file input-output read-write operations

Author: joeyajames

file_ops.py

@@ -0,0 +1,53 @@
+infile = "inputFile.txt"
+outfile = "outputFile.txt"
+
+# print each line, as read in
+with open(infile) as f1:
+	for line in f1:
+		print (line)
+
+print ("\n*******************")
+
+# print each line, stripping last newline character
+with open(infile) as f1:
+	for line in f1:
+		print (line[:-1])
+
+print ("\n*******************")
+		
+# print makes only (first word of each line)
+with open(infile) as f1:
+	for line in f1:
+		row = line.split(",")
+		print(row[0])
+
+print ("\n*******************")
+		
+# print each line as a formatted list
+with open(infile) as f1:
+	for line in f1:
+		row = line.split(",")
+		print(row[0] + "\n-----------------")
+		for i in range(1, len(row)):
+			print(row[i])
+
+print ("\n*******************")
+			
+# add each line to a list
+cars = list()
+with open(infile) as f1:
+	for line in f1:
+		row = line.split(",")
+		cars.append(row)
+	print(cars[0][0])
+	
+# write Makes only to outputFile
+with open(outfile, 'a') as f2:
+	for car in cars:
+		f2.write(car[0] + "\n")
+
+# write list of row-lists to outputFile
+with open(outfile, 'a') as f2:
+	for car in cars:
+		f2.write(str(car) + "\n")
+