Why cant? Post: 4870

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Top Forums UNIX for Dummies Questions & Answers Why cant? Post 4870 by LivinFree on Thursday 2nd of August 2001 04:19:18 AM

08-02-2001

Registered User

Try:
if [ -e /path/to/file ] ; then
.....
else
.....
fi

Also, with awk, when you define an external variable to an internal one, make sure the external is set... In clearer terms, see the following:

grep $1 $FILE | awk -F, -v ARG2=$2 '{print $1 $ARG2}'
(Example from one of my simple automation scripts at work, where $1 and $2 are the normal shell-assigned arguments.)

In this particular script, called grab, it is called like so:

./grab /*unique identifier*/ /*field number from flat file*/
i.e.- ./grab 015901492 43

That line looks for the unique identifier, then prints out the field number from the comma-delimited (that's what the "-F," is for) flat file I asked for, in the example, 43.

This might not make any sense, but I do hope it helps...

LivinFree

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xtungrabpointer

XtUngrabPointer()														 XtUngrabPointer()

Name
  XtUngrabPointer - release an active pointer grab.

Synopsis
  void XtUngrabPointer(widget, time)
	   Widget widget;
	   Time time;

Inputs
  widget    Specifies the widget which has the active pointer grab.

  time	    Specifies the time at which the grab should end.  CurrentTime is acceptable.

Availability
  Release 4 and later.

Description
  XtUngrabPointer() releases an active pointer grab by calling XUngrabPointer() with the display of w and time.

  The  time  argument may be a timestamp or the constant CurrentTime.  If this time is earlier than the last-keyboard-grab time or later than
  the current server time the keyboard will not be ungrabbed.

  See XtGrabPointer() for more information on active pointer grabs.

Usage
  Most applications will never have to issue a pointer grab.  Note that the pointer is automatically grabbed between every button down	event
  and the corresponding button up event; this covers the case for which pointer grabs are most commonly needed.

See Also
  XtGrabButton(1), XtGrabKey(1), XtGrabKeyboard(1), XtGrabPointer(1), XtSetKeyboardFocus(1), XtUngrabButton(1), XtUngrabKey(1), XtUngrabKey-
  board(1).

Xt - Mouse Handling														 XtUngrabPointer()