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Top Forums Shell Programming and Scripting Need help in extracting the substring in UNIX Post 302751087 by rithushri on Thursday 3rd of January 2013 07:01:18 AM
Old 01-03-2013
Need help in extracting the substring in UNIX

Hi all,

I need to extract the "abcdef" from the below string Digital_abcdef_20130103.txt.gz

The length of the "abcdef" will be changing but it will be always after the word Digital_ and before the second underscore

help in this regard is highly appreciated
 

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CURSES_UNDERSCORE(3)					   BSD Library Functions Manual 				      CURSES_UNDERSCORE(3)

NAME
curses_underscore, underscore, underend, wunderscore, wunderend -- curses underscore attribute manipulation routines LIBRARY
Curses Library (libcurses, -lcurses) SYNOPSIS
#include <curses.h> int underscore(void); int underend(void); int wunderscore(void); int wunderend(void); DESCRIPTION
These functions manipulate the underscore attribute on stdscr or on the specified window. The underscore() function turns on the underscore attribute on stdscr. The underend() function turns off the underscore attribute on stdscr. The wunderscore() and wunderend() functions are equivalent to underscore() and underend(), respectively, excepting that the attribute is manipulated on the window specified by win. The underscore() and underend() functions are equivalent to wattron(A_UNDERLINE) and wattroff(A_UNDERLINE), respectively. RETURN VALUES
These functions always return 1. SEE ALSO
curses_attributes(3), curses_standout(3) STANDARDS
The NetBSD Curses library complies with the X/Open Curses specification, part of the Single Unix Specification. HISTORY
These functions first appeared in NetBSD 1.5. BSD
October 13, 2002 BSD
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