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Top Forums UNIX for Dummies Questions & Answers display few lines of the file Post 50542 by sharuvman on Tuesday 27th of April 2004 02:12:28 AM
Old 04-27-2004
Hi Driver,
This is not a HOMEWORK question.

Head has one option -n to display first n number of lines in a file.
Which won't serve my purpose.

Tail does samething from opposite direction and hence no use either.

I wanted a combination to get a range of lines.
More specifically, I wanted to extract a function block from the file.

( I have around 20 similar programs written in perl and all have few common functions. I need to change these functions now. In order to verify I didn't want to open again using "vi". Hence the need was to a have look at the function block in all files and verify the changes.)

I didn't get what Kelam_Magnus is saying.

I have gone through the link given on Vi few times long back and thanks for reminding me on the same. I will go through the page again as it gives lot of pleasure in reading the same.

Thanks,
Sharath
 

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FMT(1)							    BSD General Commands Manual 						    FMT(1)

NAME
fmt -- simple text formatter SYNOPSIS
fmt [-Cr] [goal [maximum]] [name ...] fmt [-Cr] [-g goal] [-m maximum] [name ...] DESCRIPTION
fmt is a simple text formatter which reads the concatenation of input files (or standard input if none are given) and produces on standard output a version of its input with lines as close to the goal length as possible without exceeding the maximum. The goal length defaults to 65 and the maximum to 75. The spacing at the beginning of the input lines is preserved in the output, as are blank lines and interword spac- ing. In non raw mode, lines that look like mail headers or begin with a period are not formatted. -C instructs fmt to center the text. -g goal New way to set the goal length. -m maximum New way to set the maximum length. -r Raw mode; formats all lines and does not make exceptions for lines that start with a period or look like mail headers. fmt is meant to format mail messages prior to sending, but may also be useful for other simple tasks. For instance, within visual mode of the ex(1) editor (e.g., vi(1)) the command !}fmt will reformat a paragraph, evening the lines. SEE ALSO
mail(1), nroff(1) HISTORY
The fmt command appeared in 3BSD. BUGS
The program was designed to be simple and fast - for more complex operations, the standard text processors are likely to be more appropriate. BSD
May 29, 2007 BSD
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