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5 questions
1vote
2answers
2kviews
Replace a command with the result (command output) in the line using sed
Is it possible to replace a command extracted by some regex with its output using sed? For example, I have the next file: 2 + 2 = $$shell:echo 2 + 2 | bc$$ // and "some unescaped text' here how I ...
- 13
2votes
2answers
310views
deleting characters from expression using sed
I have a string in the form |a Some text, letters or numbers. | Some other text letters or numbers |b some other part of text |c some other letters or numbers notice the bar can be on its own, as ...
1vote
1answer
285views
What are the commands that you can use in the beginning of a sed command?
I initially learned to do sed search and replace like so: sed -e 's/<stuff>/<replacement>/' However I recently learned that these will do something different based on what command ...
- 19.3k
2votes
1answer
313views
Delete repeated words between brackets inline
Our input looks something like 2012-04-17 [GBPGBP] 2012-04-13 [GBP GBP] 2012-04-13 [GBP] 2012-04-11 [GBPGBP] 2012-04-11 [GBP GBP] 2012-04-10 [GBPGBP] 2012-04-06 [GBP GBP GBP] 2012-04-17 [...
- 279
4votes
1answer
1kviews
Construct my own character classes
I want to construct my own character class in a script, then modify (and use) it, for example: [:myclass:] contains a, *, \n (as linefeed) and [WHITESPACE]. I want to add all characters to [:myclass:] ...
- 667
