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Re: Substring search in dash [ _NOT_ bash ] shell

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On 9/26/2016 10:42 AM, Greg Wooledge wrote:
> On Mon, Sep 26, 2016 at 10:39:59AM -0500, Richard Owlett wrote:
>> #      string if [ "`hostname`" = bob ]; then echo bob.cfg; fi
>>
>> I need for the case when evaluates to marybobsam .
>> I can find examples in bash shell, but I need dash.
>
> Are you asking how to check for the substring "bob" in your input,
> in POSIX sh?  Use case, and a glob:
>
> case $input in
>    *bob*) echo "Bob found." ;;
> esac
>
> case $(hostname) in
>    *bob*) echo "I must be a Bob." ;;
> esac
>
>

Thank you. I was expecting an if...fi construct.
Is dash documented anywhere?
All I've found are pages saying that some "bashisms" do not work 
in dash :<

I've no experience with bash (or any shell) and in any case I'm 
constrained to using dash as I'm working with preseed.cfg .

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Re: Substring search in dash [ _NOT_ bash ] shell Greg Wooledge <wooledg@eeg.ccf.org> - 2016-09-26 17:50 +0200
  Re: Substring search in dash [ _NOT_ bash ] shell Richard Owlett <rowlett@cloud85.net> - 2016-09-27 06:00 +0200
    Re: Substring search in dash [ _NOT_ bash ] shell The Wanderer <wanderer@fastmail.fm> - 2016-09-27 06:20 +0200
    Re: Substring search in dash [ _NOT_ bash ] shell David <bouncingcats@gmail.com> - 2016-09-27 10:00 +0200

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