Am 5/6/2011 9:43, schrieb Michael J Gruber:
> Junio C Hamano venit, vidit, dixit 05.05.2011 22:02:
>> Kacper Kornet <draenog@xxxxxxxxxxxxx> writes:
>>> - printf "fatal: Path '$2$3' $4, but not ${5:-'$3'}.\n" >expected &&
>>> - printf "Did you mean '$1:$2$3'${2:+ aka '$1:./$3'}?\n" >>expected &&
>>> + printf "fatal: Path '$2$3' $4, but not ${5:-\'$3\'}.\n" >expected &&
>>> + printf "Did you mean '$1:$2$3'${2:+ aka \'$1:./$3\'}?\n" >>expected &&
> Other than that, I have no objections if this patch makes more shells
> happy and no happy ones unhappy.
>
> Is your ksh OK with all other tests?
Note that:
- With the proposed change, bash now prints the backslashes.
- The printfs should be echos, really.
- The behavior of quoting at the right of :- when the ${...:-...} exansion
appears in double-quotes was debated recently at length at the Austin
group (which revises the POSIX standard). You better move the expansions
to assignments of temporary variables, where you don't need the
surrounding double-quotes:
butnot=${5:-\'$3\'} aka=${2:+ aka \'$1:./$3\'}
Here, the backslash unambiguously quotes the next character.
-- Hannes
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