Move under www to ease rsync

www/eps/hpr2669/hpr2669_bash12_ex2.sh

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+#!/bin/bash
+
+#
+# Demonstrate the use of a regular expression to detect blank lines in a file,
+# and those containing only whitespace
+#
+
+re="^[[:digit:]]+[[:blank:]]*$"
+
+while read -r line; do
+    [[ $line =~ $re ]] && continue
+    echo "$line"
+done < <(cat -n "$0")