Generating a reverse lookup stemming table

Example: declaration,declar

There are two implementations of the this work in Python and Matlab C++ is under development

Takes and input file and generates a reverse stemming lookup file the output file is called "output.txt" and it is in csv format and is readable by excel

The Matlab implementation is 35 times slower than Python Also the Matlab version tool much more time for development :)

I have used a large corpus to compare the two implementations. Below is how much it took for each code to generate the lookup table

Matlab: 56.223619 (sec) Python: 1.606278 (sec)

The decleration of independence

the,the

declaration,declar

of,of

independence,independ

a,a

transcription,transcript

in,in

congress,congress

july,juli

the,the

unanimous,unanim

declaration,declar