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Have you got specific operations in mind? Here is an example of using standout mode, which on many terminals will give a strong visible result: tput smso; echo hello, world; tput rmso If you were to pipe the sequence to, say, cat, the highlighting would become an empty operation because a pipe isn't a device that understands standout mode: ( tput smso; ...


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Actually it is possible to inquire DEC terminals (and their clones and emulations, including xterm) about their capabilities; just not about individual escape sequence support (or its completeness). UNIX generally doesn't use this feature, relying on termcap/terminfo databases (which document the quirks as well). For reference, the sequences are DA ...



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