ffmprovisr/check_framemd5.sh
2016-07-10 15:01:00 +02:00

87 lines
2.1 KiB
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#!/usr/bin/env bash
SCRIPT=$(basename $0)
VERSION='2016-07-10'
AUTHOR='ffmprovisr'
RED='\033[1;31m'
BLUE='\033[1;34m'
NC='\033[0m'
output_prompt() {
cat <<END_OF_MSG
Usage: $SCRIPT [-h | <av_file> <md5_file>]
END_OF_MSG
}
output_version() {
cat <<END_OF_MSG
$SCRIPT $VERSION $AUTHOR
END_OF_MSG
}
output_help() {
cat <<END_OF_MSG
Syntax:
$SCRIPT
Prompts a short help message.
$SCRIPT -h
This help.
$SCRIPT <av_file> <md5_file>
Pass to the script the audio-visual file and the corresponding MD5
file to check.
Dependency:
ffmpeg
END_OF_MSG
}
if [ ! $(which diff) ] ; then
echo -e "${RED}ERROR:${NC} diff is not installed by default. Please install diffutils from Cygwin."
exit 1
fi
if [ "$#" -eq 0 ]; then
output_prompt
exit 0
elif [ "$#" -eq 1 ]; then
if [ "$1" == '-h' ]; then
output_help
exit 0
elif [ "$1" == '-v' ]; then
output_version
exit 0
else
echo -e "${RED}ERROR:${NC} '$1' is an invalid argument."
output_prompt
exit 1
fi
elif [ "$#" -eq 2 ]; then
if ! [ -f "$1" ]; then
echo -e "${RED}ERROR:${NC} There is no file '$(basename $1)'."
output_prompt
exit 1
elif ! [ -f "$2" ]; then
echo -e "${RED}ERROR:${NC} There is no file '$(basename $2)'."
output_prompt
exit 1
else
if [[ $OSTYPE == "cygwin" ]]; then
md5_tmp=""$USERPROFILE/$(basename $2).tmp""
else
md5_tmp="$HOME/$(basename $2).tmp"
fi
$(ffmpeg -y -i $1 -loglevel 0 -f framemd5 -an $md5_tmp)
old_file=$(grep -v '^#' $2)
tmp_file=$(grep -v '^#' $md5_tmp)
if [ "$old_file" = "$tmp_file" ]; then
echo -e "${BLUE}OK${NC} '$(basename $1)' matches '$(basename $2)'."
else
echo -e "${RED}ERROR:${NC} The following differences were detected between '$(basename $1)' and '$(basename $2)':"
diff "$2" "$md5_tmp"
fi
rm "$md5_tmp"
fi
else
echo -e "${RED}ERROR:${NC} Too many arguments."
output_prompt
exit 1
fi