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jnave
128
whiptail-example.sh
Executable file
128
whiptail-example.sh
Executable file
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#!/usr/bin/env bash
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# For more info on 'whiptail' see:
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#https://en.wikibooks.org/wiki/Bash_Shell_Scripting/Whiptail
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# These exports are the only way to specify colors with whiptail.
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# See this thread for more info:
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# https://askubuntu.com/questions/776831/whiptail-change-background-color-dynamically-from-magenta/781062
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export NEWT_COLORS="
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root=,blue
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window=,black
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shadow=,blue
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border=blue,black
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title=blue,black
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textbox=blue,black
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radiolist=black,black
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label=black,blue
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checkbox=black,blue
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compactbutton=black,blue
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button=black,red"
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## The following functions are defined here for convenience.
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## All these functions are used in each of the five window functions.
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max() {
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echo -e "$1\n$2" | sort -n | tail -1
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}
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getbiggestword() {
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echo "$@" | sed "s/ /\n/g" | wc -L
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}
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replicate() {
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local n="$1"
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local x="$2"
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local str
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for _ in $(seq 1 "$n"); do
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str="$str$x"
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done
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echo "$str"
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}
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programchoices() {
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choices=()
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local maxlen
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maxlen="$(getbiggestword "${!checkboxes[@]}")"
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linesize="$(max "$maxlen" 42)"
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local spacer
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spacer="$(replicate "$((linesize - maxlen))" " ")"
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for key in "${!checkboxes[@]}"; do
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# A portable way to check if a command exists in $PATH and is executable.
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# If it doesn't exist, we set the tick box to OFF.
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# If it exists, then we set the tick box to ON.
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if ! command -v "${checkboxes[$key]}" >/dev/null; then
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# $spacer length is defined in the individual window functions based
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# on the needed length to make the checkbox wide enough to fit window.
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choices+=("${key}" "${spacer}" "OFF")
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else
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choices+=("${key}" "${spacer}" "ON")
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fi
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done
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}
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selectedprograms() {
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result=$(
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# Creates the whiptail checklist. Also, we use a nifty
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# trick to swap stdout and stderr.
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whiptail --title "$title" \
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--checklist "$text" 22 "$((linesize + 16))" 12 \
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"${choices[@]}" \
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3>&2 2>&1 1>&3
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)
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}
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exitorinstall() {
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local exitstatus="$?"
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# Check the exit status, if 0 we will install the selected
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# packages. A command which exits with zero (0) has succeeded.
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# A non-zero (1-255) exit status indicates failure.
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if [ "$exitstatus" = 0 ]; then
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# Take the results and remove the "'s and add new lines.
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# Otherwise, pacman is not going to like how we feed it.
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programs=$(echo "$result" | sed 's/" /\n/g' | sed 's/"//g')
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echo "$programs"
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paru --needed --ask 4 -Syu "$programs" ||
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echo "Failed to install required packages."
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else
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echo "User selected Cancel."
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fi
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}
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install() {
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local title="${1}"
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local text="${2}"
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declare -A checkboxes
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# Loop through all the remaining arguments passed to the install function
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for ((i = 3; i <= $#; i += 2)); do
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key="${!i}"
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value=""
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eval "value=\${$((i + 1))}"
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if [ -z "$value" ]; then
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value="$key"
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fi
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checkboxes["$key"]="$value"
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done
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programchoices && selectedprograms && exitorinstall
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}
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# Call the function with any number of applications as arguments. example:
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# install "Title" "Description" "Program-1-KEY" "Program-1-VALUE" "Program-2-KEY" "Program-2-VALUE" ...
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# Note an empty string "" means that the KEY and the VALUE are the same like "firefox" "firefox" instead you can write "firefox" ""
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# Browsers
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install "Web Browsers" "Select one or more web browsers to install.\nAll programs marked with '*' are already installed.\nUnselecting them will NOT uninstall them." "brave-bin" "brave" "chromium" "" "firefox" "" "google-chrome" "google-chrome-stable" "icecat-bin" "icecat" "librewolf-bin" "librewolf" "microsoft-edge-stable-bin" "microsoft-edge-stable" "opera" "" "qutebrowser" "" "ungoogled-chromium-bin" "ungoogled-chromium" "vivaldi" ""
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# Other internet
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install "Other Internet Programs" "Other Internet programs available for installation.\nAll programs marked with '*' are already installed.\nUnselecting them will NOT uninstall them." "deluge" "" "discord" "" "element-desktop" "" "filezilla" "" "geary" "" "hexchat" "" "jitsi-meet-bin" "jitsi-meet-desktop" "mailspring" "" "telegram-desktop" "telegram" "thunderbird" "" "transmission-gtk" ""
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# Multimedia
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install "Multimedia Programs" "Multimedia programs available for installation.\nAll programs marked with '*' are already installed.\nUnselecting them will NOT uninstall them." "blender" "" "deadbeef" "" "gimp" "" "inkscape" "" "kdenlive" "" "krita" "" "mpv" "" "obs-studio" "obs" "rhythmbox" "" "ristretto" "" "vlc" ""
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# Office
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install "Office Programs" "Office and productivity programs available for installation.\nAll programs marked with '*' are already installed.\nUnselecting them will NOT uninstall them." "abiword" "" "evince" "" "gnucash" "" "gnumeric" "" "libreoffice-fresh" "lowriter" "libreoffice-still" "lowriter" "scribus" "" "zathura" ""
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# Games
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install "Games" "Gaming programs available for installation.\nAll programs marked with '*' are already installed.\nUnselecting them will NOT uninstall them." "0ad" "" "gnuchess" "" "lutris" "" "neverball" "" "openarena" "" "steam" "" "supertuxkart" "" "sauerbraten" "sauerbraten-client" "teeworlds" "" "veloren-bin" "veloren" "wesnoth" "" "xonotic" "xonotic-glx"
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