SNOBOL4 is a programming language created in 1967 by David J. Farber and Ralph E. Griswold.

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• SNOBOL4 website
• SNOBOL4 docs
• SNOBOL4 is a superset of SNOBOL3
• SNOBOL4 first developed in Bell Telephone Laboratories
• Explore SNOBOL4 snippets on Rosetta Code
• SNOBOL4 on HOPL
• Read more about SNOBOL4 on Semantic Scholar: 1.