feat(user/bkots):Optimize with GNU Parallel for executing commands
[BK-2020-03.git] / unitproc / bktemp-checkAppFileDir
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CommitLineData
1#!/bin/bash
2# Desc: Checks that apps, files, or dirs exist.
3
4#==BEGIN Define script parameters==
5#===BEGIN Define variables===
6declare -Ag appRollCall # Associative array for storing app status
7declare -Ag fileRollCall # Associative array for storing file status
8declare -Ag dirRollCall # Associative array for storing dir status
9#===END Define variables===
10
11#===BEGIN Declare local script functions===
12checkapp() {
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
38checkfile() {
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
65checkdir() {
66 # Desc: If arg is a dir path, save result in assoc array 'dirRollCall'
67 # Usage: checkdir arg1 arg2 arg3 ...
68 # Version 0.1.2
69 # Input: global assoc. array 'dirRollCall'
70 # Output: adds/updates key(value) to global assoc array 'dirRollCall';
71 # Output: returns 0 if all args are dirs; 1 otherwise
72 # Depends: Bash 5.0.3
73 local returnState
74
75 #===Process Args===
76 for arg in "$@"; do
77 if [ -z "$arg" ]; then
78 dirRollCall["(Unspecified Dirname(s))"]="false"; returnState="false";
79 elif [ -d "$arg" ]; then
80 dirRollCall["$arg"]="true";
81 if ! [ "$returnState" = "false" ]; then returnState="true"; fi
82 else
83 dirRollCall["$arg"]="false"; returnState="false";
84 fi
85 done
86
87 #===Determine function return code===
88 if [ "$returnState" = "true" ]; then
89 return 0;
90 else
91 return 1;
92 fi
93} # Check that dir exists
94displayMissing() {
95 # Desc: Displays missing apps, files, and dirs
96 # Usage: displayMissing
97 # Version 1.0.0
98 # Input: associative arrays: appRollCall, fileRollCall, dirRollCall
99 # Output: stderr: messages indicating missing apps, file, or dirs
100 # Output: returns exit code 0 if nothing missing; 1 otherwise
101 # Depends: bash 5, checkAppFileDir()
102 local missingApps value appMissing missingFiles fileMissing
103 local missingDirs dirMissing
104
105 #==BEGIN Display errors==
106 #===BEGIN Display Missing Apps===
107 missingApps="Missing apps :";
108 #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done
109 for key in "${!appRollCall[@]}"; do
110 value="${appRollCall[$key]}";
111 if [ "$value" = "false" ]; then
112 #echo "DEBUG:Missing apps: $key => $value";
113 missingApps="$missingApps""$key ";
114 appMissing="true";
115 fi;
116 done;
117 if [ "$appMissing" = "true" ]; then # Only indicate if an app is missing.
118 echo "$missingApps" 1>&2;
119 fi;
120 unset value;
121 #===END Display Missing Apps===
122
123 #===BEGIN Display Missing Files===
124 missingFiles="Missing files:";
125 #for key in "${!fileRollCall[@]}"; do echo "DEBUG:$key => ${fileRollCall[$key]}"; done
126 for key in "${!fileRollCall[@]}"; do
127 value="${fileRollCall[$key]}";
128 if [ "$value" = "false" ]; then
129 #echo "DEBUG:Missing files: $key => $value";
130 missingFiles="$missingFiles""$key ";
131 fileMissing="true";
132 fi;
133 done;
134 if [ "$fileMissing" = "true" ]; then # Only indicate if an app is missing.
135 echo "$missingFiles" 1>&2;
136 fi;
137 unset value;
138 #===END Display Missing Files===
139
140 #===BEGIN Display Missing Directories===
141 missingDirs="Missing dirs:";
142 #for key in "${!dirRollCall[@]}"; do echo "DEBUG:$key => ${dirRollCall[$key]}"; done
143 for key in "${!dirRollCall[@]}"; do
144 value="${dirRollCall[$key]}";
145 if [ "$value" = "false" ]; then
146 #echo "DEBUG:Missing dirs: $key => $value";
147 missingDirs="$missingDirs""$key ";
148 dirMissing="true";
149 fi;
150 done;
151 if [ "$dirMissing" = "true" ]; then # Only indicate if an dir is missing.
152 echo "$missingDirs" 1>&2;
153 fi;
154 unset value;
155 #===END Display Missing Directories===
156
157 #==END Display errors==
158 #==BEGIN Determine function return code===
159 if [ "$appMissing" == "true" ] || [ "$fileMissing" == "true" ] || [ "$dirMissing" == "true" ]; then
160 return 1;
161 else
162 return 0;
163 fi
164 #==END Determine function return code===
165} # Display missing apps, files, dirs
166
167#===END Declare local script functions===
168#==END Define script parameters==
169
170#==BEGIN sample code==
171if checkapp cat; then echo "cat found."; fi;
172if checkapp gpg; then echo "gpg found."; fi;
173if displayMissing 1>/dev/null 2>&1; then
174 echo "Nothing missing so far...";
175fi;
176
177if checkapp emaaaacs; then echo "emaaaacs found."; fi;
178sleep 1;
179if ! displayMissing 1>/dev/null 2>&1; then
180 echo "Something is missing!";
181 displayMissing;
182fi;
183#==END sample code==
184
185# Author: Steven Baltaktei Sandoval
186# License: GPLv3+