top命令在while循环中失效,什么原因?
时间:2011-05-16
来源:互联网
代码:
#!/bin/bash
name=test
while read aa
do
result=`top -u "$name" -n 1 | awk '{ if( $0 ~ /'"$name"'/ ) print }'`
echo "$result"
done<ss
显示错误:
top: failed tty get
如果把while循环去掉就正常。
#!/bin/bash
name=test
while read aa
do
result=`top -u "$name" -n 1 | awk '{ if( $0 ~ /'"$name"'/ ) print }'`
echo "$result"
done<ss
显示错误:
top: failed tty get
如果把while循环去掉就正常。
作者: zcsgamer 发布时间: 2011-05-16
加个-b 选项:
复制代码
QUOTE:
-b : Batch mode operation
Starts top in <A1><AF>Batch mode<A1><AF>, which could be useful for sending output from top to other programs or to a file. In this mode, top will not accept input and runs until the iterations limit you<A1><AF>ve set with the <A1><AF>-n<A1><AF> command-line option or until killed.
Starts top in <A1><AF>Batch mode<A1><AF>, which could be useful for sending output from top to other programs or to a file. In this mode, top will not accept input and runs until the iterations limit you<A1><AF>ve set with the <A1><AF>-n<A1><AF> command-line option or until killed.
- top -bn 1
作者: xiaopan3322 发布时间: 2011-05-16
太感谢了!
作者: zcsgamer 发布时间: 2011-05-16
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