one_liner_for_python.py

# Please use "copy and paste" at Your Python environment.
# I have been tested with Python3.

# Hello World
python -c  "print('Hello World')"

# Create Files(Example: Create a 10 pcs "text" file)
python -c "import random;[open(str(random.randint(1, 100000)) +'.txt', 'w').close() for i in list(range(10))]"

# Rename a all file name in the directory("jpg"file)
python -c "import sys, os, re;[os.rename(file, 'image%04d.jpg' % num) for num, file in enumerate(os.listdir(os.getcwd())) if re.compile('jpg$w').search(file)]"

# Start local server(Port 8080)
python -m http.server 8080

# Resize to half size a Image file(JPEG)
# Please 'Your Target Image file' write to 'FileName is here'
python -c "globals()['file'] = 'FileName is here';import sys,os,re;from PIL import Image;globals()['target_image'] = Image.open(file); x_size = int(target_image.size[0] / 2); y_size = int(target_image.size[1] / 2);globals()['target_image2'] = target_image.resize((x_size,y_size));globals()['resize_name'] = 'resize_' + file;target_image2.save(resize_name, 'JPEG')"

# JSON display
# Please 'JsonFile is here' write to 'JsonFile is here'
python -c "json_file = 'JsonFile is here';import json;f = open(json_file, 'r');jsonData = json.load(f);print(json.dumps(jsonData, sort_keys = True, indent = 4));f.close()"

# Random password generate
python -c "from random import choice; print ''.join([choice('abcdefghijklmnopqrstuvwxyz0123456789') for i in range(16)])"