various bash commands

various_commands.sh

#!/usr/bin/env bash

# run cmd in background after shell logout
# http://www.cyberciti.biz/tips/nohup-execute-commands-after-you-exit-from-a-shell-prompt.html
nohub doCommand.sh &

url=http://example.com

# curl into var
count=$(curl $url)

# curl w/ headers http://blogs.plexibus.com/2009/01/15/rest-esting-with-curl/
curl -i -H "Accept: application/json" $url

# count objects in aws s3 bucket
aws s3 ls s3://mybucket.com | wc -l

ulimit -n 2048