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(g77-295.info)System Intrinsic (subroutine)

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System Intrinsic (subroutine)
.............................

     CALL System(COMMAND, STATUS)

COMMAND: `CHARACTER'; scalar; INTENT(IN).

STATUS: `INTEGER(KIND=1)'; OPTIONAL; scalar; INTENT(OUT).

Intrinsic groups: `unix'.

Description:

   Passes the command COMMAND to a shell (see `system(3)').  If
argument STATUS is present, it contains the value returned by
`system(3)', presumably 0 if the shell command succeeded.  Note that
which shell is used to invoke the command is system-dependent and
environment-dependent.

   Some non-GNU implementations of Fortran provide this intrinsic as
only a function, not as a subroutine, or do not support the (optional)
STATUS argument.

   For information on other intrinsics with the same name: Note: System
Intrinsic (function).