unitproc/bktemp-checkAppFileDir

   1 #!/bin/bash
   2 # Desc: Checks that apps, files, or dirs exist.
   3
   4 #==BEGIN Define script parameters==
   5 #===BEGIN Define variables===
   6 declare -Ag appRollCall # Associative array for storing app status
   7 declare -Ag fileRollCall # Associative array for storing file status
   8 declare -Ag dirRollCall # Associative array for storing dir status
   9 #===END Define variables===
  10
  11 #===BEGIN Declare local script functions===
  12 checkapp() {
  13     # Desc: If arg is a command, save result in assoc array 'appRollCall'
  14     # Usage: checkapp arg1 arg2 arg3 ...
  15     # Version: 0.1.1
  16     # Input: global assoc. array 'appRollCall'
  17     # Output: adds/updates key(value) to global assoc array 'appRollCall'
  18     # Depends: bash 5.0.3
  19     local returnState
  20
  21     #===Process Args===
  22     for arg in "$@"; do
  23         if command -v "$arg" 1>/dev/null 2>&1; then # Check if arg is a valid command
  24             appRollCall[$arg]="true";
  25             if ! [ "$returnState" = "false" ]; then returnState="true"; fi;
  26         else
  27             appRollCall[$arg]="false"; returnState="false";
  28         fi;
  29     done;
  30
  31     #===Determine function return code===
  32     if [ "$returnState" = "true" ]; then
  33         return 0;
  34     else
  35         return 1;
  36     fi;
  37 } # Check that app exists
  38 checkfile() {
  39     # Desc: If arg is a file path, save result in assoc array 'fileRollCall'
  40     # Usage: checkfile arg1 arg2 arg3 ...
  41     # Version: 0.1.1
  42     # Input: global assoc. array 'fileRollCall'
  43     # Output: adds/updates key(value) to global assoc array 'fileRollCall';
  44     # Output: returns 0 if app found, 1 otherwise
  45     # Depends: bash 5.0.3
  46     local returnState
  47
  48     #===Process Args===
  49     for arg in "$@"; do
  50         if [ -f "$arg" ]; then
  51             fileRollCall["$arg"]="true";
  52             if ! [ "$returnState" = "false" ]; then returnState="true"; fi;
  53         else
  54             fileRollCall["$arg"]="false"; returnState="false";
  55         fi;
  56     done;
  57
  58     #===Determine function return code===
  59     if [ "$returnState" = "true" ]; then
  60         return 0;
  61     else
  62         return 1;
  63     fi;
  64 } # Check that file exists
  65 checkdir() {
  66     # Desc: If arg is a dir path, save result in assoc array 'dirRollCall'
  67     # Usage: checkdir arg1 arg2 arg3 ...
  68     # Version 0.1.1
  69     # Input: global assoc. array 'dirRollCall'
  70     # Output: adds/updates key(value) to global assoc array 'dirRollCall';
  71     # Output: returns 0 if app found, 1 otherwise
  72     # Depends: Bash 5.0.3
  73     local returnState
  74
  75     #===Process Args===
  76     for arg in "$@"; do
  77         if [ -d "$arg" ]; then
  78             dirRollCall["$arg"]="true";
  79             if ! [ "$returnState" = "false" ]; then returnState="true"; fi
  80         else
  81             dirRollCall["$arg"]="false"; returnState="false";
  82         fi
  83     done
  84
  85     #===Determine function return code===
  86     if [ "$returnState" = "true" ]; then
  87         return 0;
  88     else
  89         return 1;
  90     fi
  91 } # Check that dir exists
  92 displayMissing() {
  93     # Desc: Displays missing apps, files, and dirs
  94     # Usage: displayMissing
  95     # Version 0.1.1
  96     # Input: associative arrays: appRollCall, fileRollCall, dirRollCall
  97     # Output: stderr: messages indicating missing apps, file, or dirs
  98     # Depends: bash 5, checkAppFileDir()
  99     local missingApps value appMissing missingFiles fileMissing
 100     local missingDirs dirMissing
 101
 102     #==BEGIN Display errors==
 103     #===BEGIN Display Missing Apps===
 104     missingApps="Missing apps  :";
 105     #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done
 106     for key in "${!appRollCall[@]}"; do
 107         value="${appRollCall[$key]}";
 108         if [ "$value" = "false" ]; then
 109             #echo "DEBUG:Missing apps: $key => $value";
 110             missingApps="$missingApps""$key ";
 111             appMissing="true";
 112         fi;
 113     done;
 114     if [ "$appMissing" = "true" ]; then  # Only indicate if an app is missing.
 115         echo "$missingApps" 1>&2;
 116     fi;
 117     unset value;
 118     #===END Display Missing Apps===
 119
 120     #===BEGIN Display Missing Files===
 121     missingFiles="Missing files:";
 122     #for key in "${!fileRollCall[@]}"; do echo "DEBUG:$key => ${fileRollCall[$key]}"; done
 123     for key in "${!fileRollCall[@]}"; do
 124         value="${fileRollCall[$key]}";
 125         if [ "$value" = "false" ]; then
 126             #echo "DEBUG:Missing files: $key => $value";
 127             missingFiles="$missingFiles""$key ";
 128             fileMissing="true";
 129         fi;
 130     done;
 131     if [ "$fileMissing" = "true" ]; then  # Only indicate if an app is missing.
 132         echo "$missingFiles" 1>&2;
 133     fi;
 134     unset value;
 135     #===END Display Missing Files===
 136
 137     #===BEGIN Display Missing Directories===
 138     missingDirs="Missing dirs:";
 139     #for key in "${!dirRollCall[@]}"; do echo "DEBUG:$key => ${dirRollCall[$key]}"; done
 140     for key in "${!dirRollCall[@]}"; do
 141         value="${dirRollCall[$key]}";
 142         if [ "$value" = "false" ]; then
 143             #echo "DEBUG:Missing dirs: $key => $value";
 144             missingDirs="$missingDirs""$key ";
 145             dirMissing="true";
 146         fi;
 147     done;
 148     if [ "$dirMissing" = "true" ]; then  # Only indicate if an dir is missing.
 149         echo "$missingDirs" 1>&2;
 150     fi;
 151     unset value;
 152     #===END Display Missing Directories===
 153
 154     #==END Display errors==
 155 } # Display missing apps, files, dirs
 156
 157 #===END Declare local script functions===
 158 #==END Define script parameters==
 159
 160 #==BEGIN sample code==
 161 if checkapp cat; then echo "cat found."; fi;
 162 if checkapp gpg; then echo "gpg found."; fi;
 163 if checkapp emaaaacs; then echo "emaaaacs found."; fi;
 164 sleep 1;
 165 displayMissing;
 166 #==END sample code==
 167
 168 # Author: Steven Baltaktei Sandoval
 169 # License: GPLv3+