Unix script file redirection

Question

I have a shell script written to execute tests in regression (Do_regr.sh). If I give the option -l then it displays the ip addresses of machines where regression can be run. (Do_regr.sh -l)

I want to store this output in a text file. But redirection is not working for the script. If I give Do_regr.sh -l > host_names, I see host_names is empty but the names are displayed on the screen.

What is the correct command to do this ?

anubhava · Accepted Answer · 2015-02-06 10:59:40Z

1

Script must be writing it on stderr instead of stdout. Use this redirection to redirect both stdout and stderr:

Do_regr.sh -l >& host_names

answered Feb 6, 2015 at 10:59

anubhava

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