ronan cunniffe ronancunniffenet quoting brian foster following 1 mkfifo f1 2 lav2yuv captureavi yuvdenoise tee f1 mpeg2enc blah blah 3 cat f1 mpeg2enc different blah blah hey works somebody dies yippe oh winner useless use cat1 award dont need cat f1 3rd line simple upshot posix2 tee would probably spit error message one mpeg2encs dies remaining one would continue fed data hence run either completes dies reasons exactly want happening oops um test tee fifo didnt read resulting reader hanging around forever realising neveropenedforreading openedandlaterclosed might different sensible behaviour observed incidently shell system support process redirection could oneliner syntax varies depending shell bash1 ksh1 lav2yuv captureavi yuvdenoise tee mpeg2enc different blah blah mpeg2enc blah blah mpeg2enc generates stats run give one xterm thanks ronan irish linux users group iluglinuxie httpwwwlinuxiemailmanlistinfoilug unsubscription information list maintainer listmasterlinuxie wed 31 jul 2002 151323 0100 ilug piping multiple processes might die