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Top Forums Shell Programming and Scripting Simplify Bash Script Using "sed" Or "awk" Post 302476572 by sQew on Thursday 2nd of December 2010 04:33:24 AM
Old 12-02-2010
Simplify Bash Script Using "sed" Or "awk"

Input file:

PHP Code:
2 aux003.net3.com error12
6 awn0117
.net1.com error13
84 aux008 error14
29 aux001
.ha.ux.isd.com error12
209 aux002
.vm.ux.isd.com error34
21 alx0027
.vm.net2.com error12
227 dux001
.net5.com error123
22 us008
.dot.net2.com error121
13 us009
.net2.com error129 
Expected Output:
PHP Code:
2 aux003 error12
6 awn0117 error13
84 aux008 error14
29 aux001 error12
209 aux002 error34
21 alx0027 error12
227 dux001 error123
22 us008 error121
13 us009 error129 
For now i used this:
Code:
sed -e 's/.net[1-5].com//' -e 's/.ha.ux.isd.com//'

But its not applicable for all domains, i have to put new -e on each domain.
How do we simplyfy this, so i can remove all the FQDN and just remain the hostname?

Last edited by Scott; 12-02-2010 at 05:39 AM.. Reason: One more code tag
 

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PHP_STRIP_WHITESPACE(3) 						 1						   PHP_STRIP_WHITESPACE(3)

php_strip_whitespace - Return source with stripped comments and whitespace

SYNOPSIS
string php_strip_whitespace (string $filename) DESCRIPTION
Returns the PHP source code in $filename with PHP comments and whitespace removed. This may be useful for determining the amount of actual code in your scripts compared with the amount of comments. This is similar to using php -w from the commandline. PARAMETERS
o $filename - Path to the PHP file. RETURN VALUES
The stripped source code will be returned on success, or an empty string on failure. Note This function works as described as of PHP 5.0.1. Before this it would only return an empty string. For more information on this bug and its prior behavior, see bug report #29606. EXAMPLES
Example #1 php_strip_whitespace(3) example <?php // PHP comment here /* * Another PHP comment */ echo php_strip_whitespace(__FILE__); // Newlines are considered whitespace, and are removed too: do_nothing(); ?> The above example will output: <?php echo php_strip_whitespace(__FILE__); do_nothing(); ?> Notice the PHP comments are gone, as are the whitespace and newline after the first echo statement. PHP Documentation Group PHP_STRIP_WHITESPACE(3)
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