505 lines
17 KiB
Bash
505 lines
17 KiB
Bash
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#!/bin/bash
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##############################################################################
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# DESCRIPTION: Library of common utility functions.
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##############################################################################
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##############################################################################
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# FOR OS SENSITIVE COMMANDS
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##############################################################################
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function is_linux() {
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[ "$OSTYPE" == "msys" ] && return 1 || return 0;
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}
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function dos_to_unix() {
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( dos2unix --version 2> $VERBOSE >> $VERBOSE ) && dos2unix -q $1 && return;
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_log_fail "Install \033[1mdos2unix\033[0m for your system and ensure the command can be called in bash before proceeding. Cf. https://command-not-found.com/dos2unix, https://chocolatey.org/packages/dos2unix, etc.";
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}
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function clean_scripts_dos2unix() {
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local setup_path="$1";
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local path;
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while read path; do
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[ "$path" == "" ] && continue;
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dos_to_unix "$path";
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done <<< "$( ls -a {,$setup_path/}{,.}*.sh 2> $VERBOSE )";
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}
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function check_jq_exists() {
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( jq --version 2> $VERBOSE >> $VERBOSE ) && return 0 || return 1;
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}
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##############################################################################
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# AUXILIARY METHODS: READING CLI ARGUMENTS
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##############################################################################
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function has_arg() {
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echo "$1" | grep -Eq "(^.*[[:space:]]|^)$2([[:space:]].*$|$)" && return 0 || return 1;
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}
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function get_kwarg() {
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local value="$(echo "$1" | grep -Eq "(^.*\s|^)$2=" && echo "$1" | sed -E "s/(^.*[[:space:]]|^)$2=(\"([^\"]*)\"|\'([^\']*)\'|([^[:space:]]*)).*$/\3\4\5/g" || echo "")";
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echo $value | grep -Eq "[^[:space:]]" && echo "$value" || echo "$3";
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}
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function get_all_kwargs() {
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local arguments="$1";
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local key="$2";
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local get_one=$3;
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local default="$4"; # only used if $get_one == true
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local pattern="(^.*[[:space:]]|^)$key(\"([^\"]*)\"|\'([^\']*)\'|([^[:space:]]*)).*$";
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while ! [[ "$arguments" == "" ]]; do
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if ! ( echo "$arguments" | grep -Eq "$pattern" ); then
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arguments="";
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break;
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fi
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local value="$(echo "$arguments" | sed -E "s/$pattern/\3\4\5/g" || echo "")";
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arguments="$(echo "$arguments" | sed -E "s/$pattern/\1/g" || echo "")";
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echo "$value";
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( $get_one ) && return 0;
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done
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( $get_one ) && echo "$default";
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}
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function get_one_kwarg() {
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get_all_kwargs "$1" "$2" true "$3";
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}
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function get_one_kwarg_space() {
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local value="$( get_all_kwargs "$1" "$2[[:space:]]+" true "$3" )";
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( echo "$value" | grep -Eq "^-+" ) && value="$3";
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echo "$value";
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}
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##############################################################################
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# AUXILIARY METHODS: LOGGING AND CLI-INPUTS
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##############################################################################
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function check_answer() {
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echo "$1" | grep -q -E -i "^(y|yes|j|ja|1)$";
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}
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function _cli_ask() {
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echo -ne "$1" >> $OUT;
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}
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export CLI_ANSWER="";
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function _cli_ask_expected_answer() {
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local msg="$1";
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local answerpattern="$2";
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local read_break_char;
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local symb;
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CLI_ANSWER="";
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while ( true ); do
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echo -ne "$msg" >> $OUT;
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## read in CLI_ANSWER character by character:
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CLI_ANSWER="";
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read_break_char=false;
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while IFS= read -rn 1 symb; do
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case "$symb" in
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$'\04') read_break_char=true ;;
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$'\n') break ;;
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*) CLI_ANSWER="$CLI_ANSWER$symb" ;;
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esac
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done
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( $read_break_char ) && echo -e "" >> $OUT && exit 1;
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( echo "$CLI_ANSWER" | grep -Eq "$2" ) && break;
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done
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}
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function _cli_ask_expected_answer_secure() {
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local msg="$1";
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local answerpattern="$2";
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local mask="$3";
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local read_break_char;
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local symb;
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CLI_ANSWER="";
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while ( true ); do
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echo -ne "$msg" >> $OUT;
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stty -echo;
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## read in CLI_ANSWER character by character:
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CLI_ANSWER="";
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read_break_char=false;
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while IFS= read -rN 1 symb; do
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case "$symb" in
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$'\04') read_break_char=true ;;
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$'\n') break ;;
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*) CLI_ANSWER="$CLI_ANSWER$symb" ;;
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esac
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done
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stty echo;
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( $read_break_char ) && echo -e "" >> $OUT && exit 1;
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[[ "$mask" == "true" ]] && echo -e "$( echo $CLI_ANSWER | sed -r 's/./\*/g' )" || echo -e "$mask";
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( echo "$CLI_ANSWER" | grep -Eq "$2" ) && break;
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done
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}
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function _cli_trailing_message() {
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echo -ne "$1" >> $OUT;
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}
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function _cli_message() {
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if [ "$2" == "true" ]; then
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_cli_trailing_message "$1";
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else
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echo -e "$1" >> $OUT;
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fi
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}
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function _log_info() {
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_cli_message "${LOGGINGPREFIX}[\033[94;1mINFO\033[0m] $1" $2;
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}
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function _log_debug() {
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_cli_message "${LOGGINGPREFIX}[\033[95;1mDEBUG\033[0m] $1" $2;
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if ! [ -f "$PATH_LOGS/$FILENAME_LOGS_DEBUG" ]; then
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mkdir "$PATH_LOGS" 2> $VERBOSE;
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touch "$PATH_LOGS/$FILENAME_LOGS_DEBUG";
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fi
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echo "$1" >> "$PATH_LOGS/$FILENAME_LOGS_DEBUG";
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}
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function _log_warn() {
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_cli_message "${LOGGINGPREFIX}[\033[93;1mWARNING\033[0m] $1" $2;
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}
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function _log_error() {
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if [ "$2" == "true" ]; then
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echo -ne "${LOGGINGPREFIX}[\033[91;1mERROR\033[0m] $1" >> $ERR;
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else
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echo -e "${LOGGINGPREFIX}[\033[91;1mERROR\033[0m] $1" >> $ERR;
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fi
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}
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function _log_fail() {
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_log_error "$1" $2;
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exit 1;
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}
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##############################################################################
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# AUXILIARY METHODS: HELP
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##############################################################################
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function _help_cli_key_values() {
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local arguments=( "$@" );
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local key="${arguments[0]}";
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local indent="${arguments[1]}";
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local values="";
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for arg in "${arguments[@]:2}"; do
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if ! [ "$values" == "" ]; then values="$values|"; fi
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values="$values\033[92;1m$arg\033[0m";
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done
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local cmd="\033[93;1m$key\033[0m$indent$values";
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echo "$cmd";
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}
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function _help_cli_key_description() {
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local arguments=( "$@" );
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local key="${arguments[0]}";
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local indent="${arguments[1]}";
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local descr="${arguments[@]:2}";
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local cmd="\033[93;1m$key\033[0m$indent\033[2;3m$descr\033[0m";
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echo "$cmd";
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}
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function _help_cli_values() {
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local arguments=( "$@" );
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local cmd="";
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for arg in "${arguments[@]}"; do
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! [ "$cmd" == "" ] && cmd="$cmd|";
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cmd="$cmd\033[92;1m$arg\033[0m";
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done
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echo "$cmd";
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}
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##############################################################################
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# AUXILIARY METHODS: PROGRESSBAR
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##############################################################################
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function show_progressbar() {
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local pid=$1 # Process Id of the previous running command
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function shutdown() {
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tput cnorm; # reset cursor
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}
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function cursorBack() {
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echo -en "\033[$1D";
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}
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trap shutdown EXIT;
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local displayed=false;
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# tput civis; # cursor invisible
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while kill -0 $pid 2> $VERBOSE; do
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if [ "$displayed" == "false" ]; then
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_log_info "pending... $PENDING_SYMBOL" "true";
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displayed=true;
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else
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_cli_trailing_message "$PENDING_SYMBOL";
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fi
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sleep $WAIT_PERIOD_IN_SECONDS;
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done
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# tput cnorm; # cursor visible
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wait $pid;
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local success=$?;
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[ "$displayed" == "true" ] && _cli_trailing_message "\n";
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return $success;
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}
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##############################################################################
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# AUXILIARY METHODS: STRINGS
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##############################################################################
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function _trim() {
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_trim_trailing_spaces "$( _trim_leading_spaces "$1" )";
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}
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function _trim_leading_spaces() {
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echo "$1" | sed -E "s/^[[:space:]]+(.*)$/\1/g"
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}
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function _trim_trailing_spaces() {
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echo "$1" | sed -E "s/(^.*[^[:space:]]+|^)[[:space:]]+$/\1/g"
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}
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function to_lower() {
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echo "$(echo "$1" |tr '[:upper:]' '[:lower:]')";
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}
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function to_upper() {
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echo "$(echo "$1" |tr '[:lower:]' '[:upper:]')";
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}
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function is_comment() {
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echo "$1" | grep -Eq "^\s*\#" && return 0 || return 1;
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}
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function _trim_trailing_comments() {
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echo "$1" | sed -E "s/(^[^\#]*)\#.*$/\1/g" | sed -E "s/(^.*[^[:space:]]+|^)[[:space:]]+$/\1/g";
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}
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## Replaces all occurrences of ~ with $HOME.
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## NOTE: use / to replace first, // to replace all.
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function expand_path() {
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echo "${1//\~/$HOME}";
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}
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##############################################################################
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# AUXILIARY METHODS: JSON
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##############################################################################
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function json_dictionary_kwargs_jq() {
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! ( check_jq_exists ) && _log_fail "You need to install \033[1mjq\033[0m to use this method.";
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local json="$1";
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local format=".key + \" \" + (.value|tostring)";
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echo "$json" | jq -r "to_entries | map($format) | .[]";
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}
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# Only for json dictionaries of type Dict[str,(str|number|bool)],
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function json_dictionary_kwargs() {
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local json="$1";
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# Remove outer braces:
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json="$( echo "$json" | sed -E "s/^\{|\}$//g" )";
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# Recursively extract keys and values from right-to-left:
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local keypattern="[a-zA-Z0-9\.-_]";
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local pattern="((^.*),|(^))\"($keypattern*)\":(\"(.*)\"|(.*))$";
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function json_dictionary_kwargs_recursive() {
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local json="$1";
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[ "$json" == "" ] && return;
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! ( echo "$json" | grep -Eq "$pattern" ) && return;
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local key="$( echo "$json" | sed -E "s/$pattern/\4/g" )";
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local value="$( echo "$json" | sed -E "s/$pattern/\6\7/g" )";
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json="$( echo "$json" | sed -E "s/$pattern/\2\3/g" )";
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json_dictionary_kwargs_recursive "$json";
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echo "$key $value";
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}
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json_dictionary_kwargs_recursive "$json";
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}
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##############################################################################
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# AUXILIARY METHODS: YAML CONFIG FILES
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##############################################################################
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function has_config_key() {
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local config="$1";
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local key="$2";
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! [ -f $file ] && _log_fail "Config file \033[1m$config\033[0m not found!";
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echo "( cat $config )" | grep -Eq "^\s*$key:" && return 0 || return 1;
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}
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function json_parse() {
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local args=( "$@" );
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! ( jq --version 2> $VERBOSE >> $VERBOSE ) && _log_fail "Install \033[1mjq\033[0m for your system and ensure the command can be called in bash before proceeding. Cf. https://command-not-found.com/jq, https://chocolatey.org/packages/jq, etc.";
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echo "${args[0]}" | jq ${args[@]:1};
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}
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function yaml_parse() {
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local args=( "$@" );
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! ( yq --version 2> $VERBOSE >> $VERBOSE ) && _log_fail "Install \033[1myq\033[0m for your system and ensure the command can be called in bash before proceeding. Cf. https://command-not-found.com/yq, https://chocolatey.org/packages/yq, etc.";
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local lines="$( yq eval --tojson "${args[0]}" )";
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json_parse "$lines" ${args[@]:1};
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}
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function get_config_key_value_simpleversion() {
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local config="$1";
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local key="$2";
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local default="$3";
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! [ -f $config ] && _log_fail "Config file \033[1m$config\033[0m not found!";
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## use sed -n .... /p to delete all non-matching lines
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## store matches in an array
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local lines=( $(echo "( cat $config )" | sed -n -E "s/^[[:space:]]*$key:(.*)$/\1/p") );
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## extract the 0th entry, if it exists, otherwise return default.
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echo "$([ ${#lines[@]} -gt 0 ] && echo "$(_trim "${lines[0]}")" || echo "$default")";
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}
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function get_config_key_value() {
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local config="$1";
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local key="$2";
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||
|
|
local default="$3";
|
||
|
|
! [ -f $config ] && _log_fail "Config file \033[1m$config\033[0m not found!";
|
||
|
|
local value="$( yaml_parse "$config" --raw-output ".$key" 2> $VERBOSE || echo "$default" )";
|
||
|
|
[ "$value" == "null" ] && value="$default";
|
||
|
|
echo "$value";
|
||
|
|
}
|
||
|
|
|
||
|
|
function get_config_boolean() {
|
||
|
|
local config="$1";
|
||
|
|
local key="$2";
|
||
|
|
local default="$3";
|
||
|
|
local value="$( get_config_key_value "$config" "$key" "$default" )";
|
||
|
|
[ "$value" == "true" ] && return 0 || return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
##############################################################################
|
||
|
|
# AUXILIARY METHODS: FILES AND FOLDERS
|
||
|
|
##############################################################################
|
||
|
|
|
||
|
|
function copy_file() {
|
||
|
|
local args="$@"
|
||
|
|
local file="$( get_kwarg "$args" "file" "" )";
|
||
|
|
local folder_from_formatted="$( get_kwarg "$args" "from" "" )";
|
||
|
|
local folder_to_formatted="$( get_kwarg "$args" "to" "" )";
|
||
|
|
local rename="$( get_kwarg "$args" "rename" "" )";
|
||
|
|
|
||
|
|
local folder_from="$( expand_path "$folder_from_formatted" )";
|
||
|
|
local folder_to="$( expand_path "$folder_to_formatted" )";
|
||
|
|
|
||
|
|
if ! [ -d "$folder_from" ]; then
|
||
|
|
_log_error "For copy-file command: source folder \033[1m$folder_from_formatted\033[0m does not exist!";
|
||
|
|
return;
|
||
|
|
fi
|
||
|
|
if ! [ -d "$folder_to" ]; then
|
||
|
|
_log_error "For copy-file command: destination folder \033[1m$folder_to_formatted\033[0m does not exist!";
|
||
|
|
return;
|
||
|
|
fi
|
||
|
|
if ! [ -f "$folder_from/$file" ]; then
|
||
|
|
_log_error "For copy-file command: file \033[1m$folder_from_formatted/$file\033[0m could not be found!";
|
||
|
|
return;
|
||
|
|
fi
|
||
|
|
|
||
|
|
[ "$rename" == "" ] && rename="$file";
|
||
|
|
|
||
|
|
cp "$folder_from/$file" "$folder_to/$rename" && _log_info "Copied \033[1m$folder_from_formatted/$file\033[0m to \033[1m$folder_to_formatted/$rename\033[0m." || _log_fail "Copy-file command failed.";
|
||
|
|
}
|
||
|
|
|
||
|
|
function copy_dir() {
|
||
|
|
local args="$@"
|
||
|
|
local dir="$( get_kwarg "$args" "dir" "" )";
|
||
|
|
local folder_from_formatted="$( get_kwarg "$args" "from" "" )";
|
||
|
|
local folder_to_formatted="$( get_kwarg "$args" "to" "" )";
|
||
|
|
|
||
|
|
local folder_from="$( expand_path "$folder_from_formatted" )";
|
||
|
|
local folder_to="$( expand_path "$folder_to_formatted" )";
|
||
|
|
|
||
|
|
if ! [ -d "$folder_from" ]; then
|
||
|
|
_log_error "For copy-dir command: source folder \033[1m$folder_from_formatted\033[0m does not exist!";
|
||
|
|
return;
|
||
|
|
fi
|
||
|
|
if ! [ -d "$folder_to" ]; then
|
||
|
|
_log_error "For copy-dir command: destination folder \033[1m$folder_to_formatted\033[0m does not exist!";
|
||
|
|
return;
|
||
|
|
fi
|
||
|
|
if ! [ -d "$folder_from/$dir" ]; then
|
||
|
|
_log_error "For copy-dir command: directory \033[1m$folder_from_formatted/$dir\033[0m could not be found!";
|
||
|
|
return;
|
||
|
|
fi
|
||
|
|
|
||
|
|
cp -r "$folder_from/$dir" "$folder_to" && _log_info "Copied \033[1m$folder_from_formatted/$dir\033[0m to \033[1m$folder_to_formatted/$rename\033[0m." || _log_fail "Copy-dir command failed.";
|
||
|
|
}
|
||
|
|
|
||
|
|
function remove_file() {
|
||
|
|
local fname="$1";
|
||
|
|
[ -f "$fname" ] && rm -f "$fname" && _log_info "Removed file \033[1m$fname.\033[0m" || _log_info "Nothing to remove: the file \033[1m$fname\033[0m does not exist.";
|
||
|
|
}
|
||
|
|
|
||
|
|
function remove_dir() {
|
||
|
|
local path="$1";
|
||
|
|
[ -d "$path" ] && rm -r "$path" && _log_info "Removed directory \033[1m$path.\033[0m" || _log_info "Nothing to remove: the directory \033[1m$path\033[0m does not exist.";
|
||
|
|
}
|
||
|
|
|
||
|
|
function remove_dir_force() {
|
||
|
|
local path="$1";
|
||
|
|
[ -d "$path" ] && rm -rf "$path" && _log_info "Removed directory \033[1m$path.\033[0m" || _log_info "Nothing to remove: the directory \033[1m$path\033[0m does not exist.";
|
||
|
|
}
|
||
|
|
|
||
|
|
function create_temporary_dir() {
|
||
|
|
local current_dir="$1";
|
||
|
|
local name="tmp";
|
||
|
|
local path;
|
||
|
|
local k=0;
|
||
|
|
pushd "$current_dir" >> $VERBOSE;
|
||
|
|
while [[ -d "${name}_${k}" ]] || [[ -f "${name}_${k}" ]]; do k=$(( $k + 1 )); done;
|
||
|
|
path="${name}_${k}";
|
||
|
|
mkdir "${path}";
|
||
|
|
popd >> $VERBOSE;
|
||
|
|
echo "${current_dir}/${path}";
|
||
|
|
}
|
||
|
|
|
||
|
|
##############################################################################
|
||
|
|
# AUXILIARY METHODS: CLEANING
|
||
|
|
##############################################################################
|
||
|
|
|
||
|
|
function clean_by_pattern() {
|
||
|
|
local path="$1";
|
||
|
|
local pattern="$2"
|
||
|
|
local force=$3;
|
||
|
|
! ( ls $path | grep -q -E "$pattern" ) && return;
|
||
|
|
_log_info "Files to be removed:";
|
||
|
|
ls $path | grep -E "$pattern" | awk -v PATH=$path '{print " \033[94m" PATH "/" $1 "\033[0m"}' >> $OUT;
|
||
|
|
if ! ( $force ); then
|
||
|
|
_cli_ask_expected_answer " Do you wish to proceed? (y/n) " "^(y|n)$";
|
||
|
|
! [[ "$CLI_ANSWER" == "y" ]] && _log_info "skipped." && return;
|
||
|
|
fi
|
||
|
|
ls $path | grep -E "$pattern" | awk -v PATH=$path '{print PATH "/" $1}' | xargs rm -r;
|
||
|
|
_log_info "deleted.";
|
||
|
|
}
|
||
|
|
|
||
|
|
function clean_folder_contents() {
|
||
|
|
local folder="$1";
|
||
|
|
local path;
|
||
|
|
while read path; do
|
||
|
|
[ "$path" == "" ] && continue;
|
||
|
|
[ -f "$path" ] && remove_file "$path" >> $VERBOSE && continue;
|
||
|
|
[ -d "$path" ] && rm -rf "$path" && continue;
|
||
|
|
done <<< $( find "$folder" -mindepth 1 2> $VERBOSE );
|
||
|
|
_log_info "(\033[91mforce removed\033[0m) contents of \033[94m$folder/\033[0m";
|
||
|
|
}
|
||
|
|
|
||
|
|
function clean_all_folders_of_pattern() {
|
||
|
|
local pattern="$1";
|
||
|
|
local objects=( $( find * -type d -name ${pattern} ) );
|
||
|
|
local n=${#objects[@]};
|
||
|
|
[[ $n -gt 0 ]] && find * -type d -name ${pattern} | awk '{print $1}' | xargs rm -rf;
|
||
|
|
_log_info " (\033[91mforce removed\033[0m) $n x \033[94m${pattern}\033[0m folders";
|
||
|
|
}
|
||
|
|
|
||
|
|
function clean_all_files_of_pattern() {
|
||
|
|
local pattern="$1";
|
||
|
|
local objects=( $( find * -type f -name ${pattern} ) );
|
||
|
|
local n=${#objects[@]};
|
||
|
|
[[ $n -gt 0 ]] && find * -type f -name ${pattern} | awk '{print $1}' | xargs rm -rf;
|
||
|
|
_log_info " (\033[91mforce removed\033[0m) $n x \033[94m${pattern}\033[0m files";
|
||
|
|
}
|