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onemouth/gist:7fff96468b08d0ff22496dc9ecbdd070

Created June 20, 2018 03:22
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Implement cat by perl
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gistfile1.txt
perl -wpl -e '' file1 file2
perl -wnl -e 'print;' file1 file2
perl -wl -e 'while (<>) { print; }' file file2
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