# OPEN: DELIM Specifier

The DELIM specifier indicates what characters (if any) are used to delimit character constants in list-directed and namelist output. It takes the following form:

DELIM = del

del | Is a scalar default character expression that evaluates to one of the following values:
'APOSTROPHE' | Indicates apostrophes delimit character constants. All internal apostrophes are doubled.
'QUOTE' | Indicates quotation marks delimit character constants. All internal quotation marks are doubled.
'NONE' | Indicates character constants have no delimiters. No internal apostrophes or quotation marks are doubled.

The default is 'NONE'.

The DELIM specifier is only allowed for files connected for formatted data transfer; it is ignored during input.

This specifier is not allowed on unformatted input or output.

Parent topic: OPEN Statement Specifiers