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          <th colspan="3" align="center">LPRng Reference Manual: 24
          Sep 2004 (For LPRng-3.8.28)</th>
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      <h1 class="SECT1"><a name="AEN4139">5.4. PRINTER, LPDEST,
      NPRINTER, and NGPRINTER Environment Variables</a></h1>

      <p>If no command line option is specified, the <b class=
      "APPLICATION">LPRng</b> clients will use the first defined
      <acronym class="ACRONYM">PRINTER</acronym>, <acronym class=
      "ACRONYM">LPDEST</acronym>, <acronym class=
      "ACRONYM">NPRINTER</acronym>, or <acronym class=
      "ACRONYM">NGPRINTER</acronym> environment variable value and
      will use the value as though specified as a <var class=
      "LITERAL">-P$PRINTER</var> command line literal. If the value
      has the form <var class="LITERAL">-Pprinter@host</var> the
      print queue will be <var class="LITERAL">printer</var> on
      server <var class="LITERAL">host</var> and not consult the
      printcap database. If the value has the form <var class=
      "LITERAL">printer</var> then the printcap will be searched
      for a <var class="LITERAL">printer</var> printcap entry. For
      example:</p>

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        <a name="AEN4153"></a>
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    export PRINTER=laser@10.0.0.1; lpr
      equivalent to printcap entry:
        laser:lp=laser@10.0.0.1
    export PRINTER=pr; lpr
      look up printcap entry for 'lp'
</pre>
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