A quick command to figure out what your IP address is.
$ curl checkip.amazonaws.com
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For this example, I had a collection of text files with embedded mode lines to setup the mode for org-mode. I wanted to do away with the mode line and rename them from txt
files to org
files.
Build the GLOB before hand and verify with ls. For example ls *.txt
would have the GLOB value in the example replaced with *.txt
.
The git mv
renames the files.
for i in $(find . -iname "GLOB"); do
git mv "$i" "$(echo $i | rev | cut -d '.' -f 2- | rev).org";
done
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Update to Java 1.8 on EC2
sudo yum install java-1.8.0- sudo yum remove java-1.7.0-openjdk
The site Etherscan allows you retrieve information on accounts and transactions. There is an interface to the Reposten testnet as well. While doing some work on a project I was monitoring the page to view an account balance and ended up creating a script to do the monitoring programmatically.
The repo listed at the bottom of the page contains the python script which simply parses the page and returns the balance.
The main routine after figuring out which chain the user wants to look at and which account is the get_balance
routine. It parses the page and finds the balance in the first table's first row, second cell.
def get_balance(url):
html = requests.get(url, headers={'User-agent': 'Mozilla/5.0'}).text
soup = BeautifulSoup(html, "html.parser")
table = soup.find("table", {"class" : "table"})
value = table.findAll('td')[1].text.split(' ')[0].strip()
return value
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