#169 Bugfix: when initializing solver directories, full paths which i…

…ncluded a string matching the source prefix (e.g., CMTSOLUTION) would not be initialized properly. Changed this to only look at file names and exclude those that start with source prefix, not contain. Should be enough to stave off future occurrences of this

seisflows/solver/specfem.py

@@ -872,9 +872,10 @@ def _initialize_working_directory(self, cwd=None):
         dst = os.path.join(cwd, "bin", "")
         unix.cp(src, dst)
 
-        # Copy all input DATA/ files except the source files
+        # Copy in all input DATA/ file that are not '{source_prefix}*'
         src = glob(os.path.join(self.path.specfem_data, "*"))
-        src = [_ for _ in src if self.source_prefix not in _]
+        src = [_ for _ in src if not
+               os.path.basename(_).startswith(self.source_prefix)]
         dst = os.path.join(cwd, "DATA", "")
         unix.cp(src, dst)