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Re: [Bug-readline] miscalculation with wrapped prompt line


From: Per Bothner
Subject: Re: [Bug-readline] miscalculation with wrapped prompt line
Date: Thu, 10 Dec 2015 12:41:49 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0

Here is another cute one:

PS1='\[\033[1m\]'ABCDEFGHIJKLMNOPGRSTUVWXYZ"[\#]"ABCDEFGHIJKLMNOPGRSTUVWXYZ:"\[\e[0m\]"

Start xterm; narrow the width to 50 columns; and type:
TERM=vt100

Now type a letter - say 'p'.
Readline echos the 'p' followed by "\e[C\e[C\e[C\e[C"
so the cursor is 4 spaces ahead of the 'p'.
--
        --Per Bothner
address@hidden   http://per.bothner.com/



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