gnu-sed

GNU implementation of sed, a powerful stream editor for text manipulation

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GNU implementation of the famous stream editor

gsed

Replace first occurrence of 'old' with 'new' in a file$ gsed -i 's/old/new/' file.txt

Replace all occurrences globally and save backup$ gsed -i.bak 's/pattern/replacement/g' file.txt

Delete lines matching a pattern$ gsed -i '/pattern/d' file.txt