first commit

hot3d_processing/utils/file_systems.py

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+import os
+import shutil
+import time
+
+
+# remove a directory
+def remove_dir(dirName):
+	if os.path.exists(dirName):
+		shutil.rmtree(dirName)
+	else:
+		print("Invalid directory path!")
+
+
+# remake a directory
+def remake_dir(dirName):
+	if os.path.exists(dirName):
+		shutil.rmtree(dirName)
+		os.makedirs(dirName)
+	else:
+		os.makedirs(dirName)
+	
+    
+# calculate the number of lines in a file
+def file_lines(fileName):
+	if os.path.exists(fileName):
+		with open(fileName, 'r') as fr:
+			return len(fr.readlines())
+	else:
+		print("Invalid file path!")
+		return 0
+	
+    
+# make a directory if it does not exist.
+def make_dir(dirName):
+	if os.path.exists(dirName):
+		print("Directory "+ dirName + " already exists.")
+	else:
+		os.makedirs(dirName)
+	
+	
+	
+if __name__ == "__main__":
+	dirName = "test"
+	RemakeDir(dirName)
+	time.sleep(3)
+	MakeDir(dirName)
+	RemoveDir(dirName)
+	time.sleep(3)
+	MakeDir(dirName)
+	#print(FileLines('233.txt'))