Am 02. Dez, 2008 schwätzte Dazed_75 so:
moin moin,
I know I could figure this out, and will tomorrow if no one gives me
the answer in the next hour. I have a file with many mv xxx yyy
commands and want to make another file with mv yyy xxx commands so
just need to swap the arguments. I have to go do some things now and
have a meeting tonight so would appreciate a reminder how to do this.
I know it is trivial but just don't remember how right now. Thanks in
advance.
This command presumes there are no spaces in xxx and yyy and that yyy is
the last thing on each command line. Adjust as necessary.
$ echo mv xxx yyy | sed -re 's/ ([^[:space:]]+) ([^[:space:]]+)$/ \2 \1/'
mv yyy xxx
You could also use cut and some variable assignments.
ciao,
der.hans
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