Re: autotools
Hi,
Greg Wooledge:
> http://www.opengroup.org/onlinepubs/007908799/xcu/chap2.html#tag_001_009_004_002
> First, the list of words following in will be expanded to generate a list
> of items. Then, the variable name will be set to each item, in turn,
> and the compound-list executed each time. If no items result from the
> expansion, the compound-list will not be executed.
Looks like these POSIX specs have been interpreted differently
by the shell developers in the past.
On the SuSE 6.x system:
$ bash --version
GNU bash, version 2.03.0(1)-release (i686-pc-linux-gnu)
Copyright 1998 Free Software Foundation, Inc.
$ for i in ; do echo hello ; done
bash: syntax error near unexpected token `;'
$ x=""
$ for i in $x ; do echo hello ; done
$
The decisive point seems wether the "list of words following in"
is allowed to be empty or not. An empty result of its expansion is
allowed and even a 9 year old bash knows that.
Have a nice day :)
Thomas
Reply to:
- Follow-Ups:
- Re: autotools
- From: Joerg.Schilling@fokus.fraunhofer.de (Joerg Schilling)