More efficient ? .dat file reading

swash/processing/read_swash.py

@@ -16,14 +16,12 @@ class ReadSwash:
 
     @classmethod
     def read_nohead(cls, path):
-        with tempfile.TemporaryFile(mode="w+t") as tmpfile:
-            log.info(f"Replacing \\s with \\n in '{path}'")
-            subprocess.run(("sed", r"s/\s\+/\n/g;/^$/d", path), stdout=tmpfile, text=True)
-            log.info(f"Loading '{path}'")
-            tmpfile.seek(0)
-            a = np.asarray(tmpfile.readlines(), dtype=float)
-            log.debug(f"path={a}")
-            return a
+        data = []
+        with path.open() as inp:
+            for line in inp:
+                data += line.split()
+
+        return np.asarray(data, dtype=float)
 
     def read_time(self, path):
         self._t = np.unique(self.read_nohead(path))