Move under www to ease rsync

www/eps/hpr2448/hpr2448_read_and_check.sh

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+#===  FUNCTION  ================================================================
+#         NAME: read_and_check
+#  DESCRIPTION: Reads a value (see read_value) and checks it (see check_value)
+#               against an arbitrary long list of Bash regular expressions
+#   PARAMETERS: 1 - Prompt string for the read
+#               2 - Name of variable to receive the result
+#               3 - Default value (optional)
+#               4..n - Valid regular expressions
+#      RETURNS: Nothing
+#===============================================================================
+read_and_check () {
+    local prompt="${1:?Usage: read_and_check prompt outputname [default] list_of_regex}"
+    local outputname="${2:?Usage: read_and_check prompt outputname [default] list_of_regex}"
+    local default="${3:-}"
+
+    if ! read_value "$prompt" "$outputname" "$default"; then
+        return 1
+    fi
+    shift 3
+    until check_value "${!outputname}" "$@"
+    do
+        echo "Invalid input: ${!outputname}"
+        if ! read_value "$prompt" "$outputname" "$default"; then
+            return 1
+        fi
+    done
+
+    return 0
+}