Re: no duplicated lines for GNU readline history

[Lars H. <lhe...@us...>]

Petr Mikulik writes:
> Gnuplot's own readline does not keep duplicated lines in the history, so 
> browsing the command line is much faster than with GNU readline. Does 
> someone know whether the latter can be switched to behave the same way?

File: readline.info,  Node: Completion Variables,  Next: A Short Completion Example,  Prev: Completion Functions,  Up: Custom Completers
                                                                                
Completion Variables
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..
 - Variable: int rl_ignore_completion_duplicates
     If non-zero, then duplicates in the matches are removed.  The
     default is 1.
..