{ stdenv, fetchurl, perl }: stdenv.mkDerivation { name = "bfr-1.6"; src = fetchurl { url = http://www.glines.org/bin/pk/bfr-1.6.tar.bz2; sha256 = "0fadfssvj9klj4dq9wdrzys1k2a1z2j0p6kgnfgbjv0n1bq6h4cy"; }; buildInputs = [ perl ]; meta = { description = "general-purpose command-line pipe buffer"; homepage = http://www.glines.org/wiki/bfr; license = stdenv.lib.licenses.gpl2; }; }