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whbzju/mac or linux tips

Last active June 18, 2017 15:41
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mac or linux tips
To remove the line and print the output to standard out:
sed '/pattern to match/d' ./infile
To directly modify the file (and create a backup):
sed -i.bak '/pattern to match/d' ./infile
sed 's/\*/t/g' test.txt > test2.txt
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