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Q&A

Posts tagged text-processing

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Q&A How to extract string from file, run filter, and replace in file with new value?

TASK I am coding up ebooks to a specific standard, and have a script that converts a string into the correct titlecase for this publisher. When working with some public domain source files, one of...

4 answers  ·  posted 5mo ago by David‭  ·  last activity 1mo ago by Mithical‭

66%
+4 −1
Q&A Simplest way of stripping leading/trailing whitespace from file or program output

What is the simplest shell idiom for stripping leading and trailing whitespace from a file or program output? Ideally I am looking for the equivalent of trim or strip methods in some languages. Th...

3 answers  ·  posted 9mo ago by matthewsnyder‭  ·  last activity 9mo ago by AdminBee‭

Question text-processing
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Q&A What unexpected things can happen if a user runs commands expecting a text file on input lacking a file-final newline?

It is often taught that in Unix/Linux text files should end with newline characters. The reason given (orally) to me by various sources was that "some commands (such as wc) assume or require a newl...

2 answers  ·  posted 9mo ago by Lover of Structure‭  ·  last activity 9mo ago by tripleee‭

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Q&A Substituting text in a sed like manner but with a richer format

I have the following problems working with sed: It doesn't allow multiline operations (thus, no indentations, no nesting) It is generally obligatory to wrap entire commands in quote marks (sed ...

1 answer  ·  posted 2y ago by deleted user  ·  last activity 2y ago by user53100‭

Question sed text-processing