set -o nounsethelp(){    cat <<- EOF    Desc: execute f1x for each case in Codeflaws    Usage: ./exec_codeflaws.sh [Codeflaw_dir] [f1x_path] [run-f1x-codeflaw.rb_Dir]    EOF    exit 0}while [ -n "$1" ]; do    case $1 in        -h) help;;        --) shift;break;;        -*) echo "error: no such option $1."; exit 1;;        *) break;;esacdone

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