[MPlayer-users] ad_faad.c compile error

[D Richard Felker III]

On Sat, Feb 08, 2003 at 02:16:53AM +0100, Moritz Bunkus wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi.
> 
> > > echo 1.1 | sed -e 's/^\([0-9]+\)\.\([0-9]+\).*/\1\2/'
> 
> After some hints from the local Unix gurus I now know why this breaks:
> sed uses BREs (basic regular expressions, see man 7 regex) which simply
> do not know the + operator. awk uses ERE (extended RE), and the most
> powerful are the PRE (Perl RE).
> 
> On the other hand: Note that version numbers which have two digits
> subversion will break comparison ;) 1.10 --> 110 > 21 = 2.1 :)

echo $[`echo "$ver" | sed 's/[.]/*100+/'`]

Replace 100 by 1000 if you think some idiot will make ver 1.101 or
some nonsense... (maybe a typo for 1.10l? ;) more like 100000l to
whoever the idiot was who came up with using strings for version
numbers...)

Rich