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187
Linux/bin/bashfunctions
Executable file
187
Linux/bin/bashfunctions
Executable file
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#!/bin/bash -m
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# bashfunctions is run via source (or ".").
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# It defines a bunch of variables and functions for the calling script.
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# It also does a few things only when sourced by scrubhands.
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BASHFUNCTIONSVER=1.0.0.1
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PROG=`basename ${0}`
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TOOLS=bin
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DOWN=down
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TEXTS=etc
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DOC=doc
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UP=up
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MAILDIR=mailpull
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COMMANDSDIR=targetcommands
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if [ "$PROG" = "scrubhands" ] && [ "`echo \"$*\" | grep -- -G`" ] ; then
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TESTGETOPDATA=yes
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TOP=/tmp
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fi
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# Set TOP if not set, to either /current link if there or /tmp
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if [ ! "$TOP" ] ; then
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TOP=/current
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[ -L /current ] || TOP=/tmp
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fi
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OS=`uname -s`
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if [ "$OS" = "Linux" ]; then
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MINUSN=-n
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else
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MINUSN=""
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fi
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OSVERSION=`uname -r`
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[ "$TOP" ] || TOP=/home/black/tmp
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[ "$PUBLICETHER" ] || PUBLICETHER=eth0
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[ "$PRIVATEETHER" ] || PRIVATEETHER=eth1
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[ "$DATE" ] || DATE=.
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histclean() {
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HISTCLEAN=""
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TMPHIST=/tmp/.h.$$
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DOFILES="$* `ls /.*history /*/.*history /*/*/.*history 2>/dev/null`"
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for F in $DOFILES ; do
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[ -f "$F" ] || continue
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egrep -q "shutdown|reboot|halt|init 0" $F || continue
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egrep -v "shutdown|reboot|halt|init 0" $F > $TMPHIST
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touch -r $F $TMPHIST
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cat $TMPHIST > $F
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touch -r $TMPHIST $F
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HISTCLEAN="$HISTCLEAN $F"
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done
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[ "$HISTCLEAN" ] && notered "Cleaned #shutdown|reboot|halt|init 0# lines from $HISTCLEAN"
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rm -f $TMPHIST
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unset TMPHIST HISTCLEAN DOFILES
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}
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fixpath() {
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# Take any number of PATHs or PATH variables as input,
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# Return/echo one in that order with no duplicates (via echo, so use
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# backticks or other redirection to take the return value and use it).
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# Spaces in any individual PATH entry will be lost, do not do that.
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# However, along the way, we:
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# Remove all trailing slashes
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# Make all slashes single
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# Skip . and ./ and any that start with ../
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export NEWPATH=
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unset DONEFIRST
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echo -n PATH=
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# echo $* | sed "s,//*,/,g" | \ # Make all slashes single
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# sed "s/PATH=//g" | \ # Get rid of PATH= if there
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# tr ":" " " | \ # Change all : to a space
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# tr " " "\n" | \ # Put one path per line
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# while read P # Define P once per path
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echo $* | sed "s,//*,/,g" | sed "s/PATH=//g" | tr ":" " " | tr " " "\n" | while read P ; do
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# Remove all trailing slashes
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P=`echo $P | sed "s,/*$,,g"`
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echo :$NEWPATH: | grep -q ":$P:" && continue
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# Skip . and ./ and any that start with ../
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[ "$P" = "." -o "$P" = "./" ] && continue
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[ "$P" = ".." -o "${P:0:3}" = "../" ] && continue
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NEWPATH=$NEWPATH:$P
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[ "$DONEFIRST" ] && echo -n :
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echo -n $P
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DONEFIRST=done
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done
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echo
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}
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ColorsOff() {
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unset COLOR_SUCCESS
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unset COLOR_FAILURE
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unset COLOR_WARNING
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unset COLOR_NORMAL
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unset COLOR_NOTE
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unset SETCOLOR_SUCCESS
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unset SETCOLOR_FAILURE
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unset SETCOLOR_WARNING
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unset SETCOLOR_NORMAL
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unset SETCOLOR_NOTE
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}
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PreserveFile() {
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# Save off $1 if it exists as $1.duplicate.TIMESTAMP.
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# If $2 given, save at most that many dupes.
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[ "$1" ] || return
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[ -e $1 ] || return
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MYDATE=`date -u +%Y%m%d%H%M%S`
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# Make sure we only have digits in KEEP
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MYKEEP=`echo $2 | sed "s/[^0-9]//g"`
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if [ "$MYKEEP" ] ; then
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MYCOUNT=1
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ls -1t $1.DUPLICATE* |
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while read name ; do
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[ $((MYCOUNT++)) -ge $MYKEEP ] || continue
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rm -f $name
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done
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fi
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mv $1 $1.DUPLICATE.$MYDATE
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unset MYDATE MYKEEP MYCOUNT
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}
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note() {
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unset N
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if [ "$1" = "-n" ] ; then
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N=$1
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shift
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fi
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echo -e $N "$COLOR_NOTE${*}$COLOR_NORMAL"
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}
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notered() {
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unset N EXIT
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[ "$1" = "exit" ] && EXIT=1 && shift
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if [ "$1" = "-n" ] ; then
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N=$1
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shift
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fi
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echo -e $N "$COLOR_FAILURE${*}$COLOR_NORMAL"
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[ "$EXIT" ] && exit
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}
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usage() {
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unset EXIT
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[ "$1" = "exit" ] && EXIT=1 && shift
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if [ "$1" = "-h" -a "$usagetext" ] ; then
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shift
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echo -e "$usagetext"
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fi
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# We want -v output to be just two digits, so scrubver is #.#
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# and suitever can have whole #.#.#.# in it.
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if [ "$1" = "-v" -o "$1" = "-h" ] ; then
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if [ ! "$VER" -a "$SCRUBVER" ] ; then
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echo "$PROG version $SCRUBVER"
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elif [ "$VER" ] ; then
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echo "$PROG version $VER"
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else
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echo "$PROG -- unknown version number"
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fi
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shift
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fi
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ERRSTR="${*}"
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if [ "$ERRSTR" ] ; then
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notered "\a${ERRSTR}"
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fi
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[ "$EXIT" ] && exit
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} # end usage
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COLOR_SUCCESS="\\033[1;32m"
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COLOR_FAILURE="\\033[1;31m"
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COLOR_WARNING="\\033[1;33m"
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COLOR_NORMAL="\\033[0;39m"
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COLOR_NOTE="\\033[0;34m"
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SETCOLOR_SUCCESS="echo -en $COLOR_SUCCESS"
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SETCOLOR_FAILURE="echo -en $COLOR_FAILURE"
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SETCOLOR_WARNING="echo -en $COLOR_WARNING"
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SETCOLOR_NORMAL="echo -en $COLOR_NORMAL"
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SETCOLOR_NOTE="echo -en $COLOR_NOTE"
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