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Add cheatsheet perl

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Michihito Shigemura 2017-11-20 21:20:22 +09:00 committed by GitHub
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# To view the perl version:
perl -v
# Replace string "\n" to newline
echo -e "foo\nbar\nbaz" | perl -pe 's/\n/\\n/g;'
# Replace newline with multiple line to space
cat test.txt | perl -0pe "s/test1\ntest2/test1 test2/m"