How do I read a specific line from a file?

How do I read a specific line from a file?

Steps To Read Specific Lines From A File

1. Open file in Read Mode. To open a file pass file path and access mode r to the open() function.
2. Create a list to store line numbers.
3. Create a list to store lines.
4. Use for loop with enumerate() function to get a line and its number.
5. Read file by line number.

How do I read a specific line in a file in Python?

How to read specific lines of a text file in Python

1. a_file = open(“test_file.txt”)
2. lines_to_read = [0, 2]
3. for position, line in enumerate(a_file): Iterate over each line and its index.
4. if position in lines_to_read:
5. print(line)

How do you read a specific line in a file C?

You can use fgets [^] in a loop to read a file line by line. When no more lines can be read, it will return NULL. On the first line you can use sscanf[^] to extract the integer.

How do I print a specific number of lines in a file in Python?

Use enumerate() to assign index values to each line in the file and print the specific lines

1. file = open(“sample.txt”)
2. lines_to_print = [0, 2]
3. for index, line in enumerate(file):
4. if ( index in lines_to_print):
5. print(line)
6. file.

How do you read a line from a text file in Java?

Java 7

1. import java. io. IOException;
2. import java. io. FileReader;
3. import java. io. BufferedReader;
4. class FileRead {
5. public static void main( String args[] ) {
6. int n = 40; // The line number.
7. String line;

Which function is used to read single line from a file?

Discussion Forum

Does Fscanf read line by line?

Use the fscanf Function to Read File Line by Line in C The latter can be used to read the regular file line by line and store them in the buffer. fscanf takes formatting specification similar to the printf specifiers, and all of them are listed in full detail on this page.

How do I read the last line of a file?

To look at the last few lines of a file, use the tail command. tail works the same way as head: type tail and the filename to see the last 10 lines of that file, or type tail -number filename to see the last number lines of the file. Try using tail to look at the last five lines of your .