The CARRIAGECONTROL specifier indicates the type of carriage control used when a file is displayed at a terminal. It takes the following form:
'FORTRAN' | Indicates normal Fortran interpretation of the first character. |
'LIST' | Indicates one line feed between records. |
'NONE' | Indicates no carriage control processing. |
The default for binary (WNT, W9*) and unformatted files is 'NONE'. The default for formatted files is 'LIST'. However, if you specify /vms or /fpscomp:general, and the unit is connected to a terminal, the default is 'FORTRAN'.
On output, if a file was opened with
CARRIAGECONTROL='FORTRAN' in effect or the file was processed by the
fortpr
format utility, the first character of a record transmitted
to a line printer or terminal is typically a character that is not printed,
but is used to control vertical spacing.
For More Information:
For details on valid control characters for printing, see Printing of Formatted Records.