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Annotation of 43BSDTahoe/new/help/src/f77/tapes, revision 1.1.1.1

1.1       root        1: .TI F77/TAPES "Sep. 4, 1985"
                      2: Using magnetic tapes with f77 programs
                      3: 
                      4: Fortran logical units may be used for disk files, but not generally
                      5: for reading and writing magnetic tapes.
                      6: For magnetic tapes, use the special routines described in "man 3f topen".
                      7: A sample program to read an unblocked tape is in "help f77 tp_ex1.f",
                      8: a sample to read a blocked tape is in "help f77 tp_ex2.f".
                      9: They are set up to get the device name from the environment variable 'tape1'.
                     10: 
                     11: To save the help file in a file of your own, use the help '>' command,
                     12: i.e. at the help prompt, type:
                     13: 
                     14:        tp_ex1.f > myfile.f
                     15: 
                     16: If you need to rerun the program, to rewind the tape, either use
                     17: the trewin() function (see "man 3f topen") or use:
                     18: 
                     19:        mt -t $tape1 rew
                     20: 
                     21: or use the UNIX "rewind" command.

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