Sam Briesemeister samba

Utility Scripts for Google Tag Manager

Each script should include some outline of its usage. In general, the scripts will require installation as a Custom HTML tag in GTM, and should be triggered to run on every page.

Custom HTML scripts in GTM require wrapping Javascript in <script> tags, like so:

Breadth-first Graph Search

Generates least-cost paths from an adjacency list with one cost factor per edge.

Why did @samba write this?

Simply because I needed the refresher, having taken my last Computer Science class nearly a decade ago, and having focused on a different domain of problems in recent years.

I wanted the practice. :)

	#!/usr/bin/env python

	"""
	Scan an index of files, typically keyed by MD5 checksum, in the format produced by
	GNU `md5sum` (not BSD-style), searching for one of many checksums listed in a pattern file.

	The primary objective is to help find duplicates in a large collection of files, e.g. an
	archive of music. Example:

	> find ./music -type f -print0 \| xargs -0 md5sum \| sort > index.txt

	#!/bin/sh
	curl http://www.coe.neu.edu/cgi-bin/fortune \| \
	xmllint --nowarning --html --recover --xpath "//pre//text()" - 2>/dev/null \| \
	say -v Alex

	#!/bin/sh
	# Execute directly: sh converse.sh script.text

	which say \|\| exit 1
	cat $@ \| grep -v '^#' \| tr -s ':' '\t' \| while read name content; do say -v $name "$content"; done

	#!/bin/sh

	export MACHINE_NAME="test machine"
	export DATE=`date +"%Y-%m-%d %H:%M:%S"`

	take_snapshot () {
	while read vmuuid; do
	VBoxManage snapshot "${vmuuid}" take "Snapshot ${DATE}"
	done
	}

	<!DOCTYPE html>
	<html lang="en-US">
	<meta charset="utf-8">
	<title>Redirecting…</title>
	<link rel="canonical" href="#{item_url}">
	<meta http-equiv="refresh" content="0; url=#{item_url}">
	<h1>Redirecting…</h1>
	<a href="#{item_url}">Click here if you are not redirected.</a>
	<script>
	q = (location.search && !location.search.indexOf('?')) ? '' : '?';

	#!/usr/bin/env python

	"""
	USAGE:
	cat awholebunchoflogfiles*.csv \| python pipesearch.py \
	'data.someproperty.feature~="(test\|other)"' \
	'data.someproperty.another^="prefix"' \
	'data.someproperty.yetanother$="suffix"' \
	'data.someproperty.thatother*="textwithin"'
	Filter expressions will be collectively combined as AND-ed together; multiple

	#!/bin/sh

	# This assumes you have access to the system via SSH already, and need
	# remote VNC access as the same user, and you want only the primary display.
	export DISPLAY=:0

	# Encoded password with http://www.motobit.com/util/base64-decoder-encoder.asp
	export VNC_PASSWORD="dm5jX3Bhc3N3b3JkNzE=" # vnc_password71
	export VNC_PASSWORD="dm5jX3Bhc3M=" # vnc_password (a character limit is enforced?)
	# Sadly many common VNC clients don't support encryption.

	/* Functions available in Redshift that can be emulated in Postgres for compatibility.
	* This is most applicable when a schema needs to be migrated into a (local) PostgreSQL
	* environment for modeling/development. As Redshift is derived from PostgreSQL, many
	* DBA and related modeling tools designed for PostgreSQL are _not quite_ viable for
	* use with Redshift. These functions attempt to augment native PostgreSQL to allow
	* Redshift SQL to run in other Postges environments.
	* I'll update this periodically with additional functions as needed.
	*/

	CREATE FUNCTION public.getdate() returns timestamptz