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Top Forums Shell Programming and Scripting Get information like substring Post 302275736 by cfajohnson on Monday 12th of January 2009 03:22:34 AM
Old 01-12-2009

What do you really want to extract? If all you wnat is "mysname":

Code:
echo myname

If you mean the third field, it depends on where you are getting it from. If it's in a variable::

Code:
set -f
set -- $variable
echo "$3"

If you are processing multi-line output from a command:

Code:
your_command | cut -d ' ' -f3

 

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PCRE_GET_SUBSTRING(3)					     Library Functions Manual					     PCRE_GET_SUBSTRING(3)

NAME
PCRE - Perl-compatible regular expressions SYNOPSIS
#include <pcre.h> int pcre_get_substring(const char *subject, int *ovector, int stringcount, int stringnumber, const char **stringptr); DESCRIPTION
This is a convenience function for extracting a captured substring. The arguments are: subject Subject that has been successfully matched ovector Offset vector that pcre_exec() used stringcount Value returned by pcre_exec() stringnumber Number of the required substring stringptr Where to put the string pointer The memory in which the substring is placed is obtained by calling pcre_malloc(). The convenience function pcre_free_substring() can be used to free it when it is no longer needed. The yield of the function is the length of the substring, PCRE_ERROR_NOMEMORY if sufficient memory could not be obtained, or PCRE_ERROR_NOSUBSTRING if the string number is invalid. There is a complete description of the PCRE native API in the pcreapi page and a description of the POSIX API in the pcreposix page. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWpcre | +--------------------+-----------------+ |Interface Stability | Uncommitted | +--------------------+-----------------+ NOTES
Source for PCRE is available on http://opensolaris.org. PCRE_GET_SUBSTRING(3)
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