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Re: [Bug-readline] Pasting long lines is slow
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From: |
Chet Ramey |
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Subject: |
Re: [Bug-readline] Pasting long lines is slow |
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Date: |
Wed, 20 May 2015 16:57:30 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 |
On 4/30/15 11:03 AM, Ole Laursen wrote:
> Hi!
>
> I'm seeing what looks to me like quadratic behaviour on pasting long
> lines in readline applications like bash, python, psql.
>
> To reproduce: open a new terminal with say bash, make a really long
> line (> 20k characters, e.g. with python -c 'print "a" * 20000'), then
> paste it into the terminal. The first characters are inserted quickly,
> but it gradually slows down. With enough data it ends up being so slow
> as to be unusable.
I will be looking at this next.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU address@hidden http://cnswww.cns.cwru.edu/~chet/