Jonas Maebe 4b8643f73b * removed some clashes between ifdefs and regular tokens 17 anni fa
..
Answers 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
ChangeLog 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
HOWTO-FPC.txt de08321368 + short instructions on how to use it 17 anni fa
LICENSE.txt 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
Makefile 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
READ.ME 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
README.1st 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
READ_ME 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
TechnReport 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
add_run.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
add_run.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
aiso.bdy 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
aiso.spc 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
algollike.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
algollike.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
clang.l 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
compare.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
compare.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
debug.par 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
error.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
error.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
hash.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
hash.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
idf.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
idf.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
javalang.l 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
lang.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
language.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
lex.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
lex.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
lisplang.l 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
m2lang.l 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
miralang.l 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
options.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
options.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
pascallang.l 4b8643f73b * removed some clashes between ifdefs and regular tokens 17 anni fa
pass1.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
pass1.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
pass2.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
pass2.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
pass3.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
pass3.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
percentages.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
percentages.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
runs.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
runs.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
settings.par 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
sim.1 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
sim.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
sim.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
sim.html 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
sim.txt 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
sortlist.bdy 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
sortlist.spc 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
stream.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
stream.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
sysidf.mk 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
sysidf.msdos 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
sysidf.unix 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
system.par 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
text.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
text.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
textlang.l 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
token.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
token.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
tokenarray.c 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa
tokenarray.h 30e4da99da * source code similarity tester (import of original 2.21 sources available 17 anni fa

README.1st

This is SIM, Software and text similarity tester, most recent revision
(2.19, 20050220)
by Dick Grune, Vrije Universiteit, Amsterdam, the Netherlands ([email protected]).

SIM tests lexical similarity in texts in C, Java, Pascal, Modula-2, Lisp,
Miranda and natural language. It can be used

- to detect potentially duplicated code fragments in large software projects,
- to detect plagiarism in software and text-based projects, educational and
otherwise.

The program is fast:
the UNIX version on a Sun ULTRA does about 50000 tokens/sec,
the DOS version on a Pentium 166 does about 25000 tokens/sec.

SIM is available for UNIX (in source code) and MSDOS (32-bit executables).

UNIX:
To obtain the files, do:
sh sim_2_21.shar
This unpacks the sources, the Makefile, sim.1 and READ_ME.
For installation notes and other info then see READ_ME.

MSDOS:
To obtain the files, do:
[pk]unzip SIM_2_21.zip
This unpacks the executables, SIM.DOC and READ.ME.
For other info then see READ.ME.

Changes from Release 2.19:
Various changes necessitated by Linux flex being different

Changes from Release 2.16:
Various updates and adjustments in the code and the installation
procedure.

Changes from Release 2.13:
Percentage reporting feature added.

Changes from Release 2.12:
Miranda checker added.

Changes from Release 2.9:
Java checker added.
The C checker 'sim' was renamed to 'sim_c', for uniformity.
Converted the sources to ANSI C.
All versions now report non_ASCI characters in the input.

Changes from Release 2.8:
DOS versions can now compare very large files (>400000 tokens)

Changes from Release 1.21, as posted in comp.sources.unix (1987):
Ported to MSDOS
Significant speed improvements
New options: -e, -S and / , to compare files group-wise
New option: -F , to require function names to match exactly
Lisp version added
Miscellaneous improvements


Dick Grune
Vrije Universiteit
de Boelelaan 1081
1081 HV Amsterdam
the Netherlands
email: [email protected]
ftp://ftp.cs.vu.nl/pub/dick
http://www.cs.vu.nl/~dick