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Full Discussion: Aligning columns in a text file using Perl
Top Forums Shell Programming and Scripting Aligning columns in a text file using Perl Post 302619751 by smarty86 on Friday 6th of April 2012 04:50:54 AM
Old 04-06-2012
Aligning columns in a text file using Perl
Hi All,

I am new to perl and was trying to write a simple program which will generate a text file as output..

now the output which i am getting is something like this..

Code:
==================================================================================================
Col1                                         |                     Col2
==================================================================================================
value1                                                            Updated this row
value1                                                            Updated this row also
value1                                                            Updated again
value1                                                            Changed table contents
value-value-value-value-value2                                  added few lines of code
value-value-value-value-value2                                  added another few lines using perl
ABCDEFGH                                                updated code to add few lines
TESTING                                              added new testing procedure
TESTING AGAIN                                                  Updated General info
ABCDEFG TESTING, AGAIN AND AGAIN                                      Updated information
ABCDEFG TESTING, AGAIN AND AGAIN                                      Updated home address
==================================================================================================

the code i am using to get the above output is

Code:
printf MY_FILE ( "%s \t\t\t\t\t %-20s\n",$title,$desc);

i want output to be in this pattern

Code:
==================================================================================================
Col1                                                      | Col2
==================================================================================================
value1                                                    | Updated this row
value1                                                    | Updated this row also
value1                                                    | Updated again
value1                                                    | Changed table contents
value-value-value-value-value2                            | added few lines of code
value-value-value-value-value2                            | added another few lines using perl
ABCDEFGH                                                  | updated code to add few lines
TESTING                                                   | added new testing procedure
TESTING AGAIN                                             | Updated General info
ABCDEFG TESTING, AGAIN AND AGAIN                          | Updated information
ABCDEFG TESTING, AGAIN AND AGAIN                          | Updated home address
==================================================================================================

please help me to get this output in alligned manner!!
 

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LEARN ABOUT REDHAT

math

math(n) 							 Tcl Math Library							   math(n)

NAME

       math - Tcl Math Library

SYNOPSIS

       package require Tcl 8.2

       package require math ?1.2?

       ::math::cov value value ?value ...?

       ::math::integrate list of xy value pairs

       ::math::fibonacci n

       ::math::max value ?value ...?

       ::math::mean value ?value ...?

       ::math::min value ?value ...?

       ::math::prod value ?value ...?

       ::math::random ?value1? ?value2?

       ::math::sigma value value ?value ...?

       ::math::stats value value ?value ...?

       ::math::sum value ?value ...?

DESCRIPTION

       The math package provides utility math functions.

COMMANDS

       ::math::cov value value ?value ...?
	      Return the coefficient of variation expressed as percent of two or more numeric values.

       ::math::integrate list of xy value pairs
	      Return the area under a "curve" defined by a set of x,y pairs and the error bound as a list.

       ::math::fibonacci n
	      Return the n'th Fibonacci number.

       ::math::max value ?value ...?
	      Return the maximum of one or more numeric values.

       ::math::mean value ?value ...?
	      Return the mean, or "average" of one or more numeric values.

       ::math::min value ?value ...?
	      Return the minimum of one or more numeric values.

       ::math::prod value ?value ...?
	      Return the product of one or more numeric values.

       ::math::random ?value1? ?value2?
	      Return a random number.  If no arguments are given, the number is a floating point value between 0 and 1.  If one argument is given,
	      the number is an integer value between 0 and value1.  If two arguments are given, the number is an integer value between value1  and
	      value2.

       ::math::sigma value value ?value ...?
	      Return the population standard deviation of two or more numeric values.

       ::math::stats value value ?value ...?
	      Return the mean, standard deviation, and coefficient of variation as percent as a list.

       ::math::sum value ?value ...?
	      Return the sum of one or more numeric values.

KEYWORDS

       math, statistics

math									4.2								   math(n)
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