philipaconrad

# sig.py -- Basic hash and checksum utility in Python.
# Copyright (c) Philip Conrad, 2015. All rights reserved.
# Released under the MIT License. (http://opensource.org/licenses/MIT)

import hashlib
import sys
import argparse

# Function for incrementally reading text from HUGE files.
def read_file(f, block_size=1024):

philipaconrad

class lukegoLRU:
    def __init__(self):
        # Initialize 'old' and 'new' to empty tables
        self.old = {}
        self.new = {}


    def insert(k, v):
        self.new[k] = v

philipaconrad

#morse.py -- Generates ITU-Standard morse code (in bit format) from ASCII text.
#MIT License -- Copyright (c) Philip Conrad 2013, all rights reserved.

import time #used for testing later.


morseITUStandard = {
    "a" : [1, 0, 1,1,1], #dot dash
    "b" : [1,1,1, 0, 1, 0, 1, 0, 1], #dash dot dot dot
    "c" : [1,1,1, 0, 1, 0, 1,1,1, 0, 1], #dash dot dash dot

philipaconrad

How to talk to a Cisco Catalyst 3560G Switch

This is a short bundle of recipes for dealing with Cisco Catalyst 3560G ethernet switches.

Setup (Linux-side):

The Cisco Catalyst 3560G switch expects certain things when using its serial console port (labeled CONSOLE on the back of the device), pariticularly a 9600 baud rate for the serial connection.

philipaconrad

# lsystem.py -- simple algae L-System, as described on Wikipedia.
# Copyright (c) Philip Conrad 2013 -- MIT License

def IterSystem(inString):
    out = ""
    inLen = len(inString)
    for i in range(0, inLen):
        c = inString[i]
        if(c == "A"):
            out += "AB"

lukego

sed -E -e 's/^/    /g' -e 's/^    --- ?//g' | pandoc -o listing.pdf -

That expression is a cheap literate programming system for Markdown.
Start commentary lines with '--- ' and they will be
markdown-formatted, the rest will be code. (Uses Lua comment syntax.)

Finally the right implementation of this idea:
  http://fresh.homeunix.net/~luke/misc/emacs/pbook.pdf (program)
  http://fresh.homeunix.net/~luke/misc/erlang/regtest.pdf (better example)

mjallday

#!/bin/python
"""
A simple directory watching script that will compute the checksum for all files
within a path and execute a change when the sum changes.

This will not work well with large files as it reads the entire file into
memory.
"""
import argparse