Add scripts collection

Add a couple of utility scripts.

.local/bin/filterHistory

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+#!/bin/bash
+
+[ $# -eq 1 ] || { echo "Specify history file" >&2; exit 1; }
+[ "$(stat -c '%a' "$1")" = "600" ] || { echo "File does not look like a history file" >&2; exit 1; }
+
+declare -a COMMANDS
+COMMANDS=('ls' \
+          'll' \
+          'l' \
+		  ':q' \
+          ':Q' \
+          'exit' \
+          'cd' \
+          'cd ~' \
+          'cd .' \
+          'cd ..' \
+          'gs' \
+          'git status' \
+          'gd' \
+          'gpush' \
+          'git pull' \
+          'cmake .. && make' \
+          'exec zsh' \
+          'python3' \
+          'clear' \
+)
+
+printf '%s\n' "${COMMANDS[@]}" | column
+echo "Are you a 100% sure you want to delete these commands from $1? (Type out yes)"
+read yn
+[ "$yn" = "yes" ] || exit 1
+
+for c in "${COMMANDS[@]}"; do
+	c="$(echo "$c" | sed 's/\./\\./g; s/\//\\\//g')"
+	sed -Ei '/^: [0-9]+:[0-9]+;'"$c"'$/d' "$1"
+	echo "$c deleted"
+done

.local/bin/raw2preview

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+#!/bin/sh
+
+errorAndExit () {
+    printf "\033[1;31m$1\033[0m" >&2
+    exit $2
+}
+
+extractRAW () {
+	if [ -r "$1" ]; then
+		if [ "$1" != "${1%CR2}" ] && [ ! -f "${1%CR2}JPG" ]; then
+			exiftool "$1" -PreviewImage -b > "${1%CR2}JPG"
+			echo "${1%CR2}JPG"
+		else
+			printf "\033[1;31mPreview for $1 exists already.\n\033[0m" >&2
+		fi
+	fi
+}
+
+if [ $# -ne 1 ] || [ ! -r "$1" ]; then
+	errorAndExit "Please specify one readable file.\n" 1
+fi
+
+if [ "$(file -b --mime-type "$1")" = "image/x-canon-cr2" ]; then
+	extractRAW "$1"
+elif [ "$(head -n 1 "$1")" = "#Geeqie collection" ]; then
+	while read line; do
+		if echo "$line" | grep -qv "^#"; then
+			line="${line#\"}"
+			extractRAW "${line%\"}"
+		fi
+	done < "$1" # <"$(sed -r '/#/d;s/(^"|"$)//g' "$1")"
+else
+	errorAndExit "Please specify either a CR2 or a geeqie collection\n" 1
+fi

.local/bin/wifi-mute

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+#!/bin/bash
+
+## This runs as a crontab every 5minutes ('*/5 *   * * * /usr/local/bin/wifi-mute')
+
+if [[ "$(nmcli -t -f name con show --active)" =~ eduroam* ]]; then # iwgetid -r
+    # TODO: mute only speaker, not headphones
+    amixer set Master mute
+fi
+

.local/bin/zoom-links

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+#!/bin/sh
+
+## Author:	druckdev
+## Created	2020-06-05
+##
+## A script that modifies Zoom links for the use in browsers, opens it then in a private chromium
+##   window and puts the password into the clipboard. If no argument is given the link is taken out
+##   of the clipboard.
+## The reason behind the choice of Chromium is that my Firefox does weird things when used in
+##   scripts and that I wanted to run Zoom separately from my normal Firefox instances.
+##   (although this should be solvable by separate Firefox profiles.)
+
+# Check if necessary commands exist
+command -v chromium-browser >/dev/null 2>&1 || return 1
+command -v xclip >/dev/null 2>&1 || return 1
+
+# If no argument is given, set the clipboard as argument
+set "$(xclip -selection c -o)"
+# Check for right format
+echo "$1" | grep -Eq "^https://tu-berlin.Zoom.us/(j|wc/join)/[0-9]*\?pwd=.+" || return 1
+
+# Delete password part and convert /j/ to /wc/join/
+link="$(echo "${1%pwd=*}" | sed 's_/j/_/wc/join/_')"
+# Open link in private browser
+chromium-browser --incognito --new-window "$link" >/dev/null 2>&1 &
+# Put password in clipboard
+echo -n "${1##*pwd=}" | xclip -selection c