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: 0.0.1
   7
   8 # Adjust me
   9 strCreator="Steven Baltakatei Sandoval";
  10 strCreatorURL="https://baltakatei.com";
  11 strTerms="This work is licensed to the public under the Creative Commons Attribution-ShareAlike license http://creativecommons.org/licenses/by-sa/4.0/ .";
  12 strLicenseURL="http://creativecommons.org/licenses/by-sa/4.0/";
  13
  14 yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
  15 die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
  16 must() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
  17 main() {
  18     declare -a cmd_args;
  19     file_in="$1";
  20
  21     # Check plumbing
  22     if [[ ! -f "$1" ]]; then die "FATAL:Not a file:$1"; fi;
  23
  24     # Check file
  25     # Check if exiftool recognizes the file format
  26     if ! exiftool -s -FileType "$file_in" 1>/dev/null; then
  27         yell "ERROR:File type not recognized by exiftool:$file_in";
  28     fi;
  29
  30     # Change file metadata
  31     unset cmd_args;
  32     cmd_args+=("exiftool");
  33     # cmd_args+=("-overwrite_original"); # hashtag reckless
  34
  35     value="$strTerms";
  36     cmd_args+=("-XMP-dc:Rights=""$value"); unset value;
  37
  38     value="True";
  39     cmd_args+=("-XMP-xmpRights:Marked=""$value"); unset value;
  40
  41     value="$strTerms";
  42     cmd_args+=("-XMP-xmpRights:UsageTerms=""$value"); unset value;
  43
  44     value="$strLicenseURL";
  45     cmd_args+=("-XMP-cc:license=""$value"); unset value;
  46
  47     value="$strCreator";
  48     cmd_args+=("-XMP-cc:AttributionName=""$value"); unset value;
  49
  50     value="$strCreatorURL";
  51     cmd_args+=("-XMP-cc:AttributionURL=""$value"); unset value;
  52
  53     cmd_args+=("$file_in");
  54
  55     # Execute command
  56     "${cmd_args[@]}";
  57 }; # main program
  58
  59 main "$@";
  60
  61