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Top Forums Shell Programming and Scripting Perl: Extracting a char from a string. Post 302441921 by Yogesh Sawant on Tuesday 3rd of August 2010 01:38:19 AM
Old 08-03-2010
are you sure you always want the character at second position in the string? a more perlish way is to write a regex and use the m operator to extract the character(s) you want. but yes depends on your requirement what exactly you are trying to achieve
 

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curs_inch(3X)															     curs_inch(3X)

NAME
inch, winch, mvinch, mvwinch - get a character and attributes from a curses window SYNOPSIS
#include <curses.h> chtype inch(void); chtype winch(WINDOW *win); chtype mvinch(int y, int x); chtype mvwinch(WINDOW *win, int y, int x); DESCRIPTION
These routines return the character, of type chtype, at the current position in the named window. If any attributes are set for that posi- tion, their values are OR'ed into the value returned. Constants defined in <curses.h> can be used with the & (logical AND) operator to extract the character or attributes alone. Attributes The following bit-masks may be AND-ed with characters returned by winch. A_CHARTEXT Bit-mask to extract character A_ATTRIBUTES Bit-mask to extract attributes A_COLOR Bit-mask to extract color-pair field information RETURN VALUE
Functions with a "mv" prefix first perform a cursor movement using wmove, and return an error if the position is outside the window, or if the window pointer is null. NOTES
Note that all of these routines may be macros. PORTABILITY
These functions are described in the XSI Curses standard, Issue 4. SEE ALSO
curses(3X). Comparable functions in the wide-character (ncursesw) library are described in curs_in_wch(3X). curs_inch(3X)
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