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unitdiff(1)		  FPC unit difference viewer		   unitdiff(1)

NAME
       unitdiff - Describe differences in the interface of a FPC unit.

SYNOPSIS
       unitdiff	 [  --disable-arguments] [ --disable-private] [ --disable-pro‐
       tected] [ --help] [ --lang=language] [ --list] [	 --output=filename]  [
       --sparse] file1 file2

Description
       unitdiff	 scans	one  or	 two  Free Pascal unit source files and either
       lists all available identifiers, or describes the differences in	 iden‐
       tifiers between the two units.

Usage
       You  can	 invoke	 unitdiff  with	 as the only required argument a input
       filename. It will then simply list all available identifiers.

       The regular use is to invoke unitdiff with input1 input2 arguments.  It
       will  then  show	 the difference in interface between the two units, or
       list the available identifiers in both units. The  output  of  unitdiff
       will go to standard output by default.

Options
       unitdiff has some options, most of them optional, defaults will be used
       in most cases.

       --disable-arguments
	      If this option is specified, unitdiff will not check  the	 argu‐
	      ments of functions and procedures. By default, these are checked
	      as well.

       --disable-private
	      By default, private methods of  classes  are  checked.  if  this
	      option is specified, private fields or methods are not checked.

       --disable-protected
	      By  default,  protected  methods of classes are checked. if this
	      option is specified, protected and private fields or methods are
	      not checked.

       --help Emit a short help text and exit.

       --lang=language
	      Sets  the language for the output file. This will mainly set the
	      strings used for the headers in various parts of the  documenta‐
	      tion  files  (by	default	 they're in english). Currently, valid
	      options are

	      de     German.

	      fr     French.

	      nl     Dutch.

       --list If this option is specified, only the list of available  identi‐
	      fiers will be specified for the unit or units. If only 1 unit is
	      specified, this option is automatically assumed.

       --output=filename
	      This option tells unitdiff where the output should go.  If  this
	      option  is  not specified, the output is sent to standard output
	      (the screen).

       --sparse
	      Turns on sparse mode. In this mode, the output will not  contain
	      the  types of the identifiers. Only the names of the identifiers
	      are written to the output. By default,  also  type  descriptions
	      are written.

SEE ALSO
	      ppc386(1) fpdoc(1)

Free Pascal		       14 November 2004			   unitdiff(1)

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