Commit | Line | Data |
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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=== |
65567c48 SBS |
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 | |
2928a8e4 | 9 | #===END Define variables=== |
65567c48 SBS |
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 ... | |
3d2d59ee | 15 | # Version: 0.1.1 |
65567c48 SBS |
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 |
65567c48 SBS |
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; |
65567c48 SBS |
26 | else |
27 | appRollCall[$arg]="false"; returnState="false"; | |
3d2d59ee SBS |
28 | fi; |
29 | done; | |
65567c48 SBS |
30 | |
31 | #===Determine function return code=== | |
32 | if [ "$returnState" = "true" ]; then | |
65567c48 SBS |
33 | return 0; |
34 | else | |
65567c48 | 35 | return 1; |
3d2d59ee | 36 | fi; |
65567c48 SBS |
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 ... | |
3d2d59ee | 41 | # Version: 0.1.1 |
65567c48 SBS |
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 |
65567c48 SBS |
46 | local returnState |
47 | ||
48 | #===Process Args=== | |
49 | for arg in "$@"; do | |
65567c48 SBS |
50 | if [ -f "$arg" ]; then |
51 | fileRollCall["$arg"]="true"; | |
3d2d59ee | 52 | if ! [ "$returnState" = "false" ]; then returnState="true"; fi; |
65567c48 SBS |
53 | else |
54 | fileRollCall["$arg"]="false"; returnState="false"; | |
3d2d59ee SBS |
55 | fi; |
56 | done; | |
65567c48 SBS |
57 | |
58 | #===Determine function return code=== | |
59 | if [ "$returnState" = "true" ]; then | |
65567c48 SBS |
60 | return 0; |
61 | else | |
65567c48 | 62 | return 1; |
3d2d59ee | 63 | fi; |
65567c48 SBS |
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 ... | |
b700f6ff | 68 | # Version 0.1.2 |
65567c48 SBS |
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 |
65567c48 SBS |
73 | local returnState |
74 | ||
75 | #===Process Args=== | |
76 | for arg in "$@"; do | |
b700f6ff SBS |
77 | if [ -z "$arg" ]; then |
78 | dirRollCall["(Unspecified Dirname(s))"]="false"; returnState="false"; | |
79 | elif [ -d "$arg" ]; then | |
65567c48 | 80 | dirRollCall["$arg"]="true"; |
65567c48 SBS |
81 | if ! [ "$returnState" = "false" ]; then returnState="true"; fi |
82 | else | |
83 | dirRollCall["$arg"]="false"; returnState="false"; | |
84 | fi | |
85 | done | |
65567c48 SBS |
86 | |
87 | #===Determine function return code=== | |
88 | if [ "$returnState" = "true" ]; then | |
65567c48 SBS |
89 | return 0; |
90 | else | |
65567c48 SBS |
91 | return 1; |
92 | fi | |
93 | } # Check that dir exists | |
61b9303c SBS |
94 | displayMissing() { |
95 | # Desc: Displays missing apps, files, and dirs | |
96 | # Usage: displayMissing | |
b8f798aa | 97 | # Version 1.0.0 |
61b9303c SBS |
98 | # Input: associative arrays: appRollCall, fileRollCall, dirRollCall |
99 | # Output: stderr: messages indicating missing apps, file, or dirs | |
b8f798aa | 100 | # Output: returns exit code 0 if nothing missing; 1 otherwise |
61b9303c | 101 | # Depends: bash 5, checkAppFileDir() |
3d2d59ee SBS |
102 | local missingApps value appMissing missingFiles fileMissing |
103 | local missingDirs dirMissing | |
b8f798aa | 104 | |
61b9303c SBS |
105 | #==BEGIN Display errors== |
106 | #===BEGIN Display Missing Apps=== | |
3d2d59ee | 107 | missingApps="Missing apps :"; |
61b9303c SBS |
108 | #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done |
109 | for key in "${!appRollCall[@]}"; do | |
3d2d59ee | 110 | value="${appRollCall[$key]}"; |
61b9303c SBS |
111 | if [ "$value" = "false" ]; then |
112 | #echo "DEBUG:Missing apps: $key => $value"; | |
3d2d59ee SBS |
113 | missingApps="$missingApps""$key "; |
114 | appMissing="true"; | |
115 | fi; | |
116 | done; | |
61b9303c SBS |
117 | if [ "$appMissing" = "true" ]; then # Only indicate if an app is missing. |
118 | echo "$missingApps" 1>&2; | |
3d2d59ee SBS |
119 | fi; |
120 | unset value; | |
61b9303c | 121 | #===END Display Missing Apps=== |
65567c48 | 122 | |
61b9303c | 123 | #===BEGIN Display Missing Files=== |
3d2d59ee | 124 | missingFiles="Missing files:"; |
61b9303c SBS |
125 | #for key in "${!fileRollCall[@]}"; do echo "DEBUG:$key => ${fileRollCall[$key]}"; done |
126 | for key in "${!fileRollCall[@]}"; do | |
3d2d59ee | 127 | value="${fileRollCall[$key]}"; |
61b9303c SBS |
128 | if [ "$value" = "false" ]; then |
129 | #echo "DEBUG:Missing files: $key => $value"; | |
3d2d59ee SBS |
130 | missingFiles="$missingFiles""$key "; |
131 | fileMissing="true"; | |
132 | fi; | |
133 | done; | |
61b9303c SBS |
134 | if [ "$fileMissing" = "true" ]; then # Only indicate if an app is missing. |
135 | echo "$missingFiles" 1>&2; | |
3d2d59ee SBS |
136 | fi; |
137 | unset value; | |
61b9303c | 138 | #===END Display Missing Files=== |
65567c48 | 139 | |
61b9303c | 140 | #===BEGIN Display Missing Directories=== |
3d2d59ee | 141 | missingDirs="Missing dirs:"; |
61b9303c SBS |
142 | #for key in "${!dirRollCall[@]}"; do echo "DEBUG:$key => ${dirRollCall[$key]}"; done |
143 | for key in "${!dirRollCall[@]}"; do | |
3d2d59ee | 144 | value="${dirRollCall[$key]}"; |
61b9303c SBS |
145 | if [ "$value" = "false" ]; then |
146 | #echo "DEBUG:Missing dirs: $key => $value"; | |
3d2d59ee SBS |
147 | missingDirs="$missingDirs""$key "; |
148 | dirMissing="true"; | |
149 | fi; | |
150 | done; | |
61b9303c SBS |
151 | if [ "$dirMissing" = "true" ]; then # Only indicate if an dir is missing. |
152 | echo "$missingDirs" 1>&2; | |
3d2d59ee SBS |
153 | fi; |
154 | unset value; | |
61b9303c SBS |
155 | #===END Display Missing Directories=== |
156 | ||
157 | #==END Display errors== | |
b8f798aa SBS |
158 | #==BEGIN Determine function return code=== |
159 | if [ "$appMissing" == "true" ] || [ "$fileMissing" == "true" ] || [ "$dirMissing" == "true" ]; then | |
160 | return 1; | |
161 | else | |
162 | return 0; | |
163 | fi | |
164 | #==END Determine function return code=== | |
61b9303c SBS |
165 | } # Display missing apps, files, dirs |
166 | ||
167 | #===END Declare local script functions=== | |
168 | #==END Define script parameters== | |
65567c48 | 169 | |
61b9303c SBS |
170 | #==BEGIN sample code== |
171 | if checkapp cat; then echo "cat found."; fi; | |
172 | if checkapp gpg; then echo "gpg found."; fi; | |
b8f798aa SBS |
173 | if displayMissing 1>/dev/null 2>&1; then |
174 | echo "Nothing missing so far..."; | |
175 | fi; | |
176 | ||
61b9303c SBS |
177 | if checkapp emaaaacs; then echo "emaaaacs found."; fi; |
178 | sleep 1; | |
b8f798aa SBS |
179 | if ! displayMissing 1>/dev/null 2>&1; then |
180 | echo "Something is missing!"; | |
181 | displayMissing; | |
182 | fi; | |
61b9303c | 183 | #==END sample code== |
65567c48 | 184 | |
61b9303c SBS |
185 | # Author: Steven Baltaktei Sandoval |
186 | # License: GPLv3+ |