1 files changed, 15 insertions, 0 deletions
diff --git a/common/log.sh b/common/log.sh
new file mode 100644
index 0000000..622a9bb
--- /dev/null
+++ b/common/log.sh
@@ -0,0 +1,15 @@
+# log function for displaying output if loging enabled
+
+_log() {
+    # only output something,
+    # if logging is enabled
+    if [ $LOGGING -eq 0 ]; then
+	if [ -n "$1" ]; then
+	    # echo arguments
+	    echo "$@"
+	else
+	    # echo stdin
+	    cat
+	fi
+    fi 
+}