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-<?xml version="1.0" encoding="utf-8"?>
-<page xmlns="http://projectmallard.org/1.0/" type="topic" id="progress" xml:lang="en-GB">
- <info>
- <link type="guide" xref="index#dialogs"/>
- <desc>Use the <cmd>--progress</cmd> option.</desc>
- </info>
- <title>Progress Dialogue</title>
- <p>
- Use the <cmd>--progress</cmd> option to create a progress dialog.
- </p>
-
- <p>
- <app>Zenity</app> reads data from standard input line by line. If a line is prefixed with #, the text is updated with the text on that line. If a line contains only a number, the percentage is updated with that number.
- </p>
-
- <p>The progress dialogue supports the following options:</p>
-
- <terms>
-
- <item>
- <title><cmd>--text</cmd>=<var>text</var></title>
- <p>Specifies the text that is displayed in the progress dialogue.</p>
- </item>
-
- <item>
- <title><cmd>--percentage</cmd>=<var>percentage</var></title>
- <p>Specifies the initial percentage that is set in the progress dialogue.</p>
- </item>
-
- <item>
- <title><cmd>--auto-close</cmd></title>
- <p>Closes the progress dialogue when 100% has been reached.</p>
- </item>
-
- <item>
- <title><cmd>--pulsate</cmd></title>
- <p>Specifies that the progress bar pulsates until an EOF character is read from standard input.</p>
- </item>
-
- </terms>
-
- <p>
- The following example script shows how to create a progress dialog:
- </p>
-
-<code>
-#!/bin/sh
-(
-echo "10" ; sleep 1
-echo "# Updating mail logs" ; sleep 1
-echo "20" ; sleep 1
-echo "# Resetting cron jobs" ; sleep 1
-echo "50" ; sleep 1
-echo "This line will just be ignored" ; sleep 1
-echo "75" ; sleep 1
-echo "# Rebooting system" ; sleep 1
-echo "100" ; sleep 1
-) |
-zenity --progress \
- --title="Update System Logs" \
- --text="Scanning mail logs..." \
- --percentage=0
-
-if [ "$?" = -1 ] ; then
- zenity --error \
- --text="Update canceled."
-fi
-</code>
-
-
- <figure>
- <title>Progress Dialogue Example</title>
- <desc><app>Zenity</app> progress dialog example</desc>
- <media type="image" mime="image/png" src="figures/zenity-progress-screenshot.png"/>
- </figure>
-</page>
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