![]() ![]() Almost every character is a command-a one- or two-character sequence replaces the usual keywords of more verbose languages-thus "any" character string is a TECO program, although not necessarily a useful one. Its great power was the ability to construct complex macros using matching criteria that rival the regular expressions in common use today. TECO, noted for its complex syntax, can be considered a general-purpose, interpreted programming language for text manipulation. With all the dialects included, TECO may have been the most prolific editor in use before the vi editor (later included with many Unix operating systems), and before the Emacs editor, to which TECO was directly ancestral ('Emacs' originally stood for" Editing MACro S "running on TECO). ![]() TECO (pronounced /tee'koh/ originally an acronym for " Tape Editor and COrrector", but later "Text Editor and COrrector") is a text editor originally developed at the Massachusetts Institute of Technology (MIT) in the 1960s, after which it was modified by 'just about everybody'. ![]()
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