# TestFilter

The `TestFilter` code demonstrates most of the Filtering methods available in the .NET API. The command-line options are listed in Options for FilterTestDotNet -ft1.

To run `TestFilter`, type the following at the command line:

    FilterTestDotNet filtermode [options] input_file output_file

where:

`filtermode` is one of the options listed in Filter modes

`options` is one or more of the options listed in Options for FilterTestDotNet -ft1. Options are available for the `-ft1` filter mode only.

`input_file` is the path and file name of the source file.

`output_file` is the path and file name of the generated file. If you do not specify a path, the file is output to the current directory.

Filter modes

Mode | Description
--- | ---
`-ft1` | Filters an input file to an output file.
`-ft2` | Filters an input stream to an output file.
`-ft3` | Filters an input file to an output stream.
`-ft4` | Filters an input stream to an output stream.

Options for FilterTestDotNet -ft1

Option | Description
--- | ---
`-co ooperrorlog` | Enable error logging. See Enable or Disable Error Logging. Error logs are not generated when in-process filtering is enabled.
`-cs charset` | Set the character set of the source file. `charset` is a character set defined in the Filter class. See Coded Character Sets.
`-ct tempfile` | Specify a temporary directory where temporary files generated by the filtering process are stored. The default is the current working directory. On Windows systems, there is a 64 K size limit to the temporary directory. When the limit is reached, you must either create a new directory or delete the contents of the existing directory; otherwise, you might receive an error message.
`-cx xmlconfigfile` | Filter an XML file by using customized extraction settings defined in the `kvxconfig.ini` file. If you do not enter the full path to the INI file, the program looks for the file in the current working directory. See Filter XML Files.
`-d` | Extract the file format information.
`-dr binDir` | Specify the filter working directory where KeyView binaries are stored. Typically, this is the `bin` directory.
`-fto timeout` | Specifies a Filter timeout value in seconds.
`-h` | Extract headers and footers, as well as the body text.
`-ht` | Put tags around header and footer data.
`-i filename` | Extract the metadata (summary information) and write it to a file. `filename` is the name of the file to which the metadata is written. See Extract Metadata.
`-ia summaryfile` | Extract the document summary information and write it to a summary file, including all metadata for the `pdfsr` reader.
`-im` | If you set this option, text that was deleted from a document with revision tracking enabled is extracted from the document and included in the filtered output. See Extract Deleted Text Marked by Tracked Changes.
`-ip` | Run Filter in the same process as the calling application (in process). See Run Filter In Process.
`-lo` | Specify that PowerPoint PPT97 and PPTX file text data is output in a logical reading order.
`-ne` | Exclude embedded objects in Microsoft Word files.
`-pdfauto` | The PDF filter determines the paragraph direction (left-to-right or right-to-left) for each PDF page, and then sets the direction accordingly. See Filter PDF Files.
`-pdfltr` | Specify that PDF files are output in a logical reading order in left-to-right paragraph direction.
`-pdfrtl` | Specify that PDF files are output in a logical reading order in right-to-left paragraph direction.
`-rc character` | Set a replacement character for characters that cannot be mapped. The default is a question mark (?).
`-tc charset` | Set the character set of the output file. Use the `-getTargetCS` option to determine whether the target character set specified is used in the output file. `charset` is a character set defined in the Filter class. See Coded Character Sets.
`-um` | Use MSBLSB byte order. MSBLSB is the "Most Significant Byte Least Significant Byte," or in other words, the byte order for Big Endian systems (Unicode text only).
`-ul` | Use LSBMSB byte order. LSBMSB is the "Least Significant Byte Most Significant Byte," or in other words, the byte order for Little Endian systems (Unicode text only).
`-ulb` | Generate LSBMSB output with byte order marker (Unicode text only).
`-umb` | Generate MSBLSB output with byte order marker (Unicode text only).
`-embeddedfont` | If you use this option, text that contains embedded fonts is not filtered from PDF documents. See Filter PDF Files.

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