NanoDano

# See if last statement executed was successful
./runSomething

if [ $? -eq 0 ]; then
    echo OK
else
    echo FAIL
fi

# The return value can also be stored as a variable

NanoDano

Bash history tips

Run the last command again

!!

Check history

NanoDano

# Specific number of iterations
for i in $(seq 1 10)
do
  echo $i
done

# Specify list
for x in test.txt misc.txt other.txt
do
	rm $x

NanoDano

# Simple user prompt
echo -n "Enter name: "
read name
echo $name

# Read with a prompt
read -p "Enter name: " name
echo $name

# If reading from current shell and not running a separate process, use -e

NanoDano

; maps_caps_to_esc.ahk
; AutoHoyKey script to remap Caps lock to Escape key
; Double-click the file or run it directly from the
; command line to start the script in the background.
; To run the script on startup, place in the Startup directory
; by pressing `Windows Key + r` and running `shell:startup`.
Capslock::Esc

NanoDano

#!/usr/bin/python3
from ftplib import FTP
import glob
from os import system, path, remove
from os.path import join
from datetime import datetime
import logging
logging.basicConfig(level=logging.DEBUG, format='%(asctime)s %(levelname)s %(message)s')

NanoDano

# appname/management/commands/django_backup_db.py
# Then run with manage.py django_backup_db
from ftplib import FTP_TLS
from glob import glob
from os import system, remove
from os.path import join, getmtime, exists
from socket import gethostname

from django.core.management import BaseCommand, call_command
from django.utils.datetime_safe import datetime

NanoDano

# pip install pyopenssl
from OpenSSL import crypto, SSL
from socket import gethostname
from pprint import pprint
from time import gmtime, mktime

CERT_FILE = "cert.pem"
KEY_FILE = "key.pem"

def create_self_signed_cert():

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#!/usr/bin/bash

if [[ $EUID -ne 0 ]]; then
    echo "This script needs escalated privs. Exiting"
    exit 1
fi

NanoDano

# /etc/systemd/system/gunicorn_app.service
# sudo python3 -m pip install gunicorn
[Unit]
Description=My WSGI app
After=network.target

[Service]
Type=simple
User=pi
WorkingDirectory=/var/www/my_wsgi_ap