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Top Forums UNIX for Dummies Questions & Answers delete blank lines from a file Post 302148881 by sachin.gangadha on Tuesday 4th of December 2007 02:06:25 AM
Old 12-04-2007
delete blank lines from a file

can anyone show me how to delete blank lines from a file.

thanks in advance
 

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insdelln(3XCURSES)					  X/Open Curses Library Functions					insdelln(3XCURSES)

NAME
insdelln, winsdelln - insert/delete lines to/from the window SYNOPSIS
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib -R /usr/xpg4/lib -lcurses [ library... ] c89 [ flag... ] file... -lcurses [ library... ] #include <curses.h> int insdelln(int n); int winsdelln(WINDOW *win, int n); PARAMETERS
n Is the number of lines to insert or delete (positive n inserts; negative n deletes). win Is a pointer to the window in which to insert or delete a line. DESCRIPTION
The insdelln() and winsdelln() functions insert or delete blank lines in stdscr or win, respectively. When n is positive, n lines are added before the current line and the bottom n lines are lost; when n is negative, n lines are deleted starting with the current line, the remaining lines are moved up, and the bottom n lines are cleared. The position of the cursor does not change. RETURN VALUES
On success, these functions return OK. Otherwise, they return ERR. ERRORS
None. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |Unsafe | +-----------------------------+-----------------------------+ SEE ALSO
deleteln(3XCURSES), insertln(3XCURSES), libcurses(3XCURSES), attributes(5), standards(5) SunOS 5.10 5 Jun 2002 insdelln(3XCURSES)
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