feat(u/bktemp-checkFlt):Add empty string test
[BK-2020-03.git] / 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+