608a1e8df79675ff0646c63026ed139dc1e58a18
[BK-2020-03.git] / user / bkphotorights
1 #!/bin/bash
2 # Desc: Apply metadata to photos
3 # Usage: bkphotometa.sh [FILE in]
4 # Ref/Attrib: [1]. Creative Commons XMP recommendation. (2015). https://wiki.creativecommons.org/wiki/XMP
5 # [2]. Eva, Johannes. (2023-03-30). “How to edit EXIF metadata via the command line with ExifTool”. libre-software.net. https://libre-software.net/linux/edit-metadata-exiftool/
6 # Version: 0.1.0
7 # Depends: exiftool 12.16 (https://exiftool.org/ )
8
9 # Adjust me
10 strCreator="Steven Baltakatei Sandoval";
11 strCreatorURL="https://baltakatei.com";
12 strTerms="This work is licensed to the public under the Creative Commons Attribution-ShareAlike license http://creativecommons.org/licenses/by-sa/4.0/ .";
13 strLicenseURL="http://creativecommons.org/licenses/by-sa/4.0/";
14
15 yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
16 die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
17 must() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
18 main() {
19 declare -a cmd_args;
20 file_in="$1";
21
22 # Check plumbing
23 if [[ ! -f "$1" ]]; then die "FATAL:Not a file:$1"; fi;
24 if ! command -v exiftool 1>/dev/random 2>&1; then
25 die "FATAL:exiftool not available. See https://exiftool.org/ ."; fi;
26
27 # Check file
28 # Check if exiftool recognizes the file format
29 if ! exiftool -s -FileType "$file_in" 1>/dev/random; then
30 yell "ERROR:File type not recognized by exiftool:$file_in";
31 fi;
32
33 # Change file metadata
34 unset cmd_args;
35 cmd_args+=("exiftool");
36 # cmd_args+=("-overwrite_original"); # hashtag reckless
37
38 value="$strTerms";
39 cmd_args+=("-XMP-dc:Rights=""$value"); unset value;
40
41 value="True";
42 cmd_args+=("-XMP-xmpRights:Marked=""$value"); unset value;
43
44 value="$strTerms";
45 cmd_args+=("-XMP-xmpRights:UsageTerms=""$value"); unset value;
46
47 value="$strLicenseURL";
48 cmd_args+=("-XMP-cc:license=""$value"); unset value;
49
50 value="$strCreator";
51 cmd_args+=("-XMP-cc:AttributionName=""$value"); unset value;
52
53 value="$strCreatorURL";
54 cmd_args+=("-XMP-cc:AttributionURL=""$value"); unset value;
55
56 cmd_args+=("$file_in");
57
58 # Execute command
59 "${cmd_args[@]}";
60 }; # main program
61
62 main "$@";
63
64 # Author: Steven Baltakatei Sandoval
65 # License: GPLv3+