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Visible bell mini-Howto: Defining a Visible Bell

5. Defining a Visible Bell

You can add the entry for the vb capability in your own termcap file, if it doesn't already define one. Dennis Henriksen (duke@diku.dk) suggested to insert the following line in the termcap entry for linux (note that the entry is called console in old distributions):


:vb=\E7\E[?5h\E[?5l\E[?5h\E[?5l\E[?5h\E[?5l\E[?5h\E[?5l\E8:\

The trailing backslash is used to escape the newline in the database. Dennis' code does the following (his own words):

Save the cursor position (uust a safety precaution).
Change the background color several times between normal and reverse.
Restore the cursor position.


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