Line number generator:
 (1) C version:   linenum.c  ==> linenum.exe
     linenum < in_file > out_file
 (2) C++ version: linen.cpp ==> linen.exe
     linen < in_file > out_file
 (3) Java version: lineno.java ==> lineno.class
     java lineno < in_file > out_file

All other files are for your study only: bug2.c, lineBug.c, ..
================================================================

Archive:  LineNzip.EXE
  Length      Date    Time    Name
---------  ---------- -----   ----
      622  10-09-2008 15:33   linenum/lineBug.c
      641  04-01-2010 19:37   linenum/linebug2.c
      622  10-09-2008 15:45   linenum/linebug3.c
      891  12-03-2008 15:59   linenum/linen.cpp
   475710  12-03-2008 16:00   linenum/linen.exe
     1023  03-07-2008 12:24   linenum/lineno.class
      669  03-07-2008 12:24   linenum/lineno.java
      886  12-03-2008 15:39   linenum/linenum.c
    15856  12-03-2008 15:39   linenum/linenum.exe
        0  04-01-2010 19:43   linenum/
---------                     -------
   496920                     10 files