Mail Archives: cygwin/2004/04/30/14:06:02
Igor Pechtchanski wrote:
>On Thu, 29 Apr 2004, Buchbinder, Barry (NIH/NIAID) wrote:
>
>
>
>>-----Original Message-----
>>
>>
>>>From: Andrew DeFaria
>>>Sent: Thursday, April 29, 2004 1:18 PM
>>>To: cygwin<at>cygwin<dot>com
>>>Subject: Re: Line breaks in bash
>>>
>>>When I type a long line in the bash shell it seems to get confused when
>>>it passes the first 80 character barrier and does a newline. Below is an
>>>example.
>>>
>>>C09-272-A:# why is it in bash that when I get close to typing 80
>>>characters bash
>>>does som
>>>ething like this?
>>>
>>>Now set my prompt to the hostname as
>>>"\[\e]0;\w\a\e[01;33mC09-272-A:\e[0m". Could this be causing the problem?
>>>
>>>
>>Maybe you are missing a \] in the prompt. What you really want is something
>>like this:
>>"\[\e]0;\w\a\e[01;33m\]C09-272-A:\[\e[0m\]"
>>
>>
Placing a "\" after the "\e" and before the "[01" and "0m" causes those
functions to fail.
>
>Any sequence of non-printable characters should be enclosed in '\['..'\]'
>for bash to not count it towards the current length of the line.
>
>
Fixed my prompt to "\[\e]0;\w\a\e[01;33mC09-272-A:\e[0m\]" however the
problem is the same. The trick is to enclose *only* the unprintable
characters thus my final resulting PS1 string is:
"\[\e]0;\w\a\e[01;33m\]C09-272-A:\[\e[0m\]"
>
>
>>(What are \w and \a doing? man bash says that they should be the current
>>working directory and a bell, but they don't act like that in this prompt
>>for me.)
>>
>>
>
>'\e]0;' will set the window title to the string that follows it (up to a
>'\a', so that's the terminator). So, the above should set the window
>title to the current working directory, and the prompt will be displayed
>as "C09-272-A:". If you wanted the current working directory displayed in
>the prompt, you could use "\[\e[01;33m\]C09-272-A:\w:\[\e[0m\]" instead.
> Igor
>
>
Some people like the directory in the prompt - I like it in the title.
Directory paths tend to be long, leaving you less and less space to type
the command in. Also, being a sys adm of many machines I'm often more
concerned with which machine I'm operating on.
--
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