On Wed, May 07, 2014 at 02:32:39PM +0100, Ian Jackson wrote: > Package: debian-policy > Version: 3.9.5.0 > > I came across this in /etc/init.d/exim4: > > OLDIFS="$IFS" > IFS=: > for p in $PATH; do > if [ -x "$p/$UPEX4CONF" ]; then > IFS="$OLDIFS" > $p/$UPEX4CONF $UPEX4OPTS > return 0 > fi > done > IFS="$OLDIFS" > > I imagine that this kind of thing is found in many other places. > > It seems to me that given that dash and bash both provide `type', and > the underlying functionality necessarily exists in the shell, it would > be better to mandate that the shell expose it. > > I therefore propose that the following should be added to the list of > additional features listed in policy 10.4: > > * The XSI extension `type' must be supported . It must exit > zero iff the command is found. The output format is not > specified and scripts must not rely on it; scripts should > rely only on the exit code using a construct such as > if type foo >/dev/null 2>&1; then ...
Could you do a survey of current valid /bin/sh shells and see which of them suport XSI type already ? Cheers, -- Bill. <ballo...@debian.org> Imagine a large red swirl here. -- To UNSUBSCRIBE, email to debian-policy-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/20140508115339.GB6365@yellowpig
