批量将 *.c 预处理为 *.i （递归处理文件夹中所有文件）gcc -E

批量将 .c 预处理为 .i （递归处理文件夹中所有文件）gcc -E

#!/bin/sh
# [root@localhost /]# ./alter-c2i.sh linux-kernel

function scandir() {
    local cur_dir workdir newerdir
    newerdir="/root"
    workdir=$1
    cd ${workdir}
    if [ ${workdir} = "/" ]
    then
        cur_dir=""
    else
        cur_dir=$(pwd)
    fi

    for dirlist in $(ls ${cur_dir})
    do
        if test -d ${dirlist};then
            cd ${dirlist}
            scandir ${cur_dir}/${dirlist}
            cd ..
        elif test -f ${dirlist};then
            name=${dirlist%.*}
            namei=${name}.i
            suffix=${dirlist#*.}
            if [ "${suffix}" == "c" ];then
                gcc -E ${dirlist} > ${namei}
                tmp_dir=$(pwd)
                mkdir -p ${newerdir}${tmp_dir} 2> /dev/null
                mv ${namei} ${newerdir}${tmp_dir}
            fi

        fi
    done
}

if test -d $1
then
    scandir $1
elif test -f $1
then
    echo "you input a file but not a directory,pls reinput and try again"
    exit 1
else
    echo "the Directory isn't exist which you input,pls input a new one!!"
    exit 1
fi

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