Search for text in a file mac terminal3/22/2023 ![]() ![]() What's good about this tool is that it has in-place editing, which you can enable with -i flag. It also uses regular expressions, but for simple substitutions it's sufficient to do: sed 's/blue/azure/' input.txt ![]() This is an input.txt and this doesn't rhymeīash isn't really meant for text processing, but simple substitutions can be done via parameter expansion, in particular here we can use simple structure $" The file contents: roses are red, violets are blue In this answer I am using simple input.txt file, which you can use to test all examples provided here. ![]() Depending on the complexity of what one tries to achieve with string replacement, and depending on tools with which user is familiar, some methods may be preferred more than others. ![]()
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