FORTRAN Reference Manual

Compiler Directives

FORTRAN Reference Manual—528615-001

10-67

UNIT Compiler Directive

The UNIT directive causes one or more units to exist and declares the properties of the

files that will be connected to the units.

u-lower

u-upper

is a number in the range 1 through 999. u-lower is the lower bound of the range,

u-upper is the upper bound of the range.

units

is a list of unit ranges in the following form:

u-lower [ - u-upper ] [, u-lower [ - u-upper ] ]...

file

is an HP file name, DEFINE name, or a network system name.

create-spec

is one of the following:

CODE file-code

file-code is an integer in the range 0 through 32767 specifying the

Guardian file code to be associated with the file. The default value is 0.

REC record-size

record-size is an integer in the range 0 through 32767 that specifies the

record size for the file. The default value is 132.

UNITNAME name

specifies a name for the unit to be used as the logical-unit name in a

TACL ASSIGN command. The default value is FT nnn where nnn is the unit

number as a three-digit decimal integer: FT001 to FT999. name can be from 1

to 31 characters consisting of letters, digits, and hyphens.

access-code

is a keyword that is either INPUT, OUTPUT, or I-O and specifies the allowable

access for the unit. The default value is I-O.

UNIT

u lower u– upper–[]–

units , file[] , create spec–[]. . .()

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