2885143d58
The conditions used to determine whether or not an image have to be processed depending on its size were boggus. This commit fixes the issue, images are now processed as they should.
118 lines
2.8 KiB
Bash
Executable file
118 lines
2.8 KiB
Bash
Executable file
#!/bin/bash
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## Copyright (c) 2015 Rodolphe Breard
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##
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## This program is free software: you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program. If not, see <http://www.gnu.org/licenses/>.
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##
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set -euo pipefail
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IFS=$'\n\t'
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version () {
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echo "VCF Compressor 0.1.0-dev"
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exit 0
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}
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usage () {
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exit_status="${1:-1}"
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echo "Usage: vcf_compressor [OPTION]... VCF_FILE"
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echo ""
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echo "Options:"
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echo " -o, --output"
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echo " --version"
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echo " -h, --help"
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exit "$exit_status"
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}
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raw_img () {
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line="$1"
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echo "$line" | cut -d ":" -f2 | base64 -d
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}
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compress_photo () {
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line="$1"
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max_width="300"
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max_height="300"
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prefix=$(echo "$line" | cut -d ":" -f1)
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width=$(raw_img "$line" | identify -format '%w' -)
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height=$(raw_img "$line" | identify -format '%h' -)
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if [ "$width" -gt "$max_width" ] || [ "$height" -gt "$max_height" ] ; then
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picture=$(raw_img "$line" | convert "-" -quality 50 -resize "${max_width}x${max_height}>" "-" | base64 -w0)
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echo "$prefix:$picture"
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else
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echo "$line"
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fi
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}
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process_line () {
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line="$1"
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echo "$line" | egrep "^PHOTO;" | grep ";ENCODING=b;" >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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compress_photo "$line"
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else
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echo "$line"
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fi
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}
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input_file=""
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output_file=""
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while :; do
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test $# -gt 0 || break
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case "$1" in
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-o|--output)
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if [ -n "$2" ]; then
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output_file="$2"
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shift 2
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continue
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else
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usage
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fi
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;;
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--version)
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version
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;;
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-h|--help)
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usage 0
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;;
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*)
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if [ -z "$input_file" ]; then
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input_file="$1"
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shift
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continue
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else
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usage
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fi
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;;
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esac
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done
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test -z "$input_file" && usage
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if [ ! -f "$input_file" ]; then
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echo "$input_file: file not found"
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exit 1
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fi
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if [ -z "$output_file" ]; then
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dir=$(dirname "$input_file")
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name=$(basename "$input_file" ".vcf")
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output_file="$dir/$name.new.vcf"
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fi
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echo -n > "$output_file"
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while IFS='' read -r line || [[ -n "$line" ]]; do
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line=$(process_line "$line")
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echo "$line" >> "$output_file"
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done < "$input_file"
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