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codechanges

codechanges(1)						      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)

Shell Programming and Scripting