Mercurial > hg > dml-open-cliopatria

diff cpack/dml/scripts/compression/rptlen @ 0:718306e29690 tip

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commiting public release
author Daniel Wolff
date Tue, 09 Feb 2016 21:05:06 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cpack/dml/scripts/compression/rptlen	Tue Feb 09 21:05:06 2016 +0100
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# Insert rptlen into a pipeline to report the number of bytes passing through.
+# NB. if the pipeline is terminated early by a later consuming process, the 
+# byte count will be wrong.
+function buflen {
+	len=$(length)
+	echo "$1:" $len
+}
+function buflen2 {
+	length | sed -e "s/^/$1:/" 
+}
+tee >(buflen2 "$1" 1>&2)