diff --git a/functions.sh b/functions.sh
index 1558893..6e33b59 100755
--- a/functions.sh
+++ b/functions.sh
@@ -18,6 +18,11 @@ function getMachineNumber {
 	fi
 }
 
+# get first line of file
+function fisrstLine {
+  if [ ! -f $1 ] ; then echo -ne "0;" ; return 0 ; fi
+  head -n 1 $1
+}
 # file age
 # return 0 if given file mtime is older than given age (in day)
 # arg1: file
@@ -65,10 +70,11 @@ function fileBiggerThan {
 	if [ $filesize -lt $2 ] ; then echo -ne "0;" ; else echo -ne "1;" ; fi
 }
 
+
 #Ok if file exists
 # arg1: file to check
 function fileMustExists {
-if [ -f ${1} ] ; then echo -ne "1;"
+if [ -f "${1}" ] ; then echo -ne "1;"
   else echo -ne "0;"
 fi
 }