103 lines
2.7 KiB
Bash
Executable File
103 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
# Simple CLI for shell-color-scripts
|
|
DIR_COLORSCRIPTS="$HOME/.local/share/asciiart"
|
|
fmt_help=" %-20s\t%-54s\n"
|
|
list_colorscripts="$(/usr/bin/ls "${DIR_COLORSCRIPTS}" | cut -d ' ' -f 1 | nl)"
|
|
length_colorscripts="$(/usr/bin/ls "${DIR_COLORSCRIPTS}" | wc -l)"
|
|
|
|
function _help() {
|
|
echo "Description: A collection of terminal color scripts."
|
|
echo ""
|
|
echo "Usage: colorscript [OPTION] [SCRIPT NAME/INDEX]"
|
|
printf "${fmt_help}" \
|
|
"-h, --help, help" "Print this help." \
|
|
"-l, --list, list" "List all installed color scripts." \
|
|
"-r, --random, random" "Run a random color script." \
|
|
"-e, --exec, exec" "Run a specified color script by SCRIPT NAME or INDEX."
|
|
}
|
|
|
|
function _list() {
|
|
echo "There are "$(ls "${DIR_COLORSCRIPTS}" | wc -l)" installed color scripts:"
|
|
echo "${list_colorscripts}"
|
|
}
|
|
|
|
function _random() {
|
|
declare -i random_index=$((RANDOM % length_colorscripts + 1))
|
|
[[ $random_index -eq 0 ]] && random_index=1
|
|
|
|
random_colorscript="$(echo "${list_colorscripts}" | sed -n ${random_index}p \
|
|
| tr -d ' ' | tr '\t' ' ' | cut -d ' ' -f 2)"
|
|
exec "${DIR_COLORSCRIPTS}/${random_colorscript}"
|
|
}
|
|
|
|
function ifhascolorscipt() {
|
|
[[ -e "${DIR_COLORSCRIPTS}/$1" ]] && echo "Has this color script."
|
|
}
|
|
|
|
function _run_by_name() {
|
|
if [[ "$1" == "random" ]]; then
|
|
_random
|
|
elif [[ -n "$(ifhascolorscipt "$1")" ]]; then
|
|
exec "${DIR_COLORSCRIPTS}/$1"
|
|
else
|
|
echo "Input error, Don't have color script named $1."
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
function _run_by_index() {
|
|
if [[ "$1" -gt 0 && "$1" -lt "${length_colorscripts}" ]]; then
|
|
|
|
colorscript="$(echo "${list_colorscripts}" | sed -n ${1}p \
|
|
| tr -d ' ' | tr '\t' ' ' | cut -d ' ' -f 2)"
|
|
exec "${DIR_COLORSCRIPTS}/${colorscript}"
|
|
else
|
|
echo "Input error, Don't have color script indexed $1."
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
function _run_colorscript() {
|
|
if [[ "$1" =~ ^[0-9]+$ ]]; then
|
|
_run_by_index "$1"
|
|
else
|
|
_run_by_name "$1"
|
|
fi
|
|
}
|
|
|
|
case "$#" in
|
|
0)
|
|
_help
|
|
;;
|
|
1)
|
|
case "$1" in
|
|
-h | --help | help)
|
|
_help
|
|
;;
|
|
-l | --list | list)
|
|
_list
|
|
;;
|
|
-r | --random | random)
|
|
_random
|
|
;;
|
|
*)
|
|
echo "Input error."
|
|
exit 1
|
|
;;
|
|
esac
|
|
;;
|
|
2)
|
|
if [[ "$1" == "-e" || "$1" == "--exec" || "$1" == "exec" ]]; then
|
|
_run_colorscript "$2"
|
|
else
|
|
echo "Input error."
|
|
exit 1
|
|
fi
|
|
;;
|
|
*)
|
|
echo "Input error, too many arguments."
|
|
exit 1
|
|
;;
|
|
esac
|