unitproc/bktemp-checkAppFileDir

   1 #!/bin/bash
   2
   3 # Desc: Template to check that apps, files, or dirs exist.
   4 # Author: Steven Baltaktei Sandoval
   5 # License: GPLv3+
   6
   7 #==BEGIN Define script parameters==
   8 declare -Ag appRollCall # Associative array for storing app status
   9 declare -Ag fileRollCall # Associative array for storing file status
  10 declare -Ag dirRollCall # Associative array for storing dir status
  11
  12 #===BEGIN Declare local script functions===
  13 checkapp() {
  14     # Desc: If arg is a command, save result in assoc array 'appRollCall'
  15     # Usage: checkapp arg1 arg2 arg3 ...
  16     # Input: global assoc. array 'appRollCall'
  17     # Output: adds/updates key(value) to global assoc array 'appRollCall'
  18     local returnState
  19     #echo "DEBUG:$(date +%S.%N)..Starting checkapp function."
  20     #echo "DEBUG:args: $@"
  21     #echo "DEBUG:returnState:$returnState"
  22
  23     #===Process Args===
  24     for arg in "$@"; do
  25         #echo "DEBUG:processing arg:$arg"
  26         if command -v "$arg" 1>/dev/null 2>&1; then # Check if arg is a valid command
  27             appRollCall[$arg]="true";
  28             #echo "DEBUG:appRollCall[$arg]:"${appRollCall[$arg]}
  29             if ! [ "$returnState" = "false" ]; then returnState="true"; fi
  30         else
  31             appRollCall[$arg]="false"; returnState="false";
  32         fi
  33     done
  34
  35     #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done
  36     #echo "DEBUG:evaluating returnstate. returnState:"$returnState
  37
  38     #===Determine function return code===
  39     if [ "$returnState" = "true" ]; then
  40         #echo "DEBUG:checkapp returns true for $arg";
  41         return 0;
  42     else
  43         #echo "DEBUG:checkapp returns false for $arg";
  44         return 1;
  45     fi
  46 } # Check that app exists
  47 checkfile() {
  48     # Desc: If arg is a file path, save result in assoc array 'fileRollCall'
  49     # Usage: checkfile arg1 arg2 arg3 ...
  50     # Input: global assoc. array 'fileRollCall'
  51     # Output: adds/updates key(value) to global assoc array 'fileRollCall';
  52     # Output: returns 0 if app found, 1 otherwise
  53     local returnState
  54
  55     #===Process Args===
  56     for arg in "$@"; do
  57         #echo "DEBUG:processing arg:$arg"
  58         if [ -f "$arg" ]; then
  59             fileRollCall["$arg"]="true";
  60             #echo "DEBUG:fileRollCall[\"$arg\"]:"${fileRollCall["$arg"]}
  61             if ! [ "$returnState" = "false" ]; then returnState="true"; fi
  62         else
  63             fileRollCall["$arg"]="false"; returnState="false";
  64         fi
  65     done
  66
  67     #for key in "${!fileRollCall[@]}"; do echo "DEBUG:fileRollCall key [$key] is:${fileRollCall[$key]}"; done
  68     #echo "DEBUG:evaluating returnstate. returnState:"$returnState
  69
  70     #===Determine function return code===
  71     if [ "$returnState" = "true" ]; then
  72         #echo "DEBUG:checkapp returns true for $arg";
  73         return 0;
  74     else
  75         #echo "DEBUG:checkapp returns false for $arg";
  76         return 1;
  77     fi
  78 } # Check that file exists
  79 checkdir() {
  80     # Desc: If arg is a dir path, save result in assoc array 'dirRollCall'
  81     # Usage: checkdir arg1 arg2 arg3 ...
  82     # Input: global assoc. array 'dirRollCall'
  83     # Output: adds/updates key(value) to global assoc array 'dirRollCall';
  84     # Output: returns 0 if app found, 1 otherwise
  85     local returnState
  86
  87     #===Process Args===
  88     for arg in "$@"; do
  89         #echo "DEBUG:processing arg:$arg"
  90         if [ -d "$arg" ]; then
  91             dirRollCall["$arg"]="true";
  92             #echo "DEBUG:dirRollCall[\"$arg\"]:"${dirRollCall["$arg"]}
  93             if ! [ "$returnState" = "false" ]; then returnState="true"; fi
  94         else
  95             dirRollCall["$arg"]="false"; returnState="false";
  96         fi
  97     done
  98
  99     #for key in "${!dirRollCall[@]}"; do echo "DEBUG:dirRollCall key [$key] is:${dirRollCall[$key]}"; done
 100     #echo "DEBUG:evaluating returnstate. returnState:"$returnState
 101
 102     #===Determine function return code===
 103     if [ "$returnState" = "true" ]; then
 104         #echo "DEBUG:checkapp returns true for $arg";
 105         return 0;
 106     else
 107         #echo "DEBUG:checkapp returns false for $arg";
 108         return 1;
 109     fi
 110 } # Check that dir exists
 111 #===END Declare local script functions===
 112 #==END Define script parameters==
 113
 114 #==BEGIN sample code==
 115 if checkapp cat; then echo "cat found."; fi
 116 if checkapp gpg; then echo "gpg found."; fi
 117 if checkapp emaaaacs; then echo "emaaaacs found."; fi
 118 #==END sample code==
 119
 120 #==BEGIN Display errors==
 121 #===BEGIN Display Missing Apps===
 122 missingApps="Missing apps  :"
 123 #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done
 124 for key in "${!appRollCall[@]}"; do
 125     value="${appRollCall[$key]}"
 126     if [ "$value" = "false" ]; then
 127         #echo "DEBUG:Missing apps: $key => $value";
 128         missingApps="$missingApps""$key "
 129         appMissing="true"
 130     fi
 131 done
 132 if [ "$appMissing" = "true" ]; then  # Only indicate if an app is missing.
 133     echo "$missingApps" 1>&2;
 134 fi
 135 #===END Display Missing Apps===
 136
 137 #===BEGIN Display Missing Files===
 138 missingFiles="Missing files:"
 139 #for key in "${!fileRollCall[@]}"; do echo "DEBUG:$key => ${fileRollCall[$key]}"; done
 140 for key in "${!fileRollCall[@]}"; do
 141     value="${fileRollCall[$key]}"
 142     if [ "$value" = "false" ]; then
 143         #echo "DEBUG:Missing files: $key => $value";
 144         missingFiles="$missingFiles""$key "
 145         fileMissing="true"
 146     fi
 147 done
 148 if [ "$fileMissing" = "true" ]; then  # Only indicate if an app is missing.
 149     echo "$missingFiles" 1>&2;
 150 fi
 151 #===END Display Missing Files===
 152
 153 #===BEGIN Display Missing Directories===
 154 missingDirs="Missing dirs:"
 155 #for key in "${!dirRollCall[@]}"; do echo "DEBUG:$key => ${dirRollCall[$key]}"; done
 156 for key in "${!dirRollCall[@]}"; do
 157     value="${dirRollCall[$key]}"
 158     if [ "$value" = "false" ]; then
 159         #echo "DEBUG:Missing dirs: $key => $value";
 160         missingDirs="$missingDirs""$key "
 161         dirMissing="true"
 162     fi
 163 done
 164 if [ "$dirMissing" = "true" ]; then  # Only indicate if an dir is missing.
 165     echo "$missingDirs" 1>&2;
 166 fi
 167 #===END Display Missing Directories===
 168
 169 #===BEGIN Display Failed Functions===
 170 if [ ${#failedFunctions} -gt 0 ]; then # Only indicate if an function failed.
 171     echo "Failed functions:${failedFunctions[@]}" 1>&2;
 172 fi
 173 #===END Display Failed Functions===
 174
 175 #==END Display errors==