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