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File Copy in Python

Copy the contents of one file to another.

BeginnerFile Handling ProgramsExample 8 of 20
file-copy.py
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1# Program to copy a text file
2

3src = input("Enter source filename: ")
4dst = input("Enter destination filename: ")
5

6try:
7    with open(src, "r", encoding="utf-8") as f_src, open(dst, "w", encoding="utf-8") as f_dst:
8        for line in f_src:
9            f_dst.write(line)
10    print("File copied from", src, "to", dst)
11except FileNotFoundError:
12    print("Source file not found.")

Output

Enter source filename: input.txt
Enter destination filename: backup.txt
File copied from input.txt to backup.txt

What's going on

Opens source and destination files simultaneously and streams line by line.

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