bare exemple of use, bashism

exemple.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+DATAFILE=/tmp/fake-datafile
+
+> ${DATAFILE}
+for s in $(seq 0 20)
+do
+
+    v=$(./fake-values 2> /dev/null)
+    echo $s $v | tee -a ${DATAFILE}
+done
+
+awk '{print ">  " $2}' < ${DATAFILE}