How to read a file in chunks. You can optionally specify the starting point and the chunk size.
#!/bin/bash
function read_file_in_chunks { # FILENAME [START_FROM_LINE] [CHUNK_SIZE]
FILENAME="$1" && shift
START_FROM_LINE="$1" && shift || START_FROM_LINE=1
CHUNK_SIZE="$1" && shift || CHUNK_SIZE=10
FILE_LINES=$(wc -l < "${FILENAME}")
FILE_LINE=${START_FROM_LINE}
while [[ ${FILE_LINE} -le ${FILE_LINES} ]]; do
CHUNK …
Just for fun.
printf("Hello Franco");
printf("Hello Federico");
printf("Hello Enrico");
From time to time I need to note something down, from a snippet of code to some lorem ipsum.
Of course I can open a text editor and paste the text there but is it worth it to keep another window around when I have already a browser open in …
Are you running a 64bit linux flavor and you are having problem to connect to a Juniper vpn system, even using a 32bit firefox with a 32bit jre plugin as many online pages suggest?
I have the solution for you, it is openconnect:
sudo openconnect --juniper https://endpoint
that is …
I do a big use of shell scripts, and many of them contain a for loop, do you know what normally happen when you press CTRL^C and the script is executing an action inside the loop?
for i in test{6..10}.com; do
echo "pinging ${i}"; ping -c …
For a while I had no signature on my email then I started to add a simple "Luca Lanziani" and now I have the following format:
--
| Luca Lanziani - Software Engineer | ||
| : | [email protected] | |
| site | : | lanziani.com |
| skype | : | luca.lanziani |
It is a simple html table with some inline …
Ok, in the last article I've shown you a tool to write a nice command line interface, but it doesn't help you on validation.
try:
level = int(args['--log-level'])
except ValueError:
raise ArgsError('--log-level has to be a valid integer')
Manual validation? There is a much better way to do …
How to write a better command line interface with python...
Writing the Nth python shell script I found myself looking again at the documentation of argparse, A NIGHTMARE. After 15 minutes spent trying to understand how to use it I gave up.
Is in that moment that I've found docopt …
Vediamo come è possibile combinare quanto visto fin'ora per creare 5 semplici rotte che permettano di fruire di una risorsa. Introduciamo il metodo param e testiamo l'applicazione con curl.
Capiamo inoltre come simulare una PUT o una DELETE in caso in cui il client non supporti tali metodi.
Express-resource: https …