From: "Tim R." <timrandg@...>
Date: 2011-08-29T04:27:28+09:00
Subject: convert unix one-liner to ruby one-liner

I would like to append a carriage return to all .txt files. I can do it
with unix scripting on the command line, but would like to know what the
equivalent ruby solution is (out of curiosity).

unix solution:
for file in *.txt; do echo >> $file; done

The following also works:

for file in *.txt; do ruby -p -i -e 'END{puts}' $file; done

But simplifying to avoid wrapping in a unix script fails to hit any file
except the first from the *.seq list (I don't understand why, since
usually ruby one-liners can run batch with this input).

ruby -p -i -e 'END{puts}' *.txt

Thanks in advance,
Tim

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