csv file handling

fileHandling/csv Files/AddRecord.py

@@ -0,0 +1,15 @@
+import csv
+
+rollno= int(input('Roll No :'))
+name  = input('Name :')
+stream = input('Stream :')
+fees =  int(input('Fees :'))
+
+records = [rollno,name,stream,fees]
+
+f = open("student.csv", "a")
+csvwriter = csv.writer(f, lineterminator='\n')
+# csvwriter.writerow(header)
+csvwriter.writerow(records)
+f.close()
+print("Record added ...")

fileHandling/csv Files/deleteRecord_readerWriter.py

@@ -0,0 +1,24 @@
+# program to update a record in csv file
+import csv
+name = input('Name to Delete :')
+records = []
+found = 0
+file = open("student.csv", "r")
+reader = csv.reader(file)
+for record in reader:
+    if(record[1]!= name):
+        records.append(record)
+        found = 1
+
+file.close()
+
+# Remove the old file and create a new csv file
+file = open("student.csv", "w")
+writer = csv.writer(file,lineterminator='\n')
+writer.writerows(records)
+file.close()
+
+if(found == 0):
+    print(name, " does not exists")
+else:
+    print(name, " deleted successfully")

fileHandling/csv Files/search_record_reader.py

@@ -0,0 +1,14 @@
+import csv
+name = input('Name to Search :')
+
+file = open('student.csv', 'r')
+reader =csv.reader(file)
+found = 0
+for x in reader:
+    if(x[1] == name):
+        print(name, ' found in CSV file..')
+        found = 1
+file.close()
+
+if(found == 0):
+    print(name, ' not found....')

fileHandling/csv Files/tempCodeRunnerFile.py

@@ -1,6 +1 @@
-import csv
-f = open(r"C:\Users\rakesh\Desktop\student.csv", "r")
-data = csv.DictReader(f)
-for record in data:
-    print(record)
-f.close()
+

student.csv

@@ -2,4 +2,4 @@ rollno,name,stream,fees
 12,surendra,Humanities,2356
 13,Ashok Goyal,Humanities,2356
 15,Nipun,Humanities,2356
-22,Ayush Negi,Science,2356
+22,Ayush Negi,Science,2356

update_readerWriter.py

@@ -0,0 +1,28 @@
+# program to update a record in csv file
+import csv
+name = input('Name to Update :')
+records = []
+found = 0
+file = open("student.csv", "r")
+reader = csv.reader(file)
+for record in reader:
+    if(record[1] == name):
+        record[1] = input('New Name:')
+        records.append(record)
+        found = 1
+    else:
+        records.append(record)
+file.close()
+
+# Remove the old file and create a new csv file
+headers = ['rollno', 'name', 'stream', 'fees']
+file = open("student.csv", "w")
+writer = csv.writer(file, lineterminator='\n')
+writer.writerow(headers)
+writer.writerows(records)
+file.close()
+
+if(found == 0):
+    print(name, " does not exists")
+else:
+    print(name, " updated successfully")