bash_verbose_options

gistfile1.txt

#!/bin/bash

REPOSYNC_LOG=/var/log/reposync.log

while getopts ":v:d" opt; do
    case $opt in
        v)  # write to stdout instead of log
            VERBOSE='yes'
            ;;
        d)
            set -x
            exec 2>&1
            ;;
    esac
done

if [[ "$VERBOSE" != 'yes' ]]
then
  # blank the log file
  > $REPOSYNC_LOG

  # redirect all to the log
  exec &>$REPOSYNC_LOG
fi

VERSION=${@:$OPTIND:1}
[ -z $VERSION ] && usage

c=()

while getopts ":bxc:" o; do
        case "${o}" in
                b) b=1 ;;
                x) x=1 ;;
                c) c+=( "${OPTARG}" ) ;;
                *) echo "usage()"; exit 1 ;;
        esac
done
shift $((OPTIND-1))