cpaulbond

Alternative naming schemes for AWS regions

Purpose

The intent is to define terse, standards-supported names for AWS regions.

Schemes

cpaulbond

#!/bin/sh
#>> Strip all the path from a variable in bash.

echo ${0##*/}

cpaulbond

#!/bin/sh
#>> Different ways to get the directory of the script.

echo ${0%/*}

echo $(cd ${0%/*} && pwd)

if [[ ${0%/*} = "." ]]
then echo $PWD
else echo ${0%/*}

cpaulbond

#!/bin/bash
#> Options that are sometimes useful in bash.

set -o nounset
set -o errexit
set -o pipefail

trap "exit" SIGINT SIGTERM
trap "echo done" EXIT

cpaulbond

#!/usr/bin/env python3
#>> Dump all etcd key/values under <path> as json. All values are converted to json if possible.
# Example:
# $ etcdctl set /config/a 'String for a'
# String for a
# $ etcdctl set /config/b true
# true
# $ etcdctl set /config/c 100
# 100
# $ etcdctl set /config/d '{"d1":1,"d2":2}'

cpaulbond

(defun punt-comments ()
  (interactive)
  (goto-char (point-min))
  (while (re-search-forward "/\\*\\|//" nil t)
    (let ((start (match-beginning 0)))
      (if (string= (match-string 0) "/*")
          (if (search-forward "*/" nil t)
              (delete-region start (point)))
        (delete-region start (line-end-position))))))

cpaulbond

(global-set-key [f9 ?s] 'gostack-goto)


(defun gostack-file ()
  (save-excursion
    (save-restriction
      (end-of-line)
      (let ((eol (point)))
	(beginning-of-line)
	(narrow-to-region (point) eol)