Frank Küster wrote: > Hi, > > the developers' reference says in 6.4: > > | Standard input and output may be redirected (e.g. into pipes) for > | logging purposes, so don't rely on them being a tty. > > So far, so good. But is it o.k. if the script itself performs > redirections? For example something like the following in postinst: > > db_get mypackage/someinfo > > VAR=`process $RET | mangle with $WHATEVER` > > exec 3>&1 >> $someconffile > echo "#added by postinst" > echo $VAR > exec >&3 > > Of course in this case, a here-document would be sufficient, but not > generally. Generally sure, this is ok. You need to be a little bit careful with debconf and filehandle swapping later, since it always swaps them around as follows, and takes over stdin and stdout: exec 3>&1 1>&2 Since you apparently understand exec file handle switching and I have to read up on it each time, I'll omit any explinations of what that does. :-) See /usr/share/debconf/confmodule for more. -- see shy jo
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