Thanks for the responses guys, but.. > -----Original Message----- > From: David Laight [mailto:[EMAIL PROTECTED]] > Sent: Friday, April 19, 2002 3:33 AM > Cc: Wine devel (E-mail) > Subject: Re: Please educate me > > > On Fri, Apr 19, 2002 at 04:13:03AM +0200, Sylvain Petreolle wrote: > > > noticed that > > > > > > for ac_dir in /sbin:/usr/sbin:$PATH > > > > > > was splitting as > > > 1. /sbin:/usr/sbin:/usr/local/bin > > > 2. /bin > > > 3. /usr/bin > > > etc. > > > > it's a normal behaviour, because for uses space as a > > separator, not ':' ?? > > > > > > > > Now, I know I can force it to work by changing the > > > for loop to > > > for ac_dir in /sbin /usr/sbin $PATH > > If you have: > more_path="/sbin:/usr/sbin:$PATH" > you can do: > save_ifs="$IFS" > IFS=" :" > for ac_dir in $more_path > do > IFS="$save_ifs" > ... > done > > So that the shell treats ':' as a separator when > parsing the output of the substitution. > > > David > > -- > David Laight: [EMAIL PROTECTED] > So why does "for" use spaces as the separator between the /sbin, the /usr/sbin and the $PATH but $IFS while expanding the $PATH (which is using :)? (And how come configure used to work OK but doesn't now?)
(And, of course, it is configure.ac I will have to change so I don't get to change how AC_PATH_PROG gets expanded, and using spaces to separate will go against the documentation on autoconf) Bill
