To compile test program run r.sh. 

The shell script will run make and create a trace file trace.txt.
  
To clean type make clean.

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test12ls.cob Test Rewrite on Line Sequential Files.
test12s.cob Test Rewrite on Sequential Files.
test12r.cob Test Rewrite on Relative Files.
test12i.cob Test Rewrite on Indexed Files.
