Don't re-direct; wc accepts a filename argument, or a list of filenames.

wc -l in.file
# also check out when multiple files match the pattern ... 
wc *.dat

[download]

As Occam said: Entia non sunt multiplicanda praeter necessitatem.

In reply to Re^2: one liner - open file and read by TomDLux
in thread one liner - open file and read by baxy77bax

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