Re: Weird custom bash location setup.

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#797

From: unruh
Date: Thu, 01 Dec 2011 23:12

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On 2011-12-01, Ant <ANTant@zimage.com> wrote:
> In comp.os.linux.setup ceving <ceving@gmail.com> wrote:
>> On Nov 29, 3:23?pm, Ant <a...@zimage.comANT> wrote:
>> >
>> > PS1="\u@\h \[\e[33m\]\W\[\e[0m\] \[\`if [[ \$? = "0" ]]; then echo
>> > '\e[32m=)\e[0m'; else echo '\e[31m=(\e[0m' ; fi\`\] \$ "
>> > alias grep='grep --color'
>> >
>
>> BTW: Why is it necessary to quote numbers: "0"?
>
> I don't know. I got this bash customization from /. many years ago. :)

"=" is a string comparison-- is string A the same as string B. "0" is s
string containing the single character 0. 0 on its own is either a
number ( which is not a string) or a character (which is again not a
string)

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From: unruh <unruh@invalid.ca>
Subject: Re: Weird custom bash location setup.
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