Remove duplicates from .bash_history

clean_bash_history.py

# This script removes duplicate lines from .bash_history file.
# It preserves the order from the latest usage of each command,
# to make it easier to search with ctrl+r

from os import path


bash_history_path = path.expanduser("~/.bash_history")
with open(bash_history_path, "r") as f:
    lines = f.readlines()

clean_history = []
for line in reversed(lines):
    if line not in clean_history:
        clean_history.append(line)

print("".join(reversed(clean_history)))