add pwgen utility

Move common zsh/bash things into a separate file
Add pwgen utility to generate xkcd-style passphrases

bash_profile

@@ -33,49 +33,9 @@ shopt -s cmdhist
 export HISTCONTROL=ignoredups
 export HISTIGNORE="&:ls:[bf]g:exit"
 
-function local_pi() {
+if [ -f ~/.common_shell_functions ]; then
-LOCAL_PI_IP=$(en4ip)
+    . ~/.common_shell_functions
-ssh -b $LOCAL_PI_IP pi@169.254.100.100
+fi
-}
-
-#################### Project Initialization Tools ###################
-function download_bootstrap() {
-    mkdir -p static
-    mkdir -p static/css
-    mkdir -p static/js
-
-    cd static/css
-    wget "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"
-    cd ../
-    cd js
-    wget "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"
-    cd ../..
-}
-
-function init_flask() {
-    mkdir -p templates
-    touch templates/index.html
-    curl "https://raw.githubusercontent.com/lewagon/bootstrap-boilerplate/gh-pages/index.html" > templates/index.html
-    FLASK_TEMPLATE="from flask import Flask, render_template, request
-
-app = Flask(__name__)
-
-@app.route('/')
-def index():
-    return render_template('index.html')
-
-if __name__ == '__main__':
-    app.debug = True
-    app.run()
-"
-    echo "$FLASK_TEMPLATE" > app.py
-}
-
-function weather() {
-    LOCATION=milwaukee
-
-    curl wttr.in/$LOCATION
-}
 
 #Enable ~/.ssh/config host tab completion
 _complete_ssh_hosts ()

common_shell_functions

@@ -0,0 +1,72 @@
+###################################################################
+# This file is for shell functions common between shells: zsh, bash
+###################################################################
+
+function local_pi() {
+LOCAL_PI_IP=$(en4ip)
+ssh -b $LOCAL_PI_IP pi@169.254.100.100
+}
+
+function pubkey() {
+    if [ -f ~/.ssh/id_rsa.pub ]; then
+        if which pbcopy &> /dev/null; then
+            cat ~/.ssh/id_rsa.pub | pbcopy
+            echo "Copied public key using pbcopy"
+        else
+            echo "pbcopy not available - printing public key"
+            echo
+            cat ~/.ssh/id_rsa.pub
+        fi
+    fi
+}
+
+function pwgen() {
+    if [ -f ~/.dotfile_util/pwgen.py ]; then
+        if which python &> /dev/null; then
+            ~/.dotfile_util/pwgen.py 4
+        else
+            echo "Need python for pwgen"
+        fi
+    else
+        echo "Could not find ~/.dotfile_util/pwgen.py"
+    fi
+}
+
+#################### Project Initialization Tools ###################
+function download_bootstrap() {
+    mkdir -p static
+    mkdir -p static/css
+    mkdir -p static/js
+
+    cd static/css
+    wget "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"
+    cd ../
+    cd js
+    wget "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"
+    cd ../..
+}
+
+function init_flask() {
+    mkdir -p templates
+    touch templates/index.html
+    curl "https://raw.githubusercontent.com/lewagon/bootstrap-boilerplate/gh-pages/index.html" > templates/index.html
+    FLASK_TEMPLATE="from flask import Flask, render_template, request
+
+app = Flask(__name__)
+
+@app.route('/')
+def index():
+    return render_template('index.html')
+
+if __name__ == '__main__':
+    app.debug = True
+    app.run()
+"
+    echo "$FLASK_TEMPLATE" > app.py
+}
+
+function weather() {
+    LOCATION=milwaukee
+
+    curl wttr.in/$LOCATION
+}

install.conf.yaml

@@ -7,6 +7,7 @@
 - link:
     ~/.dotfiles: ''
     ~/.vim: vim
+    ~/.dotfile_util: util
     ~/.vimrc: vimrc
     ~/.vimrc_vundle: vimrc_vundle
     ~/.zpreztorc: zpreztorc
@@ -16,6 +17,8 @@
     ~/.bash_prompt: bash_prompt
     ~/.git_prompt.sh: git_prompt.sh
     ~/.git-completion.bash: git-completion.bash
+    ~/.dictionary.txt.gz: dictionary.txt.gz
+    ~/.common_shell_functions: common_shell_functions
 
 - shell:
     - [git submodule update --init --recursive, Installing submodules]

util/pwgen.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+import sys
+import os
+import gzip
+import random
+
+if __name__ == "__main__":
+    if len(sys.argv) > 1:
+        word_length = int(sys.argv[1])
+    else:
+        word_length = 3
+
+    dictfile = os.path.expanduser('~/.dictionary.txt.gz')
+    with gzip.open(dictfile) as f:
+        lines = f.readlines()
+        rand_engine = random.SystemRandom()
+        result = ''
+        words = []
+        for _ in range(0, word_length):
+            word = rand_engine.choice(lines).strip().decode()
+            while len(word) > 10:
+                word = rand_engine.choice(lines).strip().decode()
+            result += word
+            words.append(word)
+        print(result)
+        print("From words: {}".format(', '.join(words)))

zshrc

@@ -49,46 +49,6 @@ alias vi='vim'
 #alias en4ip="ifconfig | grep -A1 en4 | tail -n1 | awk 'BEGIN { FS=\" \" }; {print \$2}'"
 alias en4ip="ifconfig | grep -Eo '169.254.\d{1,3}.\d{1,3}' | head -n1"
 
-function local_pi() {
+if [ -f ~/.common_shell_functions ]; then
-LOCAL_PI_IP=$(en4ip)
+    . ~/.common_shell_functions
-ssh -b $LOCAL_PI_IP pi@169.254.100.100
+fi
-}
-
-#################### Project Initialization Tools ###################
-function download_bootstrap() {
-    mkdir -p static
-    mkdir -p static/css
-    mkdir -p static/js
-
-    cd static/css
-    wget "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"
-    cd ../
-    cd js
-    wget "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"
-    cd ../..
-}
-
-function init_flask() {
-    mkdir -p templates
-    touch templates/index.html
-    curl "https://raw.githubusercontent.com/lewagon/bootstrap-boilerplate/gh-pages/index.html" > templates/index.html
-    FLASK_TEMPLATE="from flask import Flask, render_template, request
-
-app = Flask(__name__)
-
-@app.route('/')
-def index():
-    return render_template('index.html')
-
-if __name__ == '__main__':
-    app.debug = True
-    app.run()
-"
-    echo "$FLASK_TEMPLATE" > app.py
-}
-
-function weather() {
-    LOCATION=milwaukee
-
-    curl wttr.in/$LOCATION
-}