Answers for "delete lines in file that match text"

C#
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
Posted by: Guest on February-08-2021
0

remove lines from textfile

var lines = System.IO.File.ReadAllLines("...");
System.IO.File.WriteAllLines("...", lines.Take(lines.Length - 1).ToArray());
Posted by: Guest on September-09-2021

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