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https://github.com/arkenfox/user.js.git
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Move prefsCleaner.sh closer to POSIX
and make note of things that don't follow POSIX.
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Celestial Nebula
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179
prefsCleaner.sh
179
prefsCleaner.sh
@ -1,114 +1,141 @@
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#!/usr/bin/env bash
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#!/usr/bin/env sh
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## prefs.js cleaner for Linux/Mac
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## prefs.js cleaner for *nix (mostly POSIX) like systems
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## author: @claustromaniac
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## version: 1.4
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## version: 1.5
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## special thanks to @overdodactyl and @earthlng for a few snippets that I stol..*cough* borrowed from the updater.sh
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## Special thanks to @overdodactyl and @earthlng for a few snippets that
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## I stol..*cough* borrowed from the updater.sh
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currdir=$(pwd)
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## get the full path of this script (readlink for Linux, greadlink for Mac with coreutils installed)
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sfp=$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null)
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# Get the full path of this script
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# readlink for systems that have it,
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# greadlink for Mac with coreutils installed.
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# Note: If you source (.) this script, "$0" will
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# show the invoking shell instead of the path.
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# readlink/greadlink is not POSIX.
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ffpdir=$(readlink -f "$0" 2>/dev/null || greadlink -f "$0" 2>/dev/null)
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## fallback for Macs without coreutils
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if [ -z "$sfp" ]; then sfp=${BASH_SOURCE[0]}; fi
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# Fallback for Macs without coreutils
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if [ -z "${ffpdir}" ]; then ffpdir="$0"; fi
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## change directory to the Firefox profile directory
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cd "$(dirname "${sfp}")"
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# Change directory to the Firefox profile directory
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cd "$(dirname "${ffpdir}")" || exit 1
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fQuit() {
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## change directory back to the original working directory
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cd "${currdir}"
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[ "$1" -eq 0 ] && echo -e "\n$2" || echo -e "\n$2" >&2
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exit $1
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# Change directory back to the original working directory.
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cd "${currdir}" || exit 1
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[ "$1" -eq 0 ] && printf "%s\n" "$2" || printf "%s\n" "$2" >&2
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exit "$1"
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}
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fUsage() {
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echo -e "\nUsage: $0 [-s]"
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echo -e "
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printf "
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Usage: %s [-s]
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Optional Arguments:
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-s Start immediately"
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-s Start immediately\n" "$0"
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}
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fUsage_Help() {
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printf "%s\n\n" "
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This script creates a backup of your prefs.js file before doing anything.
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It should be safe, but you can follow these steps if something goes wrong:
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1. Make sure Firefox is closed.
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2. Delete prefs.js in your profile folder.
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3. Delete Invalidprefs.js if you have one in the same folder.
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4. Rename or copy your latest backup to 'prefs.js'.
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5. Run Firefox and see if you notice anything wrong with it.
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6. If you do notice something wrong, especially with your extensions,
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and/or with the UI, go to about:support, and restart Firefox with
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add-ons disabled. Then, restart it again normally, and see if the
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problems were solved.
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If you are able to identify the cause of your issues, please bring it up
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on the arkenfox user.js GitHub repository:
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https://github.com/arkenfox/user.js"
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}
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# There are many ways to see if firefox is running or not, some more
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# reliable than others. This isn't elegant and might not be
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# future-proof but should at least be compatible with any environment.
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fFF_check() {
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# there are many ways to see if firefox is running or not, some more reliable than others
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# this isn't elegant and might not be future-proof but should at least be compatible with any environment
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while [ -e lock ]; do
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echo -e "\nThis Firefox profile seems to be in use. Close Firefox and try again.\n" >&2
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read -r -p "Press any key to continue."
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while [ -e cookies.sqlite-wal ] || \
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[ -e favicons.sqlite-wal ] || \
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[ -e lock ] || \
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[ -e places.sqlite-wal ]
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do
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printf "\nThis Firefox profile seems to be in use. Close Firefox and try again.\n" >&2
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printf "Press Enter to continue."
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read -r
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done
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}
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fClean() {
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# the magic happens here
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prefs="@@"
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prefexp="user_pref[ ]*\([ ]*[\"']([^\"']+)[\"'][ ]*,"
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while read -r line; do
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if [[ "$line" =~ $prefexp && $prefs != *"@@${BASH_REMATCH[1]}@@"* ]]; then
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prefs="${prefs}${BASH_REMATCH[1]}@@"
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fi
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done <<< "$(grep -E "$prefexp" user.js)"
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# The 2nd "grep" is to get the pref surrounded by <"> (2nd <">
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# is followed by <,> so it matches the pref name part). The
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# reason we do this is so when we run against "$bakfile" we
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# won't hit other prefs modified by the user with the same base.
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# ie:
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# accessibility.typeaheadfind = accessibility.typeaheadfind.flashBar
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# "accessibility.typeaheadfind" != accessibility.typeaheadfind.flashBar
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# Note: "grep -o" is not POSIX
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trackedprefs="$(grep -oE "user_pref[ ]*\([ ]*[\"'][^\"']+[\"'][ ]*,.*\);" user.js | grep -o '".*",')"
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while IFS='' read -r line || [[ -n "$line" ]]; do
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if [[ "$line" =~ ^$prefexp ]]; then
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if [[ $prefs != *"@@${BASH_REMATCH[1]}@@"* ]]; then
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echo "$line"
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fi
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else
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echo "$line"
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fi
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done < "$1" > prefs.js
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# "$1" is "$bakfile"
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grep -vF "$trackedprefs" "$1" > prefs.js
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}
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fStart() {
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if [ ! -e user.js ]; then
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if [ ! -e user.js ]
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then
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fQuit 1 "user.js not found in the current directory."
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elif [ ! -e prefs.js ]; then
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elif [ ! -e prefs.js ]
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then
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fQuit 1 "prefs.js not found in the current directory."
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fi
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fFF_check
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bakfile="prefs.js.backup.$(date +"%Y-%m-%d_%H%M")"
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mv prefs.js "${bakfile}" || fQuit 1 "Operation aborted.\nReason: Could not create backup file $bakfile"
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echo -e "\nprefs.js backed up: $bakfile"
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echo "Cleaning prefs.js..."
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bakfile="prefs.js.$(date +"%Y-%m-%d_%H%M")"
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mv prefs.js "${bakfile}" || fQuit 1 "Operation aborted.
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Reason: Could not create backup file: $bakfile"
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printf "prefs.js backed up as: %s\n" "$bakfile"
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printf "Cleaning prefs.js...\n"
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fClean "$bakfile"
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fQuit 0 "All done!"
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}
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echo -e "\n\n"
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echo " ╔══════════════════════════╗"
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echo " ║ prefs.js cleaner ║"
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echo " ║ by claustromaniac ║"
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echo " ║ v1.4 ║"
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echo " ╚══════════════════════════╝"
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echo -e "\nThis script should be run from your Firefox profile directory.\n"
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echo "It will remove any entries from prefs.js that also exist in user.js."
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echo "This will allow inactive preferences to be reset to their default values."
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echo -e "\nThis Firefox profile shouldn't be in use during the process.\n"
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printf "
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[ "$1" == '-s' ] && fStart
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select option in Start Help Exit; do
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case $option in
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Start)
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fStart
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;;
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Help)
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fUsage
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echo -e "\nThis script creates a backup of your prefs.js file before doing anything."
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echo -e "It should be safe, but you can follow these steps if something goes wrong:\n"
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echo "1. Make sure Firefox is closed."
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echo "2. Delete prefs.js in your profile folder."
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echo "3. Delete Invalidprefs.js if you have one in the same folder."
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echo "4. Rename or copy your latest backup to prefs.js."
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echo "5. Run Firefox and see if you notice anything wrong with it."
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echo "6. If you do notice something wrong, especially with your extensions, and/or with the UI, go to about:support, and restart Firefox with add-ons disabled. Then, restart it again normally, and see if the problems were solved."
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echo -e "If you are able to identify the cause of your issues, please bring it up on the arkenfox user.js GitHub repository.\n"
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;;
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Exit)
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fQuit 0
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;;
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╔══════════════════════════╗
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║ prefs.js cleaner ║
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║ by claustromaniac ║
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║ v1.5 ║
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╚══════════════════════════╝
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This script should be run from your Firefox profile directory.
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It will remove any entries from prefs.js that also exist in user.js.
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This will allow inactive preferences to be reset to their default values.
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This Firefox profile shouldn't be in use during the process.\n\n"
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[ "$1" = '-s' ] && fStart
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while printf "1) Start\n2) Help\n3) Exit\n#? "; read -r option
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do
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case "$option" in
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1 | start | Start)
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fStart
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;;
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3 | exit | Exit)
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fQuit 0
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;;
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*)
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fUsage
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fUsage_Help
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;;
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esac
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done
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