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#!/usr/bin/env python
import argparse
import os
import re
import time
import sys
def search_and_run(root_dir, command, trigger_age_string):
"""Run command on old directories
Search under root_dir. If a directory is found that is older than the
age specified by trigger_age_string, run command on it.
Does not recurse down into subdirectories.
"""
trigger_age_seconds = None
age_search = re.search("^(\d+)(\w+)$", trigger_age_string)
if age_search:
if age_search.group(2) == "m":
trigger_age_seconds = int(age_search.group(1)) * 60
elif age_search.group(2) == "h":
trigger_age_seconds = int(age_search.group(1)) * 60 * 60
elif age_search.group(2) == "s":
trigger_age_seconds = int(age_search.group(1))
if not trigger_age_seconds:
print >> sys.stderr, "Time string format unrecognised."
print >> sys.stderr, "Format should be <number><unit>, for example:"
print >> sys.stderr, " 2h = two hours."
print >> sys.stderr, " 30m = 30 minutes."
print >> sys.stderr, " 45s = 45 seconds."
sys.exit(1)
root = os.path.abspath(root_dir)
for thing in os.listdir(root):
if os.path.isdir(os.path.join(root, thing)):
folder = os.path.join(root, thing)
path = os.path.join(root, folder)
mod_time = os.path.getmtime(path)
if (time.time() - mod_time) > trigger_age_seconds:
os.system(command + " " + path)
if __name__ == '__main__':
"""Run command on directories that are older than trigger-age."""
parser = argparse.ArgumentParser(description="Run command on directories"
"that are older than trigger-age.")
parser.add_argument('--root-dir', type=str, nargs=1, required=True,
help="Root directory to search")
parser.add_argument('--trigger-age', type=str, nargs=1, required=True,
help="Age of directory (or files in it) to trigger command")
parser.add_argument('--command', type=str, nargs=1, required=True,
help="Command to run on directory")
args = parser.parse_args()
search_and_run(args.root_dir[0], args.command[0], args.trigger_age[0])
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