2 # Desc: Checks that apps, files, or dirs exist.
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===
11 #===BEGIN Declare local script functions===
13 # Desc: If arg is a command, save result in assoc array 'appRollCall'
14 # Usage: checkapp arg1 arg2 arg3 ...
16 # Input: global assoc. array 'appRollCall'
17 # Output: adds/updates key(value) to global assoc array 'appRollCall'
23 if command -v "$arg" 1>/dev
/null
2>&1; then # Check if arg is a valid command
24 appRollCall
[$arg]="true";
25 if ! [ "$returnState" = "false" ]; then returnState
="true"; fi;
27 appRollCall
[$arg]="false"; returnState
="false";
31 #===Determine function return code===
32 if [ "$returnState" = "true" ]; then
37 } # Check that app exists
39 # Desc: If arg is a file path, save result in assoc array 'fileRollCall'
40 # Usage: checkfile arg1 arg2 arg3 ...
42 # Input: global assoc. array 'fileRollCall'
43 # Output: adds/updates key(value) to global assoc array 'fileRollCall';
44 # Output: returns 0 if app found, 1 otherwise
50 if [ -f "$arg" ]; then
51 fileRollCall
["$arg"]="true";
52 if ! [ "$returnState" = "false" ]; then returnState
="true"; fi;
54 fileRollCall
["$arg"]="false"; returnState
="false";
58 #===Determine function return code===
59 if [ "$returnState" = "true" ]; then
64 } # Check that file exists
66 # Desc: If arg is a dir path, save result in assoc array 'dirRollCall'
67 # Usage: checkdir arg1 arg2 arg3 ...
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
77 if [ -d "$arg" ]; then
78 dirRollCall
["$arg"]="true";
79 if ! [ "$returnState" = "false" ]; then returnState
="true"; fi
81 dirRollCall
["$arg"]="false"; returnState
="false";
85 #===Determine function return code===
86 if [ "$returnState" = "true" ]; then
91 } # Check that dir exists
93 # Desc: Displays missing apps, files, and dirs
94 # Usage: displayMissing
96 # Input: associative arrays: appRollCall, fileRollCall, dirRollCall
97 # Output: stderr: messages indicating missing apps, file, or dirs
98 # Depends: bash 5, checkAppFileDir()
99 local missingApps value appMissing missingFiles fileMissing
100 local missingDirs dirMissing
102 #==BEGIN Display errors==
103 #===BEGIN Display Missing Apps===
104 missingApps
="Missing apps :";
105 #for key in "${!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""$key ";
114 if [ "$appMissing" = "true" ]; then # Only indicate if an app is missing.
115 echo "$missingApps" 1>&2;
118 #===END Display Missing Apps===
120 #===BEGIN Display Missing Files===
121 missingFiles
="Missing files:";
122 #for key in "${!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""$key ";
131 if [ "$fileMissing" = "true" ]; then # Only indicate if an app is missing.
132 echo "$missingFiles" 1>&2;
135 #===END Display Missing Files===
137 #===BEGIN Display Missing Directories===
138 missingDirs
="Missing dirs:";
139 #for key in "${!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""$key ";
148 if [ "$dirMissing" = "true" ]; then # Only indicate if an dir is missing.
149 echo "$missingDirs" 1>&2;
152 #===END Display Missing Directories===
154 #==END Display errors==
155 } # Display missing apps, files, dirs
157 #===END Declare local script functions===
158 #==END Define script parameters==
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;
168 # Author: Steven Baltaktei Sandoval