how to delete a specific line in a file

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showing results for - "how to delete a specific line in a file"

1searched = "snow" # every line containing the variable "searched" will be deleted
2
3with open("file.txt","r+") as f: # open your file
4    new_f = f.readlines()
5    f.seek(0)
6    for line in new_f:
7        if searched not in line:
8            f.write(line)
9    f.truncate() # close your file

1# Basic syntax:
2sed 'line#d' input_file
3# Where line# is the line you want to delete from the input_file
4
5# Example usage:
6input_file contains:
7this is
8my favorite
9line
10
11sed '2d' input_file
12--> this is
13--> line

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