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65567c48 SBS |
1 | #!/bin/bash |
2 | ||
9367c58e SBS |
3 | # Desc: Template to check that apps, files, or dirs exist. |
4 | # Author: Steven Baltaktei Sandoval | |
5 | # License: GPLv3+ | |
6 | ||
65567c48 SBS |
7 | #==BEGIN Define script parameters== |
8 | declare -Ag appRollCall # Associative array for storing app status | |
9 | declare -Ag fileRollCall # Associative array for storing file status | |
10 | declare -Ag dirRollCall # Associative array for storing dir status | |
11 | ||
12 | #===BEGIN Declare local script functions=== | |
13 | checkapp() { | |
14 | # Desc: If arg is a command, save result in assoc array 'appRollCall' | |
15 | # Usage: checkapp arg1 arg2 arg3 ... | |
16 | # Input: global assoc. array 'appRollCall' | |
17 | # Output: adds/updates key(value) to global assoc array 'appRollCall' | |
18 | local returnState | |
19 | #echo "DEBUG:$(date +%S.%N)..Starting checkapp function." | |
20 | #echo "DEBUG:args: $@" | |
21 | #echo "DEBUG:returnState:$returnState" | |
22 | ||
23 | #===Process Args=== | |
24 | for arg in "$@"; do | |
25 | #echo "DEBUG:processing arg:$arg" | |
0733880e | 26 | if command -v "$arg" 1>/dev/null 2>&1; then # Check if arg is a valid command |
65567c48 SBS |
27 | appRollCall[$arg]="true"; |
28 | #echo "DEBUG:appRollCall[$arg]:"${appRollCall[$arg]} | |
29 | if ! [ "$returnState" = "false" ]; then returnState="true"; fi | |
30 | else | |
31 | appRollCall[$arg]="false"; returnState="false"; | |
32 | fi | |
33 | done | |
34 | ||
35 | #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done | |
36 | #echo "DEBUG:evaluating returnstate. returnState:"$returnState | |
37 | ||
38 | #===Determine function return code=== | |
39 | if [ "$returnState" = "true" ]; then | |
40 | #echo "DEBUG:checkapp returns true for $arg"; | |
41 | return 0; | |
42 | else | |
43 | #echo "DEBUG:checkapp returns false for $arg"; | |
44 | return 1; | |
45 | fi | |
46 | } # Check that app exists | |
47 | checkfile() { | |
48 | # Desc: If arg is a file path, save result in assoc array 'fileRollCall' | |
49 | # Usage: checkfile arg1 arg2 arg3 ... | |
50 | # Input: global assoc. array 'fileRollCall' | |
51 | # Output: adds/updates key(value) to global assoc array 'fileRollCall'; | |
52 | # Output: returns 0 if app found, 1 otherwise | |
53 | local returnState | |
54 | ||
55 | #===Process Args=== | |
56 | for arg in "$@"; do | |
57 | #echo "DEBUG:processing arg:$arg" | |
58 | if [ -f "$arg" ]; then | |
59 | fileRollCall["$arg"]="true"; | |
60 | #echo "DEBUG:fileRollCall[\"$arg\"]:"${fileRollCall["$arg"]} | |
61 | if ! [ "$returnState" = "false" ]; then returnState="true"; fi | |
62 | else | |
63 | fileRollCall["$arg"]="false"; returnState="false"; | |
64 | fi | |
65 | done | |
66 | ||
67 | #for key in "${!fileRollCall[@]}"; do echo "DEBUG:fileRollCall key [$key] is:${fileRollCall[$key]}"; done | |
68 | #echo "DEBUG:evaluating returnstate. returnState:"$returnState | |
69 | ||
70 | #===Determine function return code=== | |
71 | if [ "$returnState" = "true" ]; then | |
72 | #echo "DEBUG:checkapp returns true for $arg"; | |
73 | return 0; | |
74 | else | |
75 | #echo "DEBUG:checkapp returns false for $arg"; | |
76 | return 1; | |
77 | fi | |
78 | } # Check that file exists | |
79 | checkdir() { | |
80 | # Desc: If arg is a dir path, save result in assoc array 'dirRollCall' | |
81 | # Usage: checkdir arg1 arg2 arg3 ... | |
82 | # Input: global assoc. array 'dirRollCall' | |
83 | # Output: adds/updates key(value) to global assoc array 'dirRollCall'; | |
84 | # Output: returns 0 if app found, 1 otherwise | |
85 | local returnState | |
86 | ||
87 | #===Process Args=== | |
88 | for arg in "$@"; do | |
89 | #echo "DEBUG:processing arg:$arg" | |
90 | if [ -d "$arg" ]; then | |
91 | dirRollCall["$arg"]="true"; | |
92 | #echo "DEBUG:dirRollCall[\"$arg\"]:"${dirRollCall["$arg"]} | |
93 | if ! [ "$returnState" = "false" ]; then returnState="true"; fi | |
94 | else | |
95 | dirRollCall["$arg"]="false"; returnState="false"; | |
96 | fi | |
97 | done | |
98 | ||
99 | #for key in "${!dirRollCall[@]}"; do echo "DEBUG:dirRollCall key [$key] is:${dirRollCall[$key]}"; done | |
100 | #echo "DEBUG:evaluating returnstate. returnState:"$returnState | |
101 | ||
102 | #===Determine function return code=== | |
103 | if [ "$returnState" = "true" ]; then | |
104 | #echo "DEBUG:checkapp returns true for $arg"; | |
105 | return 0; | |
106 | else | |
107 | #echo "DEBUG:checkapp returns false for $arg"; | |
108 | return 1; | |
109 | fi | |
110 | } # Check that dir exists | |
111 | #===END Declare local script functions=== | |
112 | #==END Define script parameters== | |
113 | ||
114 | #==BEGIN sample code== | |
115 | if checkapp cat; then echo "cat found."; fi | |
116 | if checkapp gpg; then echo "gpg found."; fi | |
117 | if checkapp emaaaacs; then echo "emaaaacs found."; fi | |
118 | #==END sample code== | |
119 | ||
120 | #==BEGIN Display errors== | |
121 | #===BEGIN Display Missing Apps=== | |
122 | missingApps="Missing apps :" | |
123 | #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done | |
124 | for key in "${!appRollCall[@]}"; do | |
125 | value="${appRollCall[$key]}" | |
126 | if [ "$value" = "false" ]; then | |
127 | #echo "DEBUG:Missing apps: $key => $value"; | |
128 | missingApps="$missingApps""$key " | |
129 | appMissing="true" | |
130 | fi | |
131 | done | |
132 | if [ "$appMissing" = "true" ]; then # Only indicate if an app is missing. | |
133 | echo "$missingApps" 1>&2; | |
134 | fi | |
135 | #===END Display Missing Apps=== | |
136 | ||
137 | #===BEGIN Display Missing Files=== | |
138 | missingFiles="Missing files:" | |
139 | #for key in "${!fileRollCall[@]}"; do echo "DEBUG:$key => ${fileRollCall[$key]}"; done | |
140 | for key in "${!fileRollCall[@]}"; do | |
141 | value="${fileRollCall[$key]}" | |
142 | if [ "$value" = "false" ]; then | |
143 | #echo "DEBUG:Missing files: $key => $value"; | |
144 | missingFiles="$missingFiles""$key " | |
145 | fileMissing="true" | |
146 | fi | |
147 | done | |
148 | if [ "$fileMissing" = "true" ]; then # Only indicate if an app is missing. | |
149 | echo "$missingFiles" 1>&2; | |
150 | fi | |
151 | #===END Display Missing Files=== | |
152 | ||
153 | #===BEGIN Display Missing Directories=== | |
154 | missingDirs="Missing dirs:" | |
155 | #for key in "${!dirRollCall[@]}"; do echo "DEBUG:$key => ${dirRollCall[$key]}"; done | |
156 | for key in "${!dirRollCall[@]}"; do | |
157 | value="${dirRollCall[$key]}" | |
158 | if [ "$value" = "false" ]; then | |
159 | #echo "DEBUG:Missing dirs: $key => $value"; | |
160 | missingDirs="$missingDirs""$key " | |
161 | dirMissing="true" | |
162 | fi | |
163 | done | |
164 | if [ "$dirMissing" = "true" ]; then # Only indicate if an dir is missing. | |
165 | echo "$missingDirs" 1>&2; | |
166 | fi | |
167 | #===END Display Missing Directories=== | |
168 | ||
169 | #===BEGIN Display Failed Functions=== | |
170 | if [ ${#failedFunctions} -gt 0 ]; then # Only indicate if an function failed. | |
171 | echo "Failed functions:${failedFunctions[@]}" 1>&2; | |
172 | fi | |
173 | #===END Display Failed Functions=== | |
174 | ||
175 | #==END Display errors== |