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codechanges(1)							codechanges(1)

NAME
       codechanges  -  computes	 the  amount  of code changes between two code
       trees or single files

SYNOPSIS
       codechanges [-n] old-directory new-directory

       codechanges [-n] old-file new-file

DESCRIPTION
       codechanges recursively compares the two named directories  (or	files)
       calculating  new/deleted/changed lines, not including comments or blank
       lines, in files which appear to be source files	(C,  C++,  shell,  and
       Makefiles).  To include comments and blank lines, use the -n option.

APPLICATIONS
       codechanges  is	purpose	 designed to measure the amount of code change
       between milestones in a project's life.	The following output  is  from
       two  stages,  plus  some	 artificial  test  cases,  in the pmccabe code
       stream:

       NEW  DELETED   CHANGED	Old File, New File
       11   19	 4    old.pmccabe/./Makefile pmccabe/./Makefile
       214  10	 39   old.pmccabe/./cparse.c pmccabe/./cparse.c
       463  0	 0    NEWFILE pmccabe/./decomment.c
       147  4	 39   old.pmccabe/./dmain.c pmccabe/./dmain.c
       10   0	 0    NEWFILE pmccabe/./dmain.h
       407  0	 0    NEWFILE pmccabe/./getopt.c
       48   0	 0    NEWFILE pmccabe/./getopt.h
       9    18	 12   old.pmccabe/./gettoken.c pmccabe/./gettoken.c
       18   18	 15   old.pmccabe/./io.c pmccabe/./io.c
       175  43	 20   old.pmccabe/./nmain.c pmccabe/./nmain.c
       194  11	 22   old.pmccabe/./pmccabe.c pmccabe/./pmccabe.c
       42   0	 20   old.pmccabe/./pmccabe.h pmccabe/./pmccabe.h
       0    1318 0    old.pmccabe/./test/langMode.c DELETED
       24   0	 0    NEWFILE pmccabe/./test006/Grapher.H
       620  0	 0    NEWFILE pmccabe/./test006/Handler.H
       442  0	 0    NEWFILE pmccabe/./test006/NodeArc.H
       764  0	 0    NEWFILE pmccabe/./w/parser.C
       95   0	 0    NEWFILE pmccabe/./w/tokens.h
       4    0	 0    NEWFILE pmccabe/./x.sh
       3687 1441 171  TOTAL

DIAGNOSTICS
       There aren't many at this time.

BUGS
       codechanges thinks it knows what source files are interesting  and  the
       user  may not agree with its choices.  It's a script and should be easy
       to modify.  Ultimately this should probably be configurable.

       codechanges uses a program called decomment which guesses  how  to  de-
       comment a file based on its file name and it's not always perfect.

AUTHOR
       Paul Bame

SEE ALSO
       pmccabe(1), decomment(1)

HP				   12Feb2003			codechanges(1)

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