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sed -i.bak 's/coy/reindeer/' hey.txt cmp -s $_ hey$.pristine.txtbak && echo "sed did not work, your files are identical." |
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sed -i.bak 's/coy/reindeer/' hey.txt cmp -s $_ hey$.pristine.txtbak && echo "sed did not work, your files are identical." |
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