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* refactor: clean to roadmap content * refactor: move shared helpers into scripts/lib
754 B
754 B
NL (Number Lines)
The nl command numbers lines in text files, providing an overview of line locations. By default, it numbers only non-empty lines, but this behavior can be modified. Syntax: nl [options] [file_name]. If no file is specified, nl reads from stdin. Valuable for text processing when line numbers are needed for reference or debugging purposes.
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