rty

来自「ksh 实现的基于hpux下的性能数据以及故障的采集程序。可以作为新手练手使用」· 代码 · 共 21 行

#!/bin/ksh

exec 3>res.txt
exec 1>&3
exec 3>&1 3>&-

echo "this is  a test"

echo "this is  a test"
exit



exec 4>dog.txt
exec 1>&4

echo "this is  a dog"

exec 4>&1 4>&-
echo "this is  a 3res"