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?Cat and grep? You can use only grep ("grep \. filename"). Better option is awk.
There is 1 alternative - vote for the best!
Remove newlines from output.
One character shorter than awk /./ filename and doesn't use a superfluous cat.
To be fair though, I'm pretty sure fraktil was thinking being able to nuke newlines from any command is much more useful than just from one file.
Pipe any output to "grep ." and blank lines will not be printed.
If you can do better, submit your command here.
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