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3 changed files with 17 additions and 64 deletions

2
.gitignore vendored
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@ -1,5 +1,3 @@
*~
\#*
.\#*
*.swp
*.vcf

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@ -1,17 +0,0 @@
# VCF Compressor
A simple bash script that compress images inside a vCard 3.0.
## Requirements
* bash
* imagemagick
## Further reading
* [vCard on Wikipedia](https://en.wikipedia.org/wiki/VCard)
* vCard 3.0: [RFC 2425](https://tools.ietf.org/html/rfc2425) and [RFC 2426](https://tools.ietf.org/html/rfc2426)
* vCard 4.0: [RFC 6350](https://tools.ietf.org/html/rfc6350)
* CardDAV: [RFC 6352](https://tools.ietf.org/html/rfc6352)

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@ -29,46 +29,21 @@ usage () {
echo ""
echo "Options:"
echo " -o, --output"
echo " --version"
echo " -v, --verbose"
echo " -V, --version"
echo " -h, --help"
exit "$exit_status"
}
raw_img () {
line="$1"
echo "$line" | cut -d ":" -f2 | base64 -d
}
compress_photo () {
line="$1"
max_width="300"
max_height="300"
prefix=$(echo "$line" | cut -d ":" -f1)
width=$(raw_img "$line" | identify -format '%w' -)
height=$(raw_img "$line" | identify -format '%h' -)
if [ "$width" -gt "$max_width" ] || [ "$height" -gt "$max_height" ] ; then
picture=$(raw_img "$line" | convert "-" -quality 50 -resize "${max_width}x${max_height}>" "-" | base64 -w0)
echo "$prefix:$picture"
else
echo "$line"
fi
}
process_line () {
line="$1"
echo "$line" | egrep "^PHOTO;" | grep ";ENCODING=b;" >/dev/null 2>&1
if [ $? -eq 0 ]; then
compress_photo "$line"
else
echo "$line"
echo_verbose () {
if [ $verbose -gt 0 ]; then
echo "$@"
fi
}
input_file=""
output_file=""
verbose=0
while :; do
test $# -gt 0 || break
@ -82,7 +57,11 @@ while :; do
usage
fi
;;
--version)
-v|--verbose)
verbose=1
shift
;;
-V|--version)
version
;;
-h|--help)
@ -100,19 +79,12 @@ while :; do
esac
done
test -z "$input_file" && usage
if [ ! -f "$input_file" ]; then
echo "$input_file: file not found"
exit 1
fi
if [ -z "$output_file" ]; then
dir=$(dirname "$input_file")
name=$(basename "$input_file" ".vcf")
output_file="$dir/$name.new.vcf"
fi
echo -n > "$output_file"
while IFS='' read -r line || [[ -n "$line" ]]; do
line=$(process_line "$line")
echo "$line" >> "$output_file"
done < "$input_file"
echo "in: $input_file"
echo "out: $output_file"
echo_verbose "verbose mode on"