[glug-t] One Day One GNU/Linux Command (NL)

From: Bharathi Subramanian <sbharathi@xxxxxxxxxxxxx>
To: GNU/Linux User Group of TCE <glugot@xxxxxxxxxxxxx>, VEC-FOSS <vecfoss@xxxxxxxxxxxxxxxx>, GNU/Linux Users Group - Trichy <glug_t@xxxxxxxxxxxxx>
Date: Fri, 25 Apr 2008 10:14:15 +0530 (IST)

One Day One GNU/Linux Command
=============================

nl - Number lines of files

Summary:

Write each FILE to stdout, with line numbers added. With No FILE 
or -, read from stdin.

Examples :

$ nl myfile -- Writes all non-empty lines with number.

$ nl -ba myfile -- Number all lines.

$ nl -ba -l2 myfile -- Count 2 empty line as 1 and display

$ nl -nln myfile -- Numbers are left justified.

$ nl -nrz myfile -- Numbers are right justified and leading zeros

$ nl -w2 myfile -- Uses 2 column for the line number.

$ nl -s"> " myfile -- Insert "> " in between number and line.

$ nl -bp"^T" myfile -- Number the lines start with char 'T'.

$ ls | nl -- ls Output with line numbers

Read: man nl

HTH :)
-- 
Bharathi S

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[glug-t] One Day One GNU/Linux Command (NL)

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