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41 lines
1.8 KiB
41 lines
1.8 KiB
#! /bin/bash |
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function help () { |
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echo "Usage: $0 [OPTIONS] <file>" |
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echo "Cleans up xscreensaver graphic programs left behind after killing xscreensaver itself." |
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echo " -u specify a username for which to kill xscreensaver artifacts" |
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echo " -h display this output" |
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exit 1 |
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} |
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while getopts ':u:' opt ; do |
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case "$opt" in |
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u) |
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username="${OPTARG}" |
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userid=`id -u "$username" 2>/dev/null` || { echo "$username is not a user on this system" && exit 1 ;} |
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[ "$userid" -lt 1000 ] && echo "User $username seems to be a systemuser (uid: $userid). Please specify a normal user." && exit 1 |
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;; |
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h) help ;; |
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:) |
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echo "$0: Must supply an argument to -$OPTARG." >&2 |
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exit 1 |
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;; |
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?) |
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echo "Invalid option: -${OPTARG}." |
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exit 2 |
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;; |
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esac |
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done |
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username="${username:-$USER}" |
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homedir=`eval echo "~$username"` |
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selected_graphic_nr=`grep selected "$homedir/.xscreensaver" | cut -f 2` |
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regex='/\\n\\/' |
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graphic_process_name=`cat "$homedir/.xscreensaver" | awk "$regex && ++n == "$selected_graphic_nr" {getline; print; exit}" | cut -f 5 | cut -d ' ' -f 1 ` |
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echo "graphic_process_name: $graphic_process_name" |
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[ -z "$graphic_process_name" ] && { echo Could not find selected graphic application && exit 1; } |
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graphic_processes=`ps -U "$username" | grep "$graphic_process_name" | awk '{$1=$1};1' | cut -d ' ' -f 1 | tr '\n' ' ' ` || { echo "No screensaver graphic processes were found for $username" && exit 0; } |
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echo "graphic_processes: $graphic_processes" |
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[ -z "$graphic_processes" ] && { echo "No xscreensaver graphic processes seem to be running for $username" && exit 0; } |
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process_count=`echo $graphic_processes | wc -w` |
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kill $graphic_processes && echo "killed $process_count screensaver graphic processes for $username"
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