ex02.sh(new)

ex02.sh

#!/usr/bin/sh
pipe=/tmp/out

#trap "rm -rf $pipe" EXIT
#if [[ ! -p $pipe ]]; then
#    mkfifo $pipe
#fi
out=1
while true
do
    dir=`date +"%u"`
    file=`date +"%H"`.log
    dirname=`printf "%02d" $dir`
    if [[ ! -d "$dirname" && $out -eq "1" ]]; then
        mkdir "$dirname"
        cd "$dirname"
        out=0
    fi

    if read line <$pipe; then
        if [[ ! -e "${file}" ]]; then
            touch "${file}"
        fi
        echo $line >> $file
    fi

    dirnew=`date +"%u"`
    if [[ "$dirnew" -ne "$dir" ]]; then
        cd ..
        out=1
    fi
done