Conversion predefined symbols and environment variables

Symbols in conversion file entries shows symbols available for use within conversion file entries; that is, symbol substitutions available directly in the  conversion file. (In constrast, Environment variables for use by conversion channel shell procedures below shows environment  variables available for use within a conversion shell script  procedure.)

Symbols may be substituted into a conversion entry by enclosing the symbol name in single quotes.

To obtain a literal single quote in a conversion entry, quote it with the backslash character,. To obtain a literal backslash in a conversion entry, use two backslashes,.

Environment variables for use by conversion channel shell proceduresshows the basic set of environment variables (UNIX) available for use by the conversion command.

Additional environment variables (UNIX or NT) containing Content-type: parameter information or Content-disposition: parameter information can  be created as they are needed using the    and    facilities, respectively; see Available conversion parameters, grouped by functionality.

Override options for passing information back to the conversion channelshows additional "override" options  available (on UNIX) for use by the conversion channel. The converter procedure may use these to pass information back to the conversion  channel. To set these options on UNIX, set   in the desired conversion entry and then have the converter procedure  set the desired options in the   file.

See also:
 * Conversion script header access
 * Conversion script exit statuses
 * Conversion control