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codechanges(1)         DragonFly General Commands Manual        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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