Generates jekyll markdown for you based on post title and system time.

generate_md

#!/usr/bin/env python3

# To run:
# 1. After downloading, cd to the directory and'chmod -x generate_md.' This tells the shell to make generate_md
# into an executable.
# 2. 'echo My Awesome Post | ./generate_md' will generate a new markdown file with the post name "My Awesome Post"
# and name it "yyyy-mm-dd-my-awesome-post.markdown".

import glob, sys, re
from time import gmtime, strftime

# create file name.
def filename(postname):
    # remove non-alphanumeric characters that are not whitespace. lowercase.
    p = re.compile('[^\w\s]')
    postname = p.sub("", postname).lower()
    # split by whitespace and join with '-'
    filename = "-".join(postname.split())
    # add date and file ending.
    filename = strftime("%Y-%m-%d-", gmtime()) + filename + ".markdown"
    return filename

# create file content
def content(postname):
    timestamp = strftime("%Y-%m-%d %X %z", gmtime())
    content = "---\nlayout:  post\ntitle:  \"" + postname + "\"\ndate:  " \
                + timestamp + "\ncategories:\n---"
    return content

# read the first line of input, strip lead/trail whitespace.
postname = sys.stdin.readline().strip()
filename = filename(postname)
# check that filename exists. If so, error: DO NOT OVERWRITE EXISTING FILE.
if glob.glob("_drafts/" + filename):
    sys.stderr.write("Error: " + filename + " already exists.\n")
    sys.exit(1)
else:
    content = content(postname)
    print(content)
    with open("_drafts/" + filename, 'w') as f:
        f.write(content)