Select random lines from a file

Select random lines from a file

bash shell random text-processing

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How to replace ${} placeholders in a text file?

bash command-line text-processing templating

bash

How to obtain the first letter in a Bash variable?

bash text-processing variable-expansion

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Remove first directory components from path of file

bash shell text-processing

bash

shell replace cr\lf by comma

bash shell newline text-processing

bash

How do I convert multi line text into one line?

bash sed text-processing

bash

Eliminate partially duplicate lines by column and keep the last one

bash awk sed text-processing

bash

sed how to delete first 17 lines and last 8 lines in a file

linux bash sed text-processing

bash