From: Steven Baltakatei Sandoval Date: Mon, 2 May 2022 22:23:33 +0000 (+0000) Subject: feat(user/):Add bash script to update .hidden files for nautilus X-Git-Tag: 0.5.0~4 X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/commitdiff_plain/211b1458ca83ff7fc81a51b3d0e3e5a34564b47c?ds=inline;hp=--cc feat(user/):Add bash script to update .hidden files for nautilus new file: user/bk-naut-hide --- 211b1458ca83ff7fc81a51b3d0e3e5a34564b47c diff --git a/user/bk-naut-hide b/user/bk-naut-hide new file mode 100644 index 0000000..4826b2f --- /dev/null +++ b/user/bk-naut-hide @@ -0,0 +1,273 @@ +#!/usr/bin/env bash +# Desc: Scan file system and update '.hidden' files to hide certain +# files based on filenames. +# Usage: bk-naut-hide [DIRS...] + +yell() { echo "$0: $*" >&2; } # print script path and all args to stderr +die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status +try() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails +checkapp() { + # Desc: If arg is a command, save result in assoc array 'appRollCall' + # Usage: checkapp arg1 arg2 arg3 ... + # Version: 0.1.1 + # Input: global assoc. array 'appRollCall' + # Output: adds/updates key(value) to global assoc array 'appRollCall' + # Depends: bash 5.0.3 + local returnState + + #===Process Args=== + for arg in "$@"; do + if command -v "$arg" 1>/dev/null 2>&1; then # Check if arg is a valid command + appRollCall[$arg]="true"; + if ! [ "$returnState" = "false" ]; then returnState="true"; fi; + else + appRollCall[$arg]="false"; returnState="false"; + fi; + done; + + #===Determine function return code=== + if [ "$returnState" = "true" ]; then + return 0; + else + return 1; + fi; +} # Check that app exists +checkfile() { + # Desc: If arg is a file path, save result in assoc array 'fileRollCall' + # Usage: checkfile arg1 arg2 arg3 ... + # Version: 0.1.1 + # Input: global assoc. array 'fileRollCall' + # Output: adds/updates key(value) to global assoc array 'fileRollCall'; + # Output: returns 0 if app found, 1 otherwise + # Depends: bash 5.0.3 + local returnState + + #===Process Args=== + for arg in "$@"; do + if [ -f "$arg" ]; then + fileRollCall["$arg"]="true"; + if ! [ "$returnState" = "false" ]; then returnState="true"; fi; + else + fileRollCall["$arg"]="false"; returnState="false"; + fi; + done; + + #===Determine function return code=== + if [ "$returnState" = "true" ]; then + return 0; + else + return 1; + fi; +} # Check that file exists +checkdir() { + # Desc: If arg is a dir path, save result in assoc array 'dirRollCall' + # Usage: checkdir arg1 arg2 arg3 ... + # Version 0.1.2 + # Input: global assoc. array 'dirRollCall' + # Output: adds/updates key(value) to global assoc array 'dirRollCall'; + # Output: returns 0 if all args are dirs; 1 otherwise + # Depends: Bash 5.0.3 + local returnState + + #===Process Args=== + for arg in "$@"; do + if [ -z "$arg" ]; then + dirRollCall["(Unspecified Dirname(s))"]="false"; returnState="false"; + elif [ -d "$arg" ]; then + dirRollCall["$arg"]="true"; + if ! [ "$returnState" = "false" ]; then returnState="true"; fi + else + dirRollCall["$arg"]="false"; returnState="false"; + fi + done + + #===Determine function return code=== + if [ "$returnState" = "true" ]; then + return 0; + else + return 1; + fi +} # Check that dir exists +displayMissing() { + # Desc: Displays missing apps, files, and dirs + # Usage: displayMissing + # Version 1.0.0 + # Input: associative arrays: appRollCall, fileRollCall, dirRollCall + # Output: stderr: messages indicating missing apps, file, or dirs + # Output: returns exit code 0 if nothing missing; 1 otherwise + # Depends: bash 5, checkAppFileDir() + local missingApps value appMissing missingFiles fileMissing + local missingDirs dirMissing + + #==BEGIN Display errors== + #===BEGIN Display Missing Apps=== + missingApps="Missing apps :"; + #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done + for key in "${!appRollCall[@]}"; do + value="${appRollCall[$key]}"; + if [ "$value" = "false" ]; then + #echo "DEBUG:Missing apps: $key => $value"; + missingApps="$missingApps""$key "; + appMissing="true"; + fi; + done; + if [ "$appMissing" = "true" ]; then # Only indicate if an app is missing. + echo "$missingApps" 1>&2; + fi; + unset value; + #===END Display Missing Apps=== + + #===BEGIN Display Missing Files=== + missingFiles="Missing files:"; + #for key in "${!fileRollCall[@]}"; do echo "DEBUG:$key => ${fileRollCall[$key]}"; done + for key in "${!fileRollCall[@]}"; do + value="${fileRollCall[$key]}"; + if [ "$value" = "false" ]; then + #echo "DEBUG:Missing files: $key => $value"; + missingFiles="$missingFiles""$key "; + fileMissing="true"; + fi; + done; + if [ "$fileMissing" = "true" ]; then # Only indicate if an app is missing. + echo "$missingFiles" 1>&2; + fi; + unset value; + #===END Display Missing Files=== + + #===BEGIN Display Missing Directories=== + missingDirs="Missing dirs:"; + #for key in "${!dirRollCall[@]}"; do echo "DEBUG:$key => ${dirRollCall[$key]}"; done + for key in "${!dirRollCall[@]}"; do + value="${dirRollCall[$key]}"; + if [ "$value" = "false" ]; then + #echo "DEBUG:Missing dirs: $key => $value"; + missingDirs="$missingDirs""$key "; + dirMissing="true"; + fi; + done; + if [ "$dirMissing" = "true" ]; then # Only indicate if an dir is missing. + echo "$missingDirs" 1>&2; + fi; + unset value; + #===END Display Missing Directories=== + + #==END Display errors== + #==BEGIN Determine function return code=== + if [ "$appMissing" == "true" ] || [ "$fileMissing" == "true" ] || [ "$dirMissing" == "true" ]; then + return 1; + else + return 0; + fi + #==END Determine function return code=== +} # Display missing apps, files, dirs +get_paths_dothide() { + # Desc: Recursively search specified ir for '.hidden' files + # Usage: get_paths_dothide arg1 + # Input: arg1 dir to search + # Output: stdout list of paths of '.hidden' files + + local + # Check input + if [[ $# -ne 1 ]]; then die "FATAL:Arg count does not equal 1:$#"; fi; + if [[ ! -d "$1" ]]; then die "FATAL:Not a dir:$1"; fi; + + # Search for files named '.hidden' + find -L "$1" -type f -name ".hidden" 2>/dev/null +}; # Return list of paths of '.hidden' files + +main() { + local -a dirs_target pat_tohide + + # check input + # check and specify list of dirs to search + for arg in "$@"; do + if [[ -d $arg ]]; then + dirs_target+=("$arg"); + else + die "FATAL:Not a dir:arg:$arg"; + fi; + done; + yell "DEBUG:dirs_target:${dirs_target[*]}"; + + # specify filename regex patterns to mark '.hidden' + pat_tohide+=(".ots$"); + pat_tohide+=(".ots.bak$"); + yell "DEBUG:pat_tohide:${pat_tohide[*]}"; + + # generate list of paths of '.hidden' files + for dir in "${dirs_target[@]}"; do + yell "DEBUG:generating list of paths of '.hidden' files in dir:$dir"; + while read -r file; do + ls_dothide_f+=("$file"); + done < <(get_paths_dothide "$dir"); + done; + yell "DEBUG:ls_dothide_f:${ls_dothide_f[*]}"; + yell "DEBUG:"; + + # get list of dirs containing the files + while read -r line; do + yell "DEBUG:found .hidden file at:$line"; + dir="$(dirname "$line")"; + ls_dothide_d+=("$dir"); + done < <(printf "%s\n" "${ls_dothide_f[@]}") + yell "DEBUG:ls_dothide_d:${ls_dothide_d[*]}"; + yell "DEBUG:"; + + # for each dir, write list of files to hide in '.hidden' + while read -r dir; do + yell "DEBUG:performing actions in dir:$dir"; + declare -a ls_tohide_fn; # array for filenames to write in '.hidden' + + ## act on each file + while read -r file; do + yell "DEBUG:considering file:$file"; + filename="$(basename "$file")"; + + ## check if file is actually a file + if [[ ! -f $file ]]; then continue; fi; + + ## check if file should be hidden according to pattern match + unset flag_pat_match; + while read -r pat; do + if [[ $filename =~ $pat ]]; then + flag_pat_match="true"; + break; # don't consider any more patterns for this file + else + flag_pat_match="false"; + fi; + done < <(printf "%s\n" "${pat_tohide[@]}"); + + ## add file to list to add to '.hidden' + if [[ $flag_pat_match == "true" ]]; then + yell "DEBUG:adding to ls_tohide_fn:file:$file": + yell "DEBUG:filename:$filename"; + ls_tohide_fn+=("$filename"); + fi; + yell "DEBUG:"; + + ## unset variables defined only for this file + unset filename flag_pat_match; + done < <(find "$dir" -mindepth 1 -maxdepth 1 -type f 2>/dev/null); + yell "DEBUG:"; + + ## add file names to $dir/'.hidden' + ### remove blank lines and sort and uniq + while read -r line; do + ls_tohide_fn_sortuniq+=("$line"); + done < <(printf "%s\n" "${ls_tohide_fn[@]}" | sed '/^$/d' | sort | uniq); + ls_tohide_fn=("${ls_tohide_fn_sortuniq[@]}"); + + ### write '.hidden' + path_hidefile="$dir"/.hidden; + yell "DEBUG:Writing contents of .hidden file at path_hidefile:$path_hidefile"; + yell "DEBUG:ls_tohide_fn:$(printf "%s\n" "${ls_tohide_fn[@]}" )"; + printf "%s\n" "${ls_tohide_fn[@]}" > "$path_hidefile" + + ## unset variables defined only for this dir + unset ls_tohide_fn path_hidefile; + + yell "DEBUG:"; + done < <(printf "%s\n" "${ls_dothide_d[@]}"); +}; # main program + +main "$@";