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How to match whole words in SED on Mac?
\\b in regular expressions match word boundaries (i.e. the location between the first word character and non-word character): On Mac OS X, neither of these regex syntaxes work inside sed for matching whole words Hear me now and believe me later, this ugly syntax is what you need to use:
How to replace Minty with Minty in SED?
On Mac OS X, neither of these regex syntaxes work inside sed for matching whole words Hear me now and believe me later, this ugly syntax is what you need to use: So, for example, to replace mint with minty for whole words only: In one of my machine, delimiting the word with ” \\b ” (without the quotes) did not work.
How to match the first allow in a SED?
Here we match the first Allow then we ignore the substitution for the first Allow we come across and substitute the next line. sed ‘0,/Allow/! {N;/Allow/s/Allow/Deny/}’ We match Allow then keep a counter c. If this matches the 2 second occurrence then we substitute it.
What’s the best way to search for a word in shell?
The solution was to use ” \\< ” for starting delimiter and ” \\> ” for ending delimiter. Highly active question. Earn 10 reputation (not counting the association bonus) in order to answer this question.
How to edit a file with SED on OS X?
I’d like edit a file with sed on OS X. I’m using the following command: The output is sent to the terminal. file.txt is not modified. The changes are saved to file2.txt with this command: However I don’t want another file. I just want to edit file1.txt. How can I do this? I’ve tried the -i flag. This results in the following error:
Can you use BSD sed on a Mac?
All the other answers tell you how to correct the syntax to work with BSD sed. The alternative is to install GNU sed on your macOS with: and then use it instead of the sed version shipped with macOS (note the g prefix), e.g:
When to use \\ B as a word boundary?
For humans, not computers, there is one peculiarity here: the computer counts space’s as two words and replaces the ‘ because it is at the beginning of the second word. \\b marks a word boundary, either beginning or end. Now consider \\b’. This matches a word boundary followed by a ‘.