g77.info: Access Intrinsic

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Access Intrinsic

     Access(NAME, MODE)

Access: `INTEGER(KIND=1)' function.

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

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

Intrinsic groups: `unix'.

Description:

   Checks file NAME for accessibility in the mode specified by MODE and
returns 0 if the file is accessible in that mode, otherwise an error
code if the file is inaccessible or MODE is invalid.  See `access(2)'.
A null character (`CHAR(0)') marks the end of the name in
NAME--otherwise, trailing blanks in NAME are ignored.  MODE may be a
concatenation of any of the following characters:

`r'
     Read permission

`w'
     Write permission

`x'
     Execute permission

`SPC'
     Existence