user/bkphotorights

   1 #!/usr/bin/env 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: 0.1.1
   7 # Depends: * exiftool 12.16 (https://exiftool.org/ )
   8 #          * bash 5.1.16
   9
  10 # Adjust me
  11 strCreator="Steven Baltakatei Sandoval";
  12 strCreatorURL="https://baltakatei.com";
  13 strTerms="This work is licensed to the public under the Creative Commons Attribution-ShareAlike license http://creativecommons.org/licenses/by-sa/4.0/ .";
  14 strLicenseURL="http://creativecommons.org/licenses/by-sa/4.0/";
  15
  16 yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
  17 die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
  18 must() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
  19 main() {
  20     declare -a cmd_args;
  21     file_in="$1";
  22
  23     # Check plumbing
  24     if [[ ! -f "$1" ]]; then die "FATAL:Not a file:$1"; fi;
  25     if ! command -v exiftool 1>/dev/random 2>&1; then
  26         die "FATAL:exiftool not available. See https://exiftool.org/ ."; fi;
  27
  28     # Check file
  29     # Check if exiftool recognizes the file format
  30     if ! exiftool -s -FileType "$file_in" 1>/dev/random; then
  31         yell "ERROR:File type not recognized by exiftool:$file_in";
  32     fi;
  33
  34     # Change file metadata
  35     unset cmd_args;
  36     cmd_args+=("exiftool");
  37     # cmd_args+=("-overwrite_original"); # hashtag reckless
  38
  39     value="$strTerms";
  40     cmd_args+=("-XMP-dc:Rights=""$value"); unset value;
  41
  42     value="True";
  43     cmd_args+=("-XMP-xmpRights:Marked=""$value"); unset value;
  44
  45     value="$strTerms";
  46     cmd_args+=("-XMP-xmpRights:UsageTerms=""$value"); unset value;
  47
  48     value="$strLicenseURL";
  49     cmd_args+=("-XMP-cc:license=""$value"); unset value;
  50
  51     value="$strCreator";
  52     cmd_args+=("-XMP-cc:AttributionName=""$value"); unset value;
  53
  54     value="$strCreatorURL";
  55     cmd_args+=("-XMP-cc:AttributionURL=""$value"); unset value;
  56
  57     cmd_args+=("$file_in");
  58
  59     # Execute command
  60     "${cmd_args[@]}";
  61 }; # main program
  62
  63 main "$@";
  64
  65 # Author: Steven Baltakatei Sandoval
  66 # License: GPLv3+