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6b8ecd6b5c
@zhujian0805 contributed some excellent cheatsheets in #185, but some binary files seem to have gotten mixed into the commit as well. This commit cherry-picks the cheatsheet file changes from that PR while leaving behind the cruft. Also performed minor editing on some of the cheatsheets.
18 lines
516 B
Plaintext
18 lines
516 B
Plaintext
# To replace all occurrences of "day" with "night" and write to stdout:
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sed 's/day/night/g' file.txt
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# To replace all occurrences of "day" with "night" within file.txt:
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sed -i 's/day/night/g' file.txt
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# To replace all occurrences of "day" with "night" on stdin:
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echo 'It is daytime' | sed 's/day/night/g'
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# To remove leading spaces
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sed -i -r 's/^\s+//g' file.txt
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# To remove empty lines and print results to stdout:
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sed '/^$/d' file.txt
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# To replace newlines in multiple lines
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sed ':a;N;$!ba;s/\n//g' file.txt
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