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by bewuethr 2130 days ago
According to Stack Overflow [1], this works:

    sed -i.bak 's/foo/bar/' filename
[1]: https://stackoverflow.com/a/22084103/3266847
1 comments
gpanders 2130 days ago
That works when specifying a backup extension, but not if you don’t want to create a backup file.

    sed -i ‘’ ...
works on BSD sed but not GNU. Meanwhile:

    sed -i’’ ...
    sed -i ...
both work on GNU but not BSD.
link
bewuethr 2129 days ago
Well, yes, you can't use it without creating a backup file, but it uses "-i" and is portable.
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