Shell Programming and Scripting

Hi

I use the following compare

Code:

if [[ "${ben_lfw[@]}" == *"$vl"* ]]; then ...

Can anyone tell me, how to code the compare for unequal? I got no results from google searches.

Any hint or tip is welcome.

Regards
Lazy

Use =~ in place of ==

Code:

$ echo $X
12xx34
$ [[ $X =~ xx ]] && echo Yes  
Yes

I think you may have misunderstood the OP's problem statement. They are using == to test for equality and are asking how to test for inequality. The inverse of == is !=, not =~.

== and != treat the right operand as a pattern (glob). =~ has the same sense of equality as == but it expects an extended regular expression instead of shell pattern matching notation.

Regards,
Alister

Not really. The subject title and code, as given, suggested more an attempt to match against a non-exact string that negate a match.

Scott:
I've already been wrong a couple of times today. There is no way it is happening again! All joking aside ...

lazybaer:
If you need to switch from shell pattern notation to extended regular expressions, you need to carefully consider the transition. Certain characters, such as dot, asterisk, or question mark (among others), have a different meaning and simply backslash escaping is insufficient.

Regards,
Alister

Thanks Allister

!= is working

Lazy