Infile & Outfile debugged --- SrcLineNumCounter.exe

Also, find the file "SketchCenter.java", "SearchCenter.java" back (they
SHOULD be in the project in the last commit, but disappear for no reason
0.0) and put them into the project
SrcLineNumCounter.exe is a tool to... count lines of course, input: sth
such as ".java .cs .py", output: line num in the CWD files