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Linux Journal: So You Like Color--The Mysterious ^[[ Characters

Oct 12, 2005, 08:30 (0 Talkback[s])
(Other stories by Pradeep Padala)


Desktop-as-a-Service Designed for Any Cloud ? Nutanix Frame

"Have you ever redirected the output of a curses program with colors and wondered what those mysterious ^[[ symbols are? Have you ever tried to produce colors with a printf command without using curses? If the answer to either of these questions is yes, read on. This article attempts to explain the mysterious characters that one finds in the output of a curses program that produces colors. Later, we extend this concept to produce colors with a mere printf command.

"In the old days of teletype terminals, terminals were located far away from computers and were connected to them through serial cables..."

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