| 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+ |