Big-Data-HPC-Platform/docs/ECLStandardLibraryReference/SLR-Mods/GetLogicalFileAttribute.xml

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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
<sect1 id="GetLogicalFileAttribute">
  <title>GetLogicalFileAttribute</title>

  <para><emphasis role="bold">STD.File.GetLogicalFileAttribute<indexterm>
      <primary>STD.File.GetLogicalFileAttribute</primary>
    </indexterm><indexterm>
      <primary>File.GetLogicalFileAttribute</primary>
    </indexterm><indexterm>
      <primary>GetLogicalFileAttribute</primary>
    </indexterm>(</emphasis> <emphasis> logicalfilename, attrname </emphasis>
  <emphasis role="bold">)</emphasis></para>

  <informaltable colsep="1" frame="all" rowsep="1">
    <tgroup cols="2">
      <colspec colwidth="80.50pt" />

      <colspec />

      <tbody>
        <row>
          <entry><emphasis>logicalfilename</emphasis></entry>

          <entry>A null-terminated string containing the name of the logical
          file as it is known by the DFU.</entry>
        </row>

        <row>
          <entry><emphasis>attrname</emphasis></entry>

          <entry>A null-terminated string containing the name of the file
          attribute to return. Possible values are recordSize, recordCount,
          size, clusterName, directory, numparts, owner, description, ECL,
          partmask, numparts, name, modified, format, or protected. The value
          is case-sensitive.</entry>
        </row>

        <row>
          <entry>Return:<emphasis> </emphasis></entry>

          <entry>GetLogicalFileAttribute returns returns a VARSTRING
          (null-terminated) value.</entry>
        </row>
      </tbody>
    </tgroup>
  </informaltable>

  <para>The <emphasis role="bold">GetLogicalFileAttribute </emphasis>function
  returns the value of the <emphasis>attrname</emphasis> for the specified
  <emphasis>logicalfilename</emphasis>.</para>

  <para>Example:</para>

  <programlisting format="linespecific">IMPORT STD;
file := '~class::bmf::join::halfkeyed';

OUTPUT(STD.File.GetLogicalFileAttribute(file,'recordSize'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'recordCount'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'size'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'clusterName'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'directory'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'numparts'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'owner'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'description'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'ECL'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'partmask'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'numparts'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'name'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'modified'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'protected'));
OUTPUT(STD.File.GetLogicalFileAttribute(file,'format'));
</programlisting>
</sect1>