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vcf_compressor/vcf_compressor.sh
2015-09-05 16:03:34 +02:00

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#!/bin/bash
## Copyright (c) 2015 Rodolphe Breard
##
## This program is free software: you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program. If not, see <http://www.gnu.org/licenses/>.
##
set -euo pipefail
IFS=$'\n\t'
version () {
echo "VCF Compressor 0.1.0-dev"
exit 0
}
usage () {
exit_status="${1:-1}"
echo "Usage: vcf_compressor [OPTION]... VCF_FILE"
echo ""
echo "Options:"
echo " -o, --output"
echo " -v, --verbose"
echo " -V, --version"
echo " -h, --help"
exit "$exit_status"
}
echo_verbose () {
if [ $verbose -gt 0 ]; then
echo "$@"
fi
}
input_file=""
output_file=""
verbose=0
while :; do
test $# -gt 0 || break
case "$1" in
-o|--output)
if [ -n "$2" ]; then
output_file="$2"
shift 2
continue
else
usage
fi
;;
-v|--verbose)
verbose=1
shift
;;
-V|--version)
version
;;
-h|--help)
usage 0
;;
*)
if [ -z "$input_file" ]; then
input_file="$1"
shift
continue
else
usage
fi
;;
esac
done
test -z "$input_file" && usage
if [ -z "$output_file" ]; then
dir=$(dirname "$input_file")
name=$(basename "$input_file" ".vcf")
output_file="$dir/$name.new.vcf"
fi
echo "in: $input_file"
echo "out: $output_file"
echo_verbose "verbose mode on"