<language> A quite distinct descendant of SNOBOL, developed by Griswold et al in 1967. SNOBOL4 is declarative with dynamic scope. Patterns are first-class data objects that can be constructed by concatenation and alternation. Success and failure are used for flow control. Delayed (unevaluated) expressions can be used to implement recursion. It has a table data type. Strings generated at run time can be treated as programs and executed.
See also vanilla.
A FOLDOC parser in SNOBOL4!
["The SNOBOL4 Programming Language", Ralph E. Griswold et al, P-H 1971].
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Nearby terms: SNOBOL « SNOBOL2 « SNOBOL3 « SNOBOL4 » SNOOPS » 'Snooze » SNPP