[EMAIL PROTECTED] (Bob Proulx) writes:
>> 2- word splitting when IFS contains non-blank characters varies
>> from one shell to the next, and in most implementations
>> (including bash and AT&T ksh, it differs from the way the shell
>> splits $PATH internally to look up a command ("/bin:" is "/bin"
>> and "" as far as PATH look up is concerned
>
> Negative. In AT&T ksh (and others) "/bin:" is "/bin" and "." for PATH
> lookup.
>
>> while bash world splitting splits "/bin:" into only "/bin").
>
> Negative. In bash "/bin:" is "/bin" and "." for PATH lookup.
The point is that word splitting does not preserve the empty element at
the end, thus it differs from PATH lookup.
$ (PATH=/bin:; IFS=:; for x in $PATH; do echo "$x"; done) | wc -l
1
Andreas.
--
Andreas Schwab, SuSE Labs, [EMAIL PROTECTED]
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
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