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 ... | |
d7ffba91 | 41 | # Version: 0.1.2 |
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; |
d7ffba91 SBS |
53 | elif [ -z "$arg" ]; then |
54 | fileRollCall["(no name)"]="false"; returnState="false"; | |
65567c48 SBS |
55 | else |
56 | fileRollCall["$arg"]="false"; returnState="false"; | |
3d2d59ee SBS |
57 | fi; |
58 | done; | |
65567c48 SBS |
59 | |
60 | #===Determine function return code=== | |
61 | if [ "$returnState" = "true" ]; then | |
65567c48 SBS |
62 | return 0; |
63 | else | |
65567c48 | 64 | return 1; |
3d2d59ee | 65 | fi; |
65567c48 SBS |
66 | } # Check that file exists |
67 | checkdir() { | |
68 | # Desc: If arg is a dir path, save result in assoc array 'dirRollCall' | |
69 | # Usage: checkdir arg1 arg2 arg3 ... | |
b700f6ff | 70 | # Version 0.1.2 |
65567c48 SBS |
71 | # Input: global assoc. array 'dirRollCall' |
72 | # Output: adds/updates key(value) to global assoc array 'dirRollCall'; | |
b700f6ff | 73 | # Output: returns 0 if all args are dirs; 1 otherwise |
3d2d59ee | 74 | # Depends: Bash 5.0.3 |
65567c48 SBS |
75 | local returnState |
76 | ||
77 | #===Process Args=== | |
78 | for arg in "$@"; do | |
b700f6ff SBS |
79 | if [ -z "$arg" ]; then |
80 | dirRollCall["(Unspecified Dirname(s))"]="false"; returnState="false"; | |
81 | elif [ -d "$arg" ]; then | |
65567c48 | 82 | dirRollCall["$arg"]="true"; |
65567c48 SBS |
83 | if ! [ "$returnState" = "false" ]; then returnState="true"; fi |
84 | else | |
85 | dirRollCall["$arg"]="false"; returnState="false"; | |
86 | fi | |
87 | done | |
65567c48 SBS |
88 | |
89 | #===Determine function return code=== | |
90 | if [ "$returnState" = "true" ]; then | |
65567c48 SBS |
91 | return 0; |
92 | else | |
65567c48 SBS |
93 | return 1; |
94 | fi | |
95 | } # Check that dir exists | |
61b9303c SBS |
96 | displayMissing() { |
97 | # Desc: Displays missing apps, files, and dirs | |
98 | # Usage: displayMissing | |
b8f798aa | 99 | # Version 1.0.0 |
61b9303c SBS |
100 | # Input: associative arrays: appRollCall, fileRollCall, dirRollCall |
101 | # Output: stderr: messages indicating missing apps, file, or dirs | |
b8f798aa | 102 | # Output: returns exit code 0 if nothing missing; 1 otherwise |
61b9303c | 103 | # Depends: bash 5, checkAppFileDir() |
3d2d59ee SBS |
104 | local missingApps value appMissing missingFiles fileMissing |
105 | local missingDirs dirMissing | |
b8f798aa | 106 | |
61b9303c SBS |
107 | #==BEGIN Display errors== |
108 | #===BEGIN Display Missing Apps=== | |
3d2d59ee | 109 | missingApps="Missing apps :"; |
61b9303c SBS |
110 | #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done |
111 | for key in "${!appRollCall[@]}"; do | |
3d2d59ee | 112 | value="${appRollCall[$key]}"; |
61b9303c SBS |
113 | if [ "$value" = "false" ]; then |
114 | #echo "DEBUG:Missing apps: $key => $value"; | |
3d2d59ee SBS |
115 | missingApps="$missingApps""$key "; |
116 | appMissing="true"; | |
117 | fi; | |
118 | done; | |
61b9303c SBS |
119 | if [ "$appMissing" = "true" ]; then # Only indicate if an app is missing. |
120 | echo "$missingApps" 1>&2; | |
3d2d59ee SBS |
121 | fi; |
122 | unset value; | |
61b9303c | 123 | #===END Display Missing Apps=== |
65567c48 | 124 | |
61b9303c | 125 | #===BEGIN Display Missing Files=== |
3d2d59ee | 126 | missingFiles="Missing files:"; |
61b9303c SBS |
127 | #for key in "${!fileRollCall[@]}"; do echo "DEBUG:$key => ${fileRollCall[$key]}"; done |
128 | for key in "${!fileRollCall[@]}"; do | |
3d2d59ee | 129 | value="${fileRollCall[$key]}"; |
61b9303c SBS |
130 | if [ "$value" = "false" ]; then |
131 | #echo "DEBUG:Missing files: $key => $value"; | |
3d2d59ee SBS |
132 | missingFiles="$missingFiles""$key "; |
133 | fileMissing="true"; | |
134 | fi; | |
135 | done; | |
61b9303c SBS |
136 | if [ "$fileMissing" = "true" ]; then # Only indicate if an app is missing. |
137 | echo "$missingFiles" 1>&2; | |
3d2d59ee SBS |
138 | fi; |
139 | unset value; | |
61b9303c | 140 | #===END Display Missing Files=== |
65567c48 | 141 | |
61b9303c | 142 | #===BEGIN Display Missing Directories=== |
3d2d59ee | 143 | missingDirs="Missing dirs:"; |
61b9303c SBS |
144 | #for key in "${!dirRollCall[@]}"; do echo "DEBUG:$key => ${dirRollCall[$key]}"; done |
145 | for key in "${!dirRollCall[@]}"; do | |
3d2d59ee | 146 | value="${dirRollCall[$key]}"; |
61b9303c SBS |
147 | if [ "$value" = "false" ]; then |
148 | #echo "DEBUG:Missing dirs: $key => $value"; | |
3d2d59ee SBS |
149 | missingDirs="$missingDirs""$key "; |
150 | dirMissing="true"; | |
151 | fi; | |
152 | done; | |
61b9303c SBS |
153 | if [ "$dirMissing" = "true" ]; then # Only indicate if an dir is missing. |
154 | echo "$missingDirs" 1>&2; | |
3d2d59ee SBS |
155 | fi; |
156 | unset value; | |
61b9303c SBS |
157 | #===END Display Missing Directories=== |
158 | ||
159 | #==END Display errors== | |
b8f798aa SBS |
160 | #==BEGIN Determine function return code=== |
161 | if [ "$appMissing" == "true" ] || [ "$fileMissing" == "true" ] || [ "$dirMissing" == "true" ]; then | |
162 | return 1; | |
163 | else | |
164 | return 0; | |
165 | fi | |
166 | #==END Determine function return code=== | |
61b9303c SBS |
167 | } # Display missing apps, files, dirs |
168 | ||
169 | #===END Declare local script functions=== | |
170 | #==END Define script parameters== | |
65567c48 | 171 | |
61b9303c SBS |
172 | #==BEGIN sample code== |
173 | if checkapp cat; then echo "cat found."; fi; | |
174 | if checkapp gpg; then echo "gpg found."; fi; | |
b8f798aa SBS |
175 | if displayMissing 1>/dev/null 2>&1; then |
176 | echo "Nothing missing so far..."; | |
177 | fi; | |
178 | ||
61b9303c SBS |
179 | if checkapp emaaaacs; then echo "emaaaacs found."; fi; |
180 | sleep 1; | |
b8f798aa SBS |
181 | if ! displayMissing 1>/dev/null 2>&1; then |
182 | echo "Something is missing!"; | |
183 | displayMissing; | |
184 | fi; | |
d7ffba91 SBS |
185 | sleep 1; |
186 | myFile=""; if ! checkfile "$myFile"; then echo "An empty argument provided:$myFile"; displayMissing; fi; | |
61b9303c | 187 | #==END sample code== |
65567c48 | 188 | |
61b9303c SBS |
189 | # Author: Steven Baltaktei Sandoval |
190 | # License: GPLv3+ |