style(u/bk_export_audio.sh):Minor comment
[BK-2020-03.git] / unitproc / bktemp-checkAppFileDir
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65567c48 1#!/bin/bash
3d2d59ee 2# Desc: Checks that apps, files, or dirs exist.
9367c58e 3
65567c48 4#==BEGIN Define script parameters==
2928a8e4 5#===BEGIN Define variables===
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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
2928a8e4 9#===END Define variables===
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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 ...
3d2d59ee 15 # Version: 0.1.1
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16 # Input: global assoc. array 'appRollCall'
17 # Output: adds/updates key(value) to global assoc array 'appRollCall'
3d2d59ee 18 # Depends: bash 5.0.3
65567c48 19 local returnState
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20
21 #===Process Args===
22 for arg in "$@"; do
0733880e 23 if command -v "$arg" 1>/dev/null 2>&1; then # Check if arg is a valid command
65567c48 24 appRollCall[$arg]="true";
3d2d59ee 25 if ! [ "$returnState" = "false" ]; then returnState="true"; fi;
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26 else
27 appRollCall[$arg]="false"; returnState="false";
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28 fi;
29 done;
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30
31 #===Determine function return code===
32 if [ "$returnState" = "true" ]; then
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33 return 0;
34 else
65567c48 35 return 1;
3d2d59ee 36 fi;
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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 ...
3d2d59ee 41 # Version: 0.1.1
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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
3d2d59ee 45 # Depends: bash 5.0.3
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46 local returnState
47
48 #===Process Args===
49 for arg in "$@"; do
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50 if [ -f "$arg" ]; then
51 fileRollCall["$arg"]="true";
3d2d59ee 52 if ! [ "$returnState" = "false" ]; then returnState="true"; fi;
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53 else
54 fileRollCall["$arg"]="false"; returnState="false";
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55 fi;
56 done;
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57
58 #===Determine function return code===
59 if [ "$returnState" = "true" ]; then
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60 return 0;
61 else
65567c48 62 return 1;
3d2d59ee 63 fi;
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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 ...
b700f6ff 68 # Version 0.1.2
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69 # Input: global assoc. array 'dirRollCall'
70 # Output: adds/updates key(value) to global assoc array 'dirRollCall';
b700f6ff 71 # Output: returns 0 if all args are dirs; 1 otherwise
3d2d59ee 72 # Depends: Bash 5.0.3
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73 local returnState
74
75 #===Process Args===
76 for arg in "$@"; do
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77 if [ -z "$arg" ]; then
78 dirRollCall["(Unspecified Dirname(s))"]="false"; returnState="false";
79 elif [ -d "$arg" ]; then
65567c48 80 dirRollCall["$arg"]="true";
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81 if ! [ "$returnState" = "false" ]; then returnState="true"; fi
82 else
83 dirRollCall["$arg"]="false"; returnState="false";
84 fi
85 done
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86
87 #===Determine function return code===
88 if [ "$returnState" = "true" ]; then
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89 return 0;
90 else
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91 return 1;
92 fi
93} # Check that dir exists
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94displayMissing() {
95 # Desc: Displays missing apps, files, and dirs
96 # Usage: displayMissing
3d2d59ee 97 # Version 0.1.1
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98 # Input: associative arrays: appRollCall, fileRollCall, dirRollCall
99 # Output: stderr: messages indicating missing apps, file, or dirs
100 # Depends: bash 5, checkAppFileDir()
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101 local missingApps value appMissing missingFiles fileMissing
102 local missingDirs dirMissing
103
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104 #==BEGIN Display errors==
105 #===BEGIN Display Missing Apps===
3d2d59ee 106 missingApps="Missing apps :";
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107 #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done
108 for key in "${!appRollCall[@]}"; do
3d2d59ee 109 value="${appRollCall[$key]}";
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110 if [ "$value" = "false" ]; then
111 #echo "DEBUG:Missing apps: $key => $value";
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112 missingApps="$missingApps""$key ";
113 appMissing="true";
114 fi;
115 done;
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116 if [ "$appMissing" = "true" ]; then # Only indicate if an app is missing.
117 echo "$missingApps" 1>&2;
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118 fi;
119 unset value;
61b9303c 120 #===END Display Missing Apps===
65567c48 121
61b9303c 122 #===BEGIN Display Missing Files===
3d2d59ee 123 missingFiles="Missing files:";
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124 #for key in "${!fileRollCall[@]}"; do echo "DEBUG:$key => ${fileRollCall[$key]}"; done
125 for key in "${!fileRollCall[@]}"; do
3d2d59ee 126 value="${fileRollCall[$key]}";
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127 if [ "$value" = "false" ]; then
128 #echo "DEBUG:Missing files: $key => $value";
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129 missingFiles="$missingFiles""$key ";
130 fileMissing="true";
131 fi;
132 done;
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133 if [ "$fileMissing" = "true" ]; then # Only indicate if an app is missing.
134 echo "$missingFiles" 1>&2;
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135 fi;
136 unset value;
61b9303c 137 #===END Display Missing Files===
65567c48 138
61b9303c 139 #===BEGIN Display Missing Directories===
3d2d59ee 140 missingDirs="Missing dirs:";
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141 #for key in "${!dirRollCall[@]}"; do echo "DEBUG:$key => ${dirRollCall[$key]}"; done
142 for key in "${!dirRollCall[@]}"; do
3d2d59ee 143 value="${dirRollCall[$key]}";
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144 if [ "$value" = "false" ]; then
145 #echo "DEBUG:Missing dirs: $key => $value";
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146 missingDirs="$missingDirs""$key ";
147 dirMissing="true";
148 fi;
149 done;
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150 if [ "$dirMissing" = "true" ]; then # Only indicate if an dir is missing.
151 echo "$missingDirs" 1>&2;
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152 fi;
153 unset value;
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154 #===END Display Missing Directories===
155
156 #==END Display errors==
157} # Display missing apps, files, dirs
158
159#===END Declare local script functions===
160#==END Define script parameters==
65567c48 161
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162#==BEGIN sample code==
163if checkapp cat; then echo "cat found."; fi;
164if checkapp gpg; then echo "gpg found."; fi;
165if checkapp emaaaacs; then echo "emaaaacs found."; fi;
166sleep 1;
167displayMissing;
168#==END sample code==
65567c48 169
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170# Author: Steven Baltaktei Sandoval
171# License: GPLv3+