how to delete a specific line in a file code example

Example 1: how to delete a specific line in a file

searched = "snow" # every line containing the variable "searched" will be deleted

with open("file.txt","r+") as f: # open your file
    new_f = f.readlines()
    f.seek(0)
    for line in new_f:
        if searched not in line:
            f.write(line)
    f.truncate() # close your file

Example 2: bash how to delete a specific line from a file

# Basic syntax:
sed 'line#d' input_file
# Where line# is the line you want to delete from the input_file

# Example usage:
input_file contains:
this is
my favorite
line

sed '2d' input_file
--> this is
--> line

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