On 03/01/13 11:35, Thomas D. Dean wrote:
The ANSI standard lists ESC[4m as the code to produce an underline

 > export TERM=ansi80x25
 > printf "\033[4masdfasdfasdf"

produces green text, not underline text as stated in the standard.

If I put the same in c code, it works

#include <stdio.h>
int main() {
fputs("\033[4masdfasdf",stdout);
return 0;
}

I get underlined text.


I ran the C example in an xterm on Ubuntu!

The question remains.

Why does this produce color rather than underlined text?

The standard says ESC[32m should produce green text and ESC[4m should produce underlined text.

Tom Dean


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