smail

来自「linux脚本编程的例子」· 代码 · 共 16 行

function cleanup {
    if [ -e $msgfile ]; then
          mv $msgfile dead.letter
    fi
    exit
}

trap cleanup INT TERM

msgfile=/tmp/msg$$
cat > $msgfile
# send the contents of $msgfile to the specified mail address...
rm $msgfile