g77.info: ChMod Intrinsic (subroutine)

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ChMod Intrinsic (subroutine)

     CALL ChMod(NAME, MODE, STATUS)

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

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

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

Intrinsic groups: `unix'.

Description:

   Changes the access mode of file NAME according to the specification
MODE, which is given in the format of `chmod(1)'.  A null character
(`CHAR(0)') marks the end of the name in NAME--otherwise, trailing
blanks in NAME are ignored.  Currently, NAME must not contain the
single quote character.

   If the STATUS argument is supplied, it contains 0 on success or a
non-zero error code upon return.

   Note that this currently works by actually invoking `/bin/chmod' (or
the `chmod' found when the library was configured) and so might fail in
some circumstances and will, anyway, be slow.

   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 ChMod
Intrinsic (function)::.