I want to read specific number of lines from textfile

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HI,
i am reading the contents of textfile to vb.the textfile has around 100 lines,but i want to read only first 10 lines how to do it.

Dim TextBox1 As String : TextBox1 = "D:\temp.txt"
Dim lines1() As String = System.IO.File.ReadAllLines(TextBox1)

i am able to read full txt file contents,but i need only 10 lines of it.

What I have tried:

Dim TextBox1 As String : TextBox1 = "D:\temp.txt"
Dim lines1() As String = System.IO.File.ReadAllLines(TextBox1)

i am able to read full txt file contents,but i need only 10 lines of it.

Posted 14-May-17 23:59pm

Member 12659926

Updated 15-May-17 0:18am

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3 solutions

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CPallini · Answer 1 · 2017-05-15T00:13:00

Solution 2

Iteratively use the StreamReader.ReadLine[^] method.

Posted 15-May-17 0:13am

CPallini

Comments

Maciej Los 15-May-17 6:19am

5ed!

CPallini 16-May-17 13:24pm

Thank you, Maciej!

sameer549 · Answer 2 · 2017-05-15T00:09:00

Solution 1

c# - How do I read a specified line in a text file? - Stack Overflow[^]

sample code

Dim line As String = File.ReadLines(FileName).Take(10).First()

Dim line As String = File.ReadLines(FileName).Skip(14).Take(1).First()

Posted 15-May-17 0:09am

sameer549

Updated 15-May-17 0:10am

v2

Comments

Member 12659926 15-May-17 7:07am

Thanks a lot

sameer549 15-May-17 7:39am

welcome, please always check google before posting question.

Maciej Los · Answer 3 · 2017-05-15T00:18:00

Solution 3

If you want to read 10 first lines only, please use this:

Dim lines = File.ReadLines(FileName).Take(10).ToList() 'returns List(Of String)

Posted 15-May-17 0:18am

Maciej Los