GHS Port Reference Center
Information for maritime designers, engineers and builders Maintained by Creative Systems, Inc., Creators of GHS Click here for information about GHS and other fine marine software. |
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proj I-O clear all `Create a simple text file with three columns of data me (report) test.dat me 1 2 3 me 4 5 6 me 7 8 9 me (report) off `Add a fourth line to the test.dat write (lines) test.dat 10 11 12 view test.dat `Begin commands to read data into variables. variable n=0 Macro lines `while loop that reads three variables from each line if eof then exit `while not EOF do set n = {n} plus 1 variable X{n}, Y{n}, Z{n} read X{n} Y{n} Z{n} exit lines `exit vice execute avoids recursive macro error / `Read the first three values in each row into newly created variables read (data) test.dat .lines read (data) off `Write the variables to a txt file to verify. write (variables) variables.txt view variables.txt |
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