Example session:
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$ dircmp2 -h
dircmp2 V4.1 (18.07.1996)
(C) Thomas Radtke 1996
syntax: dircmp2 [-{cdDfhiprtxXv}] <directory1> [directory2]

The dircmp2 command lists all files and directories of directory1, that
cannot be found in directory2. If directory2 is omitted, the current
working dir is used

Flags:

-c            compare files
-d            show only directorys
-D            show differing files only
-f            show only files
-h            this page
-i            inverse comparison
-p            show full pathnames
-r            subdir scan
-t            indent subdir results
-x <pattern>  case insensitive pattern specification
-X <pattern>  case sensitive pattern specification
-v            explain the results, but do not operate

History:
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/*
	dircmp2 command

	14.03.1996 (first Amiga release)
	(C) 1996 Thomas Radtke
	E-Mail: Thomas.Radtke@rz.Uni-Osnabrueck.DE
	This software is freeware, see copyright notice above.

	revision 28.03.96: (2nd Amiga release)

	- fix memory leak (AllocDosObject())
	- new options -x,-X,-D,-v
	- better memory management (free memory after usage ;)

	revision 6.04.96: (3rd Amiga release)

	- abort handling
	- resource tracking
	- fixing double unlocking

	revision 11.04.96: (never released)

	- more resource tracking (locks)

	revision 1.05.96: (4th Amiga release)

	- removed bug on empty files
	- added warnings about non-fatal locking errors 

	revision 18.07.96:

	- removed faulty operator ( _ex_&_ dir1)
	- existing dirs were printed on -d regardless of -i, fixed
*/

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
drwx------     0/0           0       0 ****** -lhd- 0000 Jul 18  1996 dircmp2a4.1/
-rwx------     0/0         199     316  63.0% -lh5- b9d3 Jul 18  1996 dircmp2a4.1/NEWS
drwx------     0/0           0       0 ****** -lhd- 0000 Jul 18  1996 dircmp2a4.1/bin/
-rwx------     0/0        8317   16096  51.7% -lh5- 05bd Jul 18  1996 dircmp2a4.1/bin/dircmp2
-rwx------     0/0         852    1739  49.0% -lh5- 2c37 Jul 18  1996 dircmp2a4.1/dircmp2a4.1.readme
drwx------     0/0           0       0 ****** -lhd- 0000 Jul 18  1996 dircmp2a4.1/doc/
-rwx------     0/0        1206    2843  42.4% -lh5- 390c Jul 18  1996 dircmp2a4.1/doc/dircmp2.doc
drwx------     0/0           0       0 ****** -lhd- 0000 Jul 18  1996 dircmp2a4.1/src/
-rwx------     0/0        3433   11249  30.5% -lh5- 1e97 Jul 18  1996 dircmp2a4.1/src/dircmp2.c
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         9 files   14007   32243  43.4%            Jul 19  1996