assignment-name-1

Can be either a user-defined word or a literal.

User-defined word

Assignment-name-1 must follow the rules for a COBOL word. The name component of the assignment name can be up to 30 characters in length. A user-defined word is treated as one of the following:

• Environment variable name-- At program initialization, the name is used as an environment variable. If the environment variable value is set, that value is treated as the system file name optionally preceded by the file-system ID. See "Assignment Name for Data-Names and Environment Variables" in topic 4.2.3.2.2 for details.

• System file ID of the platform-- If the environment variable indicated by the name is not set, the user-defined word is treated as the system file name, optionally preceded by the file-system ID and a comment character string. See "Assignment Name for Non-Environment Variables and Literals" in topic 4.2.3.2.1 for details.

Literal

Assignment-name-1 is treated as the actual file ID for the platform. Assignment-name-1 must follow the rules for a COBOL literal with the length of one to 160 characters. See "Assignment Name for Non-Environment Variables and Literals" in topic 4.2.3.2.1 for details.

All characters specified within the literal delimiters are used without any mapping.

X USING data-name-9

X Must be defined as an alphanumeric data item, and must not be
X subordinate to the file description for file-name-1. The content is
X evaluated when OPENed to identify the assignment name. See
X "Assignment Name for Data-Names and Environment Variables" in
X topic 4.2.3.2.2 for details.

Subtopics:

• 4.2.3.2.1 Assignment Name for Non-Environment Variables and Literals
• 4.2.3.2.2 Assignment Name for Data-Names and Environment Variables

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