Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: How to check if a column is having a numeric value or not in a file?
Top Forums Shell Programming and Scripting How to check if a column is having a numeric value or not in a file? Post 302410074 by bakunin on Sunday 4th of April 2010 11:53:27 AM
Old 04-04-2010
Quote:
Originally Posted by keerthan
Whats the significance of using a .
kurumi obviously didn't want to count empty columns as columns and therefore made sure there is anything in between. His regexp will match "a,b,c,..." but not "a,,,b,..." This is what the full stop is for.

bakunin
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to check a column contain numeric or char data type ??

I have a file called clientname_filename.csv whose contents are like col1|col2|col3|col4| 510|abc|xxx|450| 510|abc11|yyy|350 510|pqr99|zzz| 670 512|222|439|110 Here i have check the contents of column for data type. i have a constraints that col1 always contain Numeric value column 2... (12 Replies)
Discussion started by: jambesh
12 Replies

2. Shell Programming and Scripting

to check variable if its non numeric

if test $b -ne then echo "\n\n\n\tPassword reset has been done successfully" else echo "\n\n\n\tAn error occurred" fi i want to check whether $b is non-numeric so how to do that? (3 Replies)
Discussion started by: sachin.gangadha
3 Replies

3. Shell Programming and Scripting

How to check Null values in a file column by column if columns are Not NULLs

Hi All, I have a table with 10 columns. Some columns(2nd,4th,5th,7th,8th and 10th) are Not Null columns. I'll get a tab-delimited file and want to check col by col and generate seperate error code for each col eg:102 if 2nd col value is NULL and 104 if 4th col value is NULL so on... I am a... (7 Replies)
Discussion started by: Mandab
7 Replies

4. Shell Programming and Scripting

check whether it is a non-numeric character

Below is the abstract of the script which is working fine. if ] then error_process "Invalid month format." return 1 fi I am doing validation for month and it errors if the value is > 12 or < 0. In addition, I want to add another condition to error if it... (2 Replies)
Discussion started by: sony_dada
2 Replies

5. Programming

check the given string is numeric or not.

Hi, how to check the given string is numeric or not , without converting ( using strtol...). for ex: if string is C01 - non-numeric data if string is 001 - numeric data TIA (11 Replies)
Discussion started by: knowledge_gain
11 Replies

6. Shell Programming and Scripting

How to check if the file contains only numeric values

How to check if the file contains only numeric values. I don't want to read entire file it eats lot of cpu Or any way which consumes less memory n cpu.. Please suggest -S (2 Replies)
Discussion started by: sunilmenhdiratt
2 Replies

7. Shell Programming and Scripting

How to check for a Numeric Value?

Using shell, I have a variable, how can I check that variable for a numeric value such as "41.0"? My program needs to do one things if the numeric value is found, and another if something else such as a string of letter is found. is there a specific character that denotes a numeral? The... (2 Replies)
Discussion started by: chagan02
2 Replies

8. Shell Programming and Scripting

check if a string is numeric

I checked all the previous threads related to this and tried this. My input is all numbers or decimals greater than zero everytime. I want to check the same in the korn shell script. Just validate the string to be numeric. This is what I am doing. var="12345" if ) -o "$var" !=... (14 Replies)
Discussion started by: megha2525
14 Replies

9. Shell Programming and Scripting

Sorting file based on a numeric column

Hi, I use UBUNTU 12.04. I have a file with this structure: Name 2 1245787 A G 12 14 12 14 .... Name 1 1245789 C T 13 12 12 12..... I would like to sort my file based on the second column so to have this output for example: Name 1 1245789 C T 13 12 12 12..... Name 2 1245787 A G 12 14... (4 Replies)
Discussion started by: Homa
4 Replies

10. Shell Programming and Scripting

Check whether input is numeric

Hello there, find below for my code first: $pdp_asaba=`cat /tmp/temp_total | grep asaba | sed 's/*//g'` if ]] then pdp_asaba=0 fi $pdp_abuja=`cat /tmp/temp_total | grep abuja | sed 's/*//g'` if ]] then pdp_abuja=0 fi $pdp_ojota=`cat /tmp/temp_total | grep ojota | sed 's/*//g'` if ... (3 Replies)
Discussion started by: infinitydon
3 Replies

LEARN ABOUT SUSE

html::formattext

HTML::FormatText(3)					User Contributed Perl Documentation				       HTML::FormatText(3)

NAME

       HTML::FormatText - Format HTML as plaintext

SYNOPSIS

	require HTML::TreeBuilder;
	$tree = HTML::TreeBuilder->new->parse_file("test.html");

	require HTML::FormatText;
	$formatter = HTML::FormatText->new(leftmargin => 0, rightmargin => 50);
	print $formatter->format($tree);

DESCRIPTION

       The HTML::FormatText is a formatter that outputs plain latin1 text.  All character attributes (bold/italic/underline) are ignored.
       Formatting of HTML tables and forms is not implemented.

       You might specify the following parameters when constructing the formatter:

       leftmargin (alias lm)
	   The column of the left margin. The default is 3.

       rightmargin (alias rm)
	   The column of the right margin. The default is 72.

SEE ALSO

       HTML::Formatter

COPYRIGHT

       Copyright (c) 1995-2002 Gisle Aas, and 2002- Sean M. Burke. All rights reserved.

       This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

       This program is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of
       merchantability or fitness for a particular purpose.

AUTHOR

       Current maintainer: Sean M. Burke <sburke@cpan.org>

       Original author: Gisle Aas <gisle@aas.no>

perl v5.12.1							    2004-06-02						       HTML::FormatText(3)
All times are GMT -4. The time now is 05:14 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy