On Thu, 29 Mar 2001, Kevin O' Riordan wrote:
>> Hi everybody,
> got a stupid bash question here ... bash can do a lot of
> pretty good _simple_ pattern matching, ie with ${xxx##yyy} and
> such operators, also, it can match patterns for case statements.
> With this in mind, I was trying to get bash to tell me if a
> patter is in a string, ie.: is the char 'i' in the string "$-" ...
>> easy to do with grep, a la:
> (echo "$-" | grep 'i') && echo "interactive"
>> is there a way of doing it using bash purely ? I spent quite
> a while rt'ing the fm last night, but couldn't get it ...
You can do something like this:
[[ $- == *i* ]] && echo interactive
John.
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