perl - How to redirect the perl -nle command to a file?

Question

I need redirect the below command to a file.

ping -i 10 host | perl -nle 'print scalar(localtime), " ", $_'

I have trying with > output.txt and >> output.txt and It doesn't working.

Tks.

Answer 1

如果修改您的命令以确保ping正确完成，而不是<ctrl-c>例如。

ping -c 5 -i 10 host | perl -nle 'print scalar(localtime), " ", $_' > output.txt

那么这听起来真的像是一个缓冲问题。您可以perl使用$| = 1.

ping -i 10 host | perl -nle '$|++; print scalar(localtime), " ", $_' > output.txt