtk-cancel:1' --button='Download!filesave!Download this publication:0' --filename=/dev/stdin 2>/dev/null); then
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download "${db}" "${md5}"
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fi
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fi
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@ -1083,9 +1057,11 @@ list_dialog () {
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|||
clear
|
||||
if [[ -n $dialog_result ]]; then
|
||||
if [[ $show_preview -gt 0 ]]; then
|
||||
preview "$db" "$dialog_result"
|
||||
# shellcheck disable=SC2086
|
||||
preview "$db" $dialog_result
|
||||
else
|
||||
download "$db" "$dialog_result"
|
||||
# shellcheck disable=SC2086
|
||||
download "$db" $dialog_result
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
|
|
@ -1103,9 +1079,11 @@ list_whiptail () {
|
|||
clear
|
||||
if [[ -n $whiptail_result ]]; then
|
||||
if [[ $show_preview -gt 0 ]]; then
|
||||
preview "$db" "$whiptail_result"
|
||||
# shellcheck disable=SC2086
|
||||
preview "$db" $whiptail_result
|
||||
else
|
||||
download "$db" "$whiptail_result"
|
||||
# shellcheck disable=SC2086
|
||||
download "$db" $whiptail_result
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
|
|
@ -1115,12 +1093,15 @@ list_yad () {
|
|||
show_preview="$1"
|
||||
db="${programs[$program]}"
|
||||
if [[ ${#query_result[@]} -gt 0 ]]; then
|
||||
yad_result=$(yad --width $x_size --height $y_size --separator=" " --title "$program :: ${window_title}" --text "${list_heading}" --list --checklist --dclick-action='bash -c "libgen_preview '$db' %s" &' ${yad_columns[$db]} -- "${query_result[@]}" 2>/dev/null)
|
||||
# shellcheck disable=SC2086
|
||||
yad_result=$(yad --width $x_size --height $y_size --separator=" " --title "$program :: ${window_title}" --text "${list_heading}" --list --checklist --dclick-action='bash -c "libgen_preview '"$db"' %s" &' ${yad_columns[$db]} -- "${query_result[@]}" 2>/dev/null)
|
||||
if [[ -n $yad_result ]]; then
|
||||
if [[ $show_preview -gt 0 ]]; then
|
||||
preview "$db" "$yad_result"
|
||||
# shellcheck disable=SC2086
|
||||
preview "$db" $yad_result
|
||||
else
|
||||
download "$db" "$yad_result"
|
||||
# shellcheck disable=SC2086
|
||||
download "$db" $yad_result
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
|
|
@ -1133,12 +1114,15 @@ list_zenity () {
|
|||
show_preview="$1"
|
||||
db="${programs[$program]}"
|
||||
if [[ ${#query_result[@]} -gt 0 ]]; then
|
||||
# shellcheck disable=SC2086
|
||||
zenity_result=$(zenity --width $x_size --height $y_size --separator=" " --title "$program :: ${window_title}" --text "${list_heading}" --list --checklist ${zenity_columns[$db]} "${query_result[@]}" 2>/dev/null)
|
||||
if [[ -n $zenity_result ]];then
|
||||
if [[ $show_preview -gt 0 ]]; then
|
||||
preview "$db" "$zenity_result"
|
||||
# shellcheck disable=SC2086
|
||||
preview "$db" $zenity_result
|
||||
else
|
||||
download "$db" "$zenity_result"
|
||||
# shellcheck disable=SC2086
|
||||
download "$db" $zenity_result
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
|
|
@ -1148,15 +1132,16 @@ list_zenity () {
|
|||
# SQL
|
||||
|
||||
get_fields () {
|
||||
# shellcheck disable=SC2086
|
||||
db="${programs[$program]}"
|
||||
[[ -z "$show_fields" ]] && show_fields="${pager_columns[$db]}"
|
||||
IFS=',' read -ra fields <<< "$show_fields"
|
||||
result=""
|
||||
|
||||
for field in ${fields[@]}; do
|
||||
for field in "${fields[@]}"; do
|
||||
[[ ! "${current_fields[*],,}" =~ ${field,,} ]] && exit_with_error "no such field: $field"
|
||||
table="m"
|
||||
for category in ${!attribute_columns[@]}; do
|
||||
for category in "${!attribute_columns[@]}"; do
|
||||
if [[ "${field,,}" =~ ${attribute_columns[$category],,} ]]; then
|
||||
table="${category:0:1}"
|
||||
break
|
||||
|
|
@ -1282,29 +1267,6 @@ prepare_sql () {
|
|||
|
||||
# UTILITY FUNCTIONS
|
||||
|
||||
url_available () {
|
||||
url="$1"
|
||||
dl_tool=$(find_tool "$dl_tools")
|
||||
|
||||
case "$dl_tool" in
|
||||
curl)
|
||||
curl --output /dev/null --silent --fail -r 0-0 "$url"
|
||||
;;
|
||||
wget)
|
||||
wget -q --spider "$url"
|
||||
;;
|
||||
*)
|
||||
exit_with_error "unknown download tool ${dl_tool}"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
add_cron_job () {
|
||||
job="$*"
|
||||
|
||||
(crontab -l ; echo "*/1 * * * * $job") 2>/dev/null | sort | uniq | crontab -
|
||||
}
|
||||
|
||||
get_db_for_md5 () {
|
||||
md5="$1"
|
||||
|
||||
|
|
@ -1325,7 +1287,7 @@ get_torrent_filename () {
|
|||
md5="$2"
|
||||
absolute="$3"
|
||||
|
||||
echo -n "${absolute:+$target_directory/${torrent_directory:+$torrent_directory/}}${torrentprefix[$db]}_$(get_torrent ${db} ${md5}).torrent"
|
||||
echo -n "${absolute:+$target_directory/${torrent_directory:+$torrent_directory/}}${torrentprefix[$db]}_$(get_torrent "${db}" "${md5}").torrent"
|
||||
}
|
||||
|
||||
create_symlinks () {
|
||||
|
|
@ -1340,21 +1302,6 @@ create_symlinks () {
|
|||
exit
|
||||
}
|
||||
|
||||
# leave <br> and <pre> to enable some simple formatting tasks
|
||||
strip_html () {
|
||||
#echo "$*"|sed -e 's/<br>/\n/g;s/<[^>]*>//g;s/\n/<br>/g'
|
||||
echo "$*"
|
||||
}
|
||||
|
||||
is_true () {
|
||||
val="${1,,}"
|
||||
if [[ "${val:0:1}" == "y" || "$val" -gt 0 ]]; then
|
||||
true
|
||||
else
|
||||
false
|
||||
fi
|
||||
}
|
||||
|
||||
check_settings () {
|
||||
# does target directory exist?
|
||||
[[ ! -d "$target_directory" ]] && exit_with_error "target_directory $target_directory does not exist";
|
||||
|
|
@ -1363,7 +1310,7 @@ check_settings () {
|
|||
# when defined, does torrent helper script exist?
|
||||
if [[ -n "$use_torrent" ]]; then
|
||||
if [[ -z "$torrent_tools" ]]; then
|
||||
exit_with_error '-u needs torrent helper script, see $torrent_tools'
|
||||
exit_with_error "-u needs torrent helper script, see \$torrent_tools"
|
||||
elif ! find_tool "$torrent_tools" >/dev/null; then
|
||||
exit_with_error "-u: torrent helper script ($torrent_tools) not found"
|
||||
fi
|
||||
|
|
@ -1374,33 +1321,16 @@ check_settings () {
|
|||
fi
|
||||
}
|
||||
|
||||
# echo error message to stdout and terminate main
|
||||
exit_with_error () {
|
||||
echo -e "$(basename $0): $*" >&2
|
||||
|
||||
kill -s TERM $TOP_PID
|
||||
}
|
||||
|
||||
trap_error () {
|
||||
if [[ $ui_tool == "whiptail" ]]; then
|
||||
reset
|
||||
fi
|
||||
|
||||
exit 1
|
||||
}
|
||||
|
||||
trap_clean () {
|
||||
if [[ $ui_tool == "whiptail" ]]; then
|
||||
reset
|
||||
fi
|
||||
|
||||
exit
|
||||
cleanup () {
|
||||
if [[ $ui_tool == "whiptail" ]]; then
|
||||
reset
|
||||
fi
|
||||
}
|
||||
|
||||
# HELP
|
||||
|
||||
help () {
|
||||
echo $(basename $(readlink -f $0)) "version $version"
|
||||
echo "$(basename "$(readlink -f "$0")")" "version $version"
|
||||
cat <<- 'EOF'
|
||||
|
||||
Use: books OPTIONS [like] [<PATTERN>]
|
||||
|
|
@ -1433,8 +1363,9 @@ help () {
|
|||
SEARCH BY FIELD:
|
||||
|
||||
This is the default search mode. If no field options are given this searches
|
||||
the Title field for the PATTERN. Capital options (-A, -T, etc) for exact match,
|
||||
lower-case (-a, -t, etc) for pattern match.
|
||||
the Title field for the PATTERN. Search uses partial matching by default, use
|
||||
-X for matching words starting with PATTERN, -XX to match words which end with
|
||||
PATTERN and -XXX for exact matching.
|
||||
|
||||
FULLTEXT SEARCH (-f):
|
||||
|
||||
|
|
@ -1460,11 +1391,7 @@ help () {
|
|||
EOF
|
||||
|
||||
for key in "${!schema[@]}"; do
|
||||
if [ "$key" == "m" ]; then
|
||||
echo " -${key} search on ${schema[$key]^^}"
|
||||
else
|
||||
echo " -${key}, -${key^^} search on ${schema[$key]^^}"
|
||||
fi
|
||||
echo " -${key} search on ${schema[$key]^^}"
|
||||
done
|
||||
|
||||
cat <<- 'EOF'
|
||||
|
|
@ -1474,6 +1401,10 @@ help () {
|
|||
when no other options are given this will perform a pattern match search
|
||||
for the given words over the Author and Title fields.
|
||||
|
||||
-X search for fields starting with PATTERN
|
||||
-XX search for fields ending with PATTERN
|
||||
-XXX search for fields exacly matching PATTERN
|
||||
|
||||
-w preview publication info before downloading (cover preview only in GUI tools)
|
||||
select one or more publication to preview and press enter/click OK.
|
||||
|
||||
|
|
@ -1538,13 +1469,13 @@ help () {
|
|||
Do an exact search on the Title field for 'The Odyssey' and the Author field for 'Homer', showing
|
||||
the result in the terminal
|
||||
|
||||
$ books -T 'The Odyssey' -A 'Homer'
|
||||
$ books -X -t 'The Odyssey' -a 'Homer'
|
||||
|
||||
|
||||
Do the same search as above, showing the results in a list on the terminal with checkboxes to select
|
||||
one or more publications for download
|
||||
|
||||
$ nbook -T 'The Odyssey' -A 'Homer'
|
||||
$ nbook -X -t 'The Odyssey' -a 'Homer'
|
||||
|
||||
|
||||
A case-insensitive pattern search using an X11-based interface; use bittorrent (-u) when downloading files
|
||||
|
|
@ -1578,9 +1509,9 @@ help () {
|
|||
$ books -M 51b4ee7bc7eeb6ed7f164830d5d904ae -F author,title,extension
|
||||
|
||||
|
||||
Download a publication using its MD5 (-J MD5), using bittorrent (-u) to download
|
||||
Download a publication using its MD5 (-J MD5), using IPFS (-I y) to download
|
||||
|
||||
$ books -u y -J 51b4ee7bc7eeb6ed7f164830d5d904ae
|
||||
$ books -I y -J 51b4ee7bc7eeb6ed7f164830d5d904ae
|
||||
|
||||
EOF
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue