On Thu, 2010-07-01 at 00:24 +0200, bardo wrote: > 2010/7/1 Daenyth Blank <daenyth+arch@xxxxxxxxx>: > > On Wed, Jun 30, 2010 at 17:56, Thomas Bächler <thomas@xxxxxxxxxxxxx> wrote: > >> Am 30.06.2010 23:47, schrieb Victor Lowther: > >>> It is worth 10 - 30% speedup whenever you want to compare something. > >> > >> Where do you get this from? I always used [ ], and I found it > >> sufficient. Why is [[ ]] faster? > >> > >>> -if [ "$USECOLOR" = "YES" -o "$USECOLOR" = "yes" ]; then > >>> +if [[ $USECOLOR = YES || $USECOLOR = yes ]]; then > >> > >> Why do you get rid of the quoting here? Quoting is nice. > >> > >> > > > > Quoting is not needed in [[ and it makes the code uglier. > > > > Ditto. May I also suggest a link[1] to those that do not know all the > beauties of double square brackets? By the way, the whole BashFAQ in > there is really interesting, it has lots of advanced tips 'n tricks. > > Corrado > > > [1] http://mywiki.wooledge.org/BashFAQ/031 greycat and friends are awesome, it is true. I learned alot reading gregs wiki and hanging out on #bash. -- Victor Lowther LPIC2 UCP RHCE
