Command to find and replace, but not creating a new file
So I have a file, with a bunch of pattern "foo", and I wanna replace them with "bar":
blah1 foo1 blah2 blah3 foo2 blah4foo3
I wouldnt bother if the file size is just a couple of Kb, but, what if its a few hundred of Mb, Im restricted in disk space, then you are in trouble.
I think vim can do this with "-c" switch if iirc, but I believe there is a more elegant command out there...
The power of plain text? It can control an entire OS
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