replace string foo to bar AND bar to foo in the same file

[E.S. Rosenberg]

Re:all

echo "foobar foo bar" | sed 's/foo/@foo/g; s/bar/@bar/g; s/@foo/bar/g;
s/@bar/foo/g'

based on:
http://stackoverflow.com/questions/13991017/swap-two-strings-simultaneously
found through:
https://www.google.co.il/search?q=sed+swap+foo+and+bar

חג שמח,
Eliyahu - אליהו

2013/9/25 E.S. Rosenberg <esr at g.jct.ac.il>:
> echo "foobar foo bar" | sed 's/foo/@foo/g; s/bar/@bar/g; s/@foo/bar/g;
> s/@bar/foo/g'
>
> based on:
> http://stackoverflow.com/questions/13991017/swap-two-strings-simultaneously
> found through:
> https://www.google.co.il/search?q=sed+swap+foo+and+bar
>
> חג שמח,
> Eliyahu - אליהו
>
> 2013/9/25 vordoo <vordoo at yahoo.com>:
>> Hi,
>>
>> I know how to: sed -i 's/foo/bar/g' *.txt
>>
>> But how do I: replace string foo to bar AND bar to foo in the same file??
>>
>> Thanks!
>>
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