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Home > Nl (Unix)
nl is a Unix utility for numbering lines, either from a file or from standard input, reproducing output on standard output. It has a number of switches:
- a - number all lines
- t - number lines with printable text only
- n - no line numbering
- string - number only those lines containing the regular expression defined in the string supplied.
The default applied switch is t.
nl also supports a number of command line options.
Unix programs
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