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How to read first line of a file in python

Hello guys. How are you all? I hope you all fine. In this tutorial we will learn about How to read first line of a file in python. so without wasting time lets learn about of this.

How to read first line of a file in python

  1. read first line of a file in python

    to read first line of a file in python just Use readline().By using readline() you can read first line of a file in python. Lets learn about of this by given below example:
    with open("test2.py") as f: firstline = f.readline().rstrip() print(firstline)

  2. How to read first line of a file in python

    to read first line of a file in python just Use getline().By using getline() you can read first line of a file in python. Lets learn about of this by given below example:
    import linecache print(linecache.getline('test2.py'), 1)

  3. python read first line of file

    To read first line of a file in python just Use getline().By using getline() you can read first line of a file in python. Lets learn about of this by given below example:
    import linecache print(linecache.getline('test2.py'), 1)

Method 1: Use readline()

Use readline(). Lets learn about of this by given below example:

with open("test2.py") as f:
    firstline = f.readline().rstrip()
print(firstline)

Method 2: Use getline()

Use getline(). Lets learn about of this by given below example:

import linecache
print(linecache.getline('test2.py'), 1)

Method 3: Use read()

Use read(). Lets learn about of this by given below example:

with open("test2.py") as f:
    lines = f.read() 
    first = lines.split('\n', 1)[0]

Method 4: Use readlines()

Just Use readlines(). Lets learn about of this by given below example:

with open("test2.py") as f:
    firstline = f.readlines()[0].rstrip()
print(firstline)

Method 5: Use next()

Just Use next(). Lets learn about of this by given below example:

with open("test2.py") as f:
    firstline = next(f)
print(firstline)

Conclusion

It’s all About this Tutorial. Hope all methods helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which method worked for you?

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