+++ /dev/null
-#!/bin/bash
-# Desc: Checks that apps, files, or dirs exist.
-
-#==BEGIN Define script parameters==
-#===BEGIN Define variables===
-declare -Ag appRollCall # Associative array for storing app status
-declare -Ag fileRollCall # Associative array for storing file status
-declare -Ag dirRollCall # Associative array for storing dir status
-#===END Define variables===
-
-#===BEGIN Declare local script functions===
-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: 0.1.2
- # 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;
- elif [ -z "$arg" ]; then
- fileRollCall["(no name)"]="false"; returnState="false";
- else
- fileRollCall["$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
-
-#===END Declare local script functions===
-#==END Define script parameters==
-
-#==BEGIN sample code==
-if checkapp cat; then echo "cat found."; fi;
-if checkapp gpg; then echo "gpg found."; fi;
-if displayMissing 1>/dev/null 2>&1; then
- echo "Nothing missing so far...";
-fi;
-
-if checkapp emaaaacs; then echo "emaaaacs found."; fi;
-sleep 1;
-if ! displayMissing 1>/dev/null 2>&1; then
- echo "Something is missing!";
- displayMissing;
-fi;
-sleep 1;
-myFile=""; if ! checkfile "$myFile"; then echo "An empty argument provided:$myFile"; displayMissing; fi;
-#==END sample code==
-
-# Author: Steven Baltaktei Sandoval
-# License: GPLv3+
projects / BK-2020-03.git / blobdiff