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90 lines
3.0 KiB
XML
90 lines
3.0 KiB
XML
<?xml version="1.0" encoding="ISO8859-1"?>
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<fpdoc-descriptions>
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<!--
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$Id$
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This file is part of the FPC documentation.
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Copyright (C) 1997, by Michael Van Canneyt
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The FPC documentation is free text; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The FPC Documentation is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the FPC documentation; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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-->
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<package name="rtl">
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<module name="printer">
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<short>The PRINTER unit.</short>
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<!-- \FPCexampledir{printex} -->
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<descr>
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This chapter describes the PRINTER unit for Free Pascal. It was written for
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dos by Florian Klaempfl, and it was written for linux by Michael Van
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Canneyt, and has been ported to Windows and os/2 as well.
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Its basic functionality is the same for al supported systems, although there
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are minor differences on linux/unix.
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</descr>
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<element name="DefFile">
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<short>Default printer file name</short>
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<descr>
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This constant is used to initialize the <link id="Lst"/> file on Linux. It
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is the filename argument that is given to <link id="AssignLst"/>.
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</descr>
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</element>
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<element name="lst">
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<short>Default printing file.</short>
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<descr>
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<var>Lst</var> is the standard printing device. <br/> On linux,
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<var>Lst</var> is set up using <var>AssignLst('/tmp/PID.lst')</var>.
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You can change this behaviour at compile time, setting the <link
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id="DefFile"/> constant.
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</descr>
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<seealso>
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<link id="AssignLst"/>
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</seealso>
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</element>
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<element name="AssignLst">
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<short>Assign text file to printing device</short>
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<descr>
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<p>
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<var>AssignLst</var> Assigns to <var>F</var> a printing device - <em>Unix only</em>.
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<var>ToFile</var> is a string with the following form:
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</p>
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<ul>
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<li> <var> '|filename options'</var> : This sets up a pipe with the program filename,
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with the given options, such as in the popen() call.
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</li>
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<li> <var> 'filename'</var> : Prints to file filename. Filename can contain the string 'PID'
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(No Quotes), which will be replaced by the PID of your program.
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When closing lst, the file will be sent to lpr and deleted.
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(lpr should be in PATH)
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</li>
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<li> <var> {'filename|'}</var> Idem as previous, only the file is NOT sent to lpr, nor is it
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deleted. (useful for opening /dev/printer or for later printing)
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</li>
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</ul>
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</descr>
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<errors>
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Errors are reported in Linuxerror.
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</errors>
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<seealso>
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<link id="lst"/>
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</seealso>
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<example file="printex/printex"/>
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</element>
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</module>
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</package>
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</fpdoc-descriptions>
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