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<H2><A NAME="s2">2.</A> <A HREF="gcrontab-DOC.000.html#toc2">Work zone.</A></H2>
<P>As many other applications gcrontab has a menu bar, a toolbar (or many)
a work zone and a status bar. The menu bar and the tool bars are described
below, but in this section we are going to see the central zone of the main
dialog: the Work zone. </P>
<P>
<CENTER><FIGURE>
<EPS FILE="main.ps">
<IMG SRC="main.png"><BR>
<CAPTION>
<A NAME="IMG-MAIN"></A>
Main dialog.</CAPTION>
</FIGURE></CENTER>
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<P>In this zone the main widget is a grid. This grid
contains the lines of the crontab file. To modify the lines in the grid, you
must select one, and then click in the colum title (the atribute) that
you want modify. Then a new dialog appears. This new window is called the
<EM>cron item</EM> dialog, and with this dialog you can edit all the attributes
of the cron line. This window has to main parts. The left one have a few controls
to specify the desired time item or item range (with optional step). When you
have defined all you want you can clik the <EM>Add</EM> button to add this
specification to the selected column in the current line. You can add so many
specifications as you want. The right side contains all the specifications
that you have done.</P>
<P>
<CENTER><FIGURE>
<EPS FILE="citem.ps">
<IMG SRC="citem.png"><BR>
<CAPTION>
<A NAME="OBJ-EC1"></A>
Time range dialog.</CAPTION>
</FIGURE></CENTER>
</P>
<P>When you click in the last colum of the main grid the <EM>cron item</EM> dialog
doesn't appears, then the <EM>command</EM> dialog does. This dialog contains
only two radio buttons, one edit box and a button. First you must select
what kind of action you are going to perform when this contrab line is activated,
a single command or a list of commands (a file containing commands).
You can write in this edit box a command or the name of a file.
The button with the "..." label can work in two ways: if you have selected
the <EM>command radiobutton</EM> this button execs the command you have
writed else if you have selected the <EM>file radiobutton</EM> the button
shows the file <EM>selection dialog</EM>.</P>
<P>
<CENTER><FIGURE>
<EPS FILE="command.ps">
<IMG SRC="command.png"><BR>
<CAPTION>
<A NAME="OBJ-EC1"></A>
Command/File dialog.</CAPTION>
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