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Full Discussion: Progress indicator script
Top Forums Shell Programming and Scripting Progress indicator script Post 302243105 by fpmurphy on Friday 3rd of October 2008 05:37:10 PM
Old 10-03-2008
The alarm disciple function of ksh93 can be used to output a progress bar as the following simple example shows:
Code:
#!/usr/bin/ksh93

alarm -r progressbar +1

progressbar.alarm()
{
   tput cup 2 10
   (( ++progressbar.pvalue > 50 )) && {
      tput cup 2 10; tput el
      progressbar.pvalue=0
   }
   printf "Progress: %s" "${progressbar.pstr:1:${progressbar.pvalue}}"
}

progressbar.pvalue=0
progressbar.pstr="XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"

tput clear
read dummy        # dummy wait - press return to exit
tput clear

exit 0

 

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ttk::progressbar(n)						 Tk Themed Widget					       ttk::progressbar(n)

__________________________________________________________________________________________________________________________________________________

NAME
ttk::progressbar - Provide progress feedback SYNOPSIS
ttk::progressbar pathName ?options? _________________________________________________________________ DESCRIPTION
A ttk::progressbar widget shows the status of a long-running operation. They can operate in two modes: determinate mode shows the amount completed relative to the total amount of work to be done, and indeterminate mode provides an animated display to let the user know that something is happening. STANDARD OPTIONS
-class -cursor -takefocus -style See the ttk_widget manual entry for details on the standard options. WIDGET-SPECIFIC OPTIONS [-orient orient] One of horizontal or vertical. Specifies the orientation of the progress bar. [-length length] Specifies the length of the long axis of the progress bar (width if horizontal, height if vertical). [-mode mode] One of determinate or indeterminate. [-maxi- mum maximum] A floating point number specifying the maximum -value. Defaults to 100. [-value value] The current value of the progress bar. In determinate mode, this represents the amount of work completed. In indeterminate mode, it is interpreted modulo -maximum; that is, the progress bar completes one "cycle" when the -value increases by -maximum. [-variable variable] The name of a Tcl variable which is linked to the -value. If specified, the -value of the progress bar is automatically set to the value of the variable whenever the latter is modified. [-phase phase] Read-only option. The widget periodically increments the value of this option whenever the -value is greater than 0 and, in determinate mode, less than -maximum. This option may be used by the current theme to provide additional animation effects. WIDGET COMMAND
pathName cget option Returns the current value of the specified option; see ttk::widget(n). pathName configure ?option? ?value option value ...? Modify or query widget options; see ttk::widget(n). pathName identify x y Returns the name of the element at position x, y. See ttk::widget(n). pathName instate statespec ?script? Test the widget state; see ttk::widget(n). pathName start ?interval? Begin autoincrement mode: schedules a recurring timer event that calls step every interval milliseconds. If omitted, interval defaults to 50 milliseconds (20 steps/second). pathName state ?stateSpec? Modify or query the widget state; see ttk::widget(n). pathName step ?amount? Increments the -value by amount. amount defaults to 1.0 if omitted. pathName stop Stop autoincrement mode: cancels any recurring timer event initiated by pathName start. SEE ALSO
ttk::widget(n) Tk 8.5 ttk::progressbar(n)
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