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Top Forums Shell Programming and Scripting Increment a variable in unix bash Post 302629165 by amrutha0303 on Tuesday 24th of April 2012 11:28:41 AM
Old 04-24-2012
Hello there,

Thanks both for the quick reply. I tried using (( C +=1 )) and it kept throwing a syntax error at me. I was just not sure why.

I am curious though. Functions like
Code:
$(( ls - l ))

as well doesnt work for me. It keep throwing the syntax error saying `(' unexpected whenever i use something like that.

Help is appreciated.

Thanks.
-A
 

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DwtScrollBarGetSlider(3Dwt)											       DwtScrollBarGetSlider(3Dwt)

Name
       DwtScrollBarGetSlider - Retrieves the current size and position parameters of the slider in the scroll bar widget.

Syntax
       void DwtScrollBarGetSlider(widget, value_return, shown_return,
				  inc_return, pageinc_return)
	    Widget widget;
	    int *value_return;
	    int *shown_return;
	    int *inc_return;
	    int *pageinc_return;

Arguments
       widget	 Specifies the scroll bar widget ID.

       value_return
		 Returns  the scroll bar's top thumb (slider) position between the DwtNminValue and DwtNmaxValue attributes to the scroll bar wid-
		 get.

       shown_return
		 Returns the size of the slider as a value between zero and the absolute value of DwtNmaxValue minus DwtNminValue.   The  size	of
		 the slider varies, depending on how much of the slider scroll area it represents.

       inc_return
		 Returns the amount of button increment and decrement.

       pageinc_return
		 Returns the amount of page increment and decrement.

Description
       The DwtScrollBarGetSlider function returns the currently displayed size/position values of the slider in the scroll bar widget.	The scroll
       region is overlaid with a slider bar that is adjusted in size and position using the main scroll bar or	set  slider  function  attributes.
       The stepping arrows and the slider are the scroll activator objects providing the user interface syntax ``feel.''

See Also
       DwtScrollBarSetSlider(3Dwt)
       Guide to the XUI Toolkit: C Language Binding
       Guide to the XUI Toolkit Intrinsics: C Language Binding

														       DwtScrollBarGetSlider(3Dwt)
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