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Not using the 'g' (global) flag only replaces the first match on a line. The 'g' flag will replace all matches.
9 lines
301 B
Plaintext
9 lines
301 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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