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getopts version

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- corrected testing order
- unset variables
- improved error handling
This commit is contained in:
Reto Kromer 2016-10-09 11:07:24 +02:00 committed by GitHub
parent 323da702c0
commit 537d6c54ff
1 changed files with 9 additions and 4 deletions
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13
check_framemd5.sh
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@ -1,6 +1,6 @@
#!/usr/bin/env bash #!/usr/bin/env bash
SCRIPT=$(basename "${0}") SCRIPT=$(basename "${0}")
VERSION='2016-10-08' VERSION='2016-10-09'
AUTHOR='ffmprovisr' AUTHOR='ffmprovisr'
RED='\033[1;31m' RED='\033[1;31m'
BLUE='\033[1;34m' BLUE='\033[1;34m'
@ -37,17 +37,20 @@ EOF
exit 0 exit 0
} }
unset input_file
unset input_hash
while getopts ":hi:m:" opt; do while getopts ":hi:m:" opt; do
case "${opt}" in case "${opt}" in
h) _output_help ;; h) _output_help ;;
i) input_file=$OPTARG ;; i) input_file=$OPTARG ;;
m) input_hash=$OPTARG ;; m) input_hash=$OPTARG ;;
*) echo -e "${RED}Error:${NC }bad option -${OPTARG}" ; _output_prompt ;;
:) echo -e "${RED}Error:${NC} option -${OPTARG} requires an argument" ; _output_prompt ;; :) echo -e "${RED}Error:${NC} option -${OPTARG} requires an argument" ; _output_prompt ;;
*) echo -e "${RED}Error:${NC }bad option -${OPTARG}" ; _output_prompt ;;
esac esac
done done
[ -z "${@}" ] && _output_prompt [[ -z "${#}" || ! ${input_file} || ! ${input_hash} ]] && _output_prompt
echo -e "${BLUE}Please wait...${NC}" echo -e "${BLUE}Please wait...${NC}"
unset md5_tmp unset md5_tmp
if [[ $OSTYPE = "cygwin" ]]; then if [[ $OSTYPE = "cygwin" ]]; then
@ -56,7 +59,9 @@ else
md5_tmp="${HOME}/$(basename ${input_hash}).tmp" md5_tmp="${HOME}/$(basename ${input_hash}).tmp"
fi fi
$(ffmpeg -i ${input_file} -loglevel 0 -f framemd5 -an ${md5_tmp}) $(ffmpeg -i ${input_file} -loglevel 0 -f framemd5 -an ${md5_tmp})
[[ ! -f ${md5_tmp} ]] && _output_prompt [[ ! -f ${md5_tmp} ]] && { echo -e "${RED}Error:${NC} '${input_file}' is not a valid audio-visual file."; _output_prompt; }
unset old_file
unset tmp_file
old_file=$(grep -v '^#' ${input_hash}) old_file=$(grep -v '^#' ${input_hash})
tmp_file=$(grep -v '^#' ${md5_tmp}) tmp_file=$(grep -v '^#' ${md5_tmp})
if [[ "${old_file}" = "${tmp_file}" ]]; then if [[ "${old_file}" = "${tmp_file}" ]]; then