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+