Empty a file

truncate -s0 file
The downside of output redirection is that you need permissions. So something like > file won't play nicely w/ sudo. You'd need to do something like bash -c '> file' instead, you could go w/ sudo truncate -s0 file

By: pipping
2009-10-24 16:31:03

12 Alternatives + Submit Alt

What Others Think

I prefer the :> way since it works in zsh as well as bash. Plain > doesn't w/out an extra Ctrl-D sequence
unixmonkey14934 · 690 weeks and 1 day ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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