First batch of extra files

eps/hpr2679/hpr2679_bash13_ex3.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+# =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~
+# Experimenting with backreferences in Bash regular expressions
+# =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~ =~
+
+re='(\<.{1,10}\>) \1'
+
+if [[ $1 =~ $re ]]; then
+    echo "Matched: $1"
+else
+    echo "No match: $1"
+fi
+