On Mon, Feb 24, 2014 at 11:10:44PM +0000, Fred wrote: > On 02/24/14 22:32, Richard P??ttler wrote: > >On Mon, Feb 24, 2014 at 10:59 PM, Fabian Raetz <fabian.ra...@gmail.com> > >wrote: > >>while calculating my phys. memory (mb) with the > >>folllowing shellsript i get as a result -424. > >> > >>sysctl -n hw.physmem returns 3849830400 > >> > >>------------ > >>#!/bin/sh > >> > >>phys_mem_bytes=`sysctl -n hw.physmem` > >>phys_mem_mb=`expr $phys_mem_bytes / 1024 / 1024` > >>echo $phys_mem_mb > >>---------- > > > >You declared "#!/bin/sh" so you are using the broune shell, not ksh - fyi. > > > > On OpenBSD sh is the same binary as ksh, the notes section of the sh(1) > gives some more detail as does the faq[1]. > > Fred > > [1]http://www.openbsd.org/faq/faq10.html#ksh
#!/bin/sh phys_mem_bytes=$(sysctl -n hw.physmem) phys_mem_mb=$(($phys_mem_bytes / 1024 / 1024)) echo $phys_mem_mb -- -=[rpe]=-
