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Top Forums Shell Programming and Scripting Copying character at certain position Post 302805219 by viored on Thursday 9th of May 2013 08:35:29 PM
Old 05-09-2013
Copying character at certain position

So I'm iterating through a series of strings and I want to pick out a character in a certain position
so if I have the string
Code:
abcde

asigned to the variable $B.
Let $i=2, then I'd like it to asign the variable $a=b
similarly, if $i=3 then $a=c

The only things I can think of work with cut, but they require files, and I have a string assigned to a variable.
 

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XmTextFieldPosToXY(library call)										  XmTextFieldPosToXY(library call)

NAME
XmTextFieldPosToXY -- A TextField function that accesses the x and y position of a character position SYNOPSIS
#include <Xm/TextF.h> Boolean XmTextFieldPosToXY( Widget widget, XmTextPosition position, Position *x, Position *y); DESCRIPTION
XmTextFieldPosToXY accesses the x and y position, relative to the upper left corner of the TextField widget, of a given character position in the text buffer. widget Specifies the TextField widget ID position Specifies the character position in the text for which the x and y position is accessed. This is an integer number of characters from the beginning of the buffer. The first character position is 0. x Specifies the pointer in which the x position is returned. The returned position is the distance from the left side of the wid- get to the left border of the character. This value is meaningful only if the function returns True. y Specifies the pointer in which the y position is returned. The returned position is the distance from the top of the widget to the character's baseline. This value is meaningful only if the function returns True. For a complete definition of TextField and its associated resources, see XmTextField(3). RETURN
This function returns True if the character position is displayed in the TextField widget; otherwise, it returns False, and no x or y value is returned. RELATED
XmTextField(3). XmTextFieldPosToXY(library call)
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