diff --git a/code/C_helper.c b/code/C_helper.c
new file mode 100644
index 000000000..950a5999e
--- /dev/null
+++ b/code/C_helper.c
@@ -0,0 +1,24 @@
+/* Unix */
+#include <unistd.h>
+#include <dirent.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#define GETCWD getcwd
+
+
+void getCurrentWorkDir(char *str,int *stat){
+  if(GETCWD(str, sizeof(str)) == str){
+    *stat = 0;
+  } 
+  else{
+    *stat = 1;
+  }
+}
+
+int isDirectory(const char *path){
+  struct stat statbuf;
+  if(stat(path, &statbuf) != 0)
+    return 0;
+  return S_ISDIR(statbuf.st_mode);
+}
diff --git a/code/IO.f90 b/code/IO.f90
index 1a36269c5..57eb23cb5 100644
--- a/code/IO.f90
+++ b/code/IO.f90
@@ -1237,8 +1237,7 @@ character(len=300) pure function IO_extractValue(pair,key)
  IO_extractValue = ''
 
  myChunk = scan(pair,SEP)
- if (myChunk > 0 .and. pair(:myChunk-1) == key(:myChunk-1)) &                                         
-   IO_extractValue = pair(myChunk+1:)                                                               ! extract value if key matches
+ if (myChunk > 0 .and. pair(:myChunk-1) == key) IO_extractValue = pair(myChunk+1:)                  ! extract value if key matches
 
 end function IO_extractValue