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Re^4: IO::Handle read error description?

by vsespb (Hermit)
on Apr 28, 2010 at 18:56 UTC ( #837371=note: print w/ replies, xml ) Need Help??


in reply to Re^3: IO::Handle read error description?
in thread IO::Handle read error description?

I was thinking sysread(... 4096 ... will block until read all 4096 bytes...


Comment on Re^4: IO::Handle read error description?
Re^5: IO::Handle read error description?
by ikegami (Pope) on Apr 28, 2010 at 19:44 UTC
    It will return whatever bytes are available.
    $ perl -e'$|=1; print "a"; print "b"; sleep 1; print "c"' | \ perl -le'print "[$buf]" while sysread(STDIN, $buf="", 4096);' [ab] [c]

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