Logging output from executable

Question

Is it possible in linux to start a program ./program and everything it outputs gets written to a output.txt file?

Possible duplicate of How to output java -jar errors to a text/log file? — Chad
– Chad, Commented Mar 28, 2017 at 13:52

Brian Agnew · Accepted Answer · 2017-03-28 13:51:33Z

3

How about ./program > /tmp/mylogfile.txt 2>&1

sending everything to the /tmp/mylogfile.txt file.

The > is a redirection of standard out (stdout) and the 2>&1 redirects standard error (stream file descriptor 2) to standard out (stream file descriptor 1)

answered Mar 28, 2017 at 13:51

Brian Agnew

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3 Comments

user7157477 Over a year ago

Works like a charm but it stopped printing it on the actual console, can I make it console + file?

Brian Agnew Over a year ago

To answer your first point, investigate 'tee'. To answer your second point, not so easy, but I'm sure there's a solution out there using the 'date' utility and perhaps a script to pipe (not redirect) into

user7157477 Over a year ago

Wdym investigate 'tee'?

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