List Archive: gentoo-dev
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Excerpts from Joshua Kinard's message of 2011-09-13 14:26:02 +0200:
> > You don't need -n/-z with [[.
> > [[ $var ]] == [[ -n $var ]]
> > [[ ! $var ]] == [[ -z $var ]]
> What about other comparisons, like -f, -e, or -d?
Same as inside [, but no need of quotes inside [[.
> Also, is this a bash4-only thing, or bash3 and/or bash2 as well?
I'm not sure.
OT: When I was going through recruitment process, dberkholz pointed to
me that I use things bash4-only. And again: why we need to stick to
ancient 3 version? I would understand pseudo POSIX compatibility, but
what is the benefit of bash3 compatibility while bash4 is stable
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