#!/bin/bashworkdir=.modify=0while [ $# -gt 0 ]do    case $1 in    "--modify")        modify=1        ;;    "--work-dir")        shift        workdir=$1        ;;    *)        echo "USAGE: $0 [--work-dir <work-dir>] [--modify] [--help]"        exit 1    esac    shiftdoneecho "work-dir: $workdir, modify: $modify"h_files=$(tempfile)none_files=files_noneok_files=files_onemore_files=files_more>$none_files>$ok_files>$more_filesgrep -Prsh ‘^\s*#\s*include‘ $workdir | grep -Po ‘\w+\.h‘ | sort | uniq | while read hfiledo    echo -n .    if [ $(find $workdir -name "$hfile" | wc -l) -eq 0 ]    then        find $workdir -iname "$hfile" | grep -Po ‘\w+\.h$‘ | sort | uniq > $h_files        file_cnt=$(cat $h_files | wc -l)        if [ $file_cnt -eq 0 ]        then            echo $hfile >> $none_files        elif [ $file_cnt -eq 1 ]        then            newfile=$(cat $h_files)            echo $hfile ‘->‘ $newfile >> $ok_files            # for ok, deal it            if [ $modify -eq 1 ]            then                grep -Pril "\b$hfile\b" $workdir | xargs perl -i -pe "s/\b$hfile\b/$newfile/"            fi        else            echo -- $hfile -- >> $more_files            cat $h_files >> $more_files        fi    fidoneecho Done!echo the result in file: $none_files, $ok_files and $more_files