04-29-2009
substringing non field non seperated text
In optimizing and bulletproofing the scripts running on my client's AIX 4.2 (Korn shell), I will need a way to examine and/or extract informations from non field non seperated text to be used for several purposes.
How could I do the same for these situations :
ex-1:
"00000"+"1" => "00001" (5 last char)
"00000" +"12" => "00012" (5 last char)
ex-2:
"aaaaa12345aaaaa@ => "12345" (extract that part where position is known)
"aaaaa12345aaaaa@ => "12345" (extract that part where position is unknown)
ex-3:
multi-line rec (variable format + possible spaces at beginning of line)
adfadasdf(aaaa),adkalsd,
klajdf,hklajhklajh(akdjakjflkajmakfaklj),
ifuioioa(usdoiau(akljsdlkajdh),alkdjfhkajsdh)
into
adfadasdf(aaaa),adkalsd,klajdf,hklajhklajh(akdjakjflkajmakfaklj),ifuioioa(usdoiau(akljsdlkajdh),alkd jfhkajsdh)
multi-line record contains any combinations/amount of fields and any combination/amount of separators.
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LEARN ABOUT CENTOS
curs_inch
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)