On Mon, 10 Oct 2011 23:58:04 +0200, Michal Soltys wrote:
> + function rotor() {
> + local _f1 _f2
> + while read _f1; do
> + echo "$_f1"
> + if read _f2; then
> + echo "$_f2" 1>&${_side2}
> + fi
> + done | bmf1 1>&${_merge} + }
> # Use two parallel streams to filter alternating modules.
> - local merge side2
> - ( ( local _f1 _f2
> - while read _f1; do echo "$_f1"
> - if read _f2; then echo "$_f2" 1>&${side2}; fi
> - done \
> - | bmf1 1>&${merge} ) {side2}>&1 \
> -
> | bmf1 ) {merge}>&1
> + eval "( ( rotor ) ${_side2}>&1
> | bmf1 ) ${_merge}>&1"
> }
> hostonly='' instmods sr_mod sd_mod scsi_dh scsi_dh_rdac
> scsi_dh_emc hostonly='' instmods pcmcia firewire-ohci
Interesting function, if i understand it correctly, it parallelizes
the stream into two so that can speed up the pattern filtering?
My brain spins...
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