ENFORM Reference Manual

Special Characters
ENFORM Language Elements
3–4 058057 Tandem Computers Incorporated
Special Characters Table 3-2 shows the ENFORM special characters and describes their functions within a
query.
Table 3-2. Special Characters
Character Name Character Description
blank Separates keywords and other language elements.
quotation mark Serves as delimiter for various language elements, such
as alphanumeric literals, and some display formats.
assignment syntax := Assigns a value to a target-item.
apostrophe Serves as a delimiter for display formats, some
conditional operators.
parenthesis ( ) Delimits various language elements. Must appear in
balanced pairs.
brackets [ ] Delimits subscripts, modifiers, and decorations. Must
appear in balanced pairs.
question mark ? Denotes commands when directly followed by a keyword.
comma , Separates multiple query specifications in the same
statement; always optional.
semicolon ; Terminates statements.
Comments A comment clarifies and documents the purpose of the your query. A comment is
denoted by the exclamation character (!). A comment can be the only text on a line, the
last text on a line, or text embedded within a line. When a comment is embedded
within a line, it must be enclosed with exclamation marks. For example, consider the
following comments:
!This query produces Finance Report 301
DICTIONARY finance.subvol; ! Information is confidential
OPEN finance1, !Only two files are needed! finance2;