Ubuntu Coding Examples

Format ctime:

• $ date --date="@-545693400" +"%F %H:%M %z"
• 1952-09-15 22:30 -0400

Show drives and partitions:

• $ lsblk
• NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
• loop0 7:0 0 89.5M 1 loop /snap/core/6034
• loop1 7:1 0 2.3M 1 loop /snap/gnome-calculator/260
• ...
• loop15 7:15 0 3.7M 1 loop /snap/gnome-system-monitor/51
• sda 8:0 0 465.8G 0 disk
• ├─sda1 8:1 0 512M 0 part /boot/efi
• └─sda2 8:2 0 465.3G 0 part /
• sdb 8:16 1 57.8G 0 disk
• └─sdb1 8:17 1 57.8G 0 part /media/ray/Backup-Ray

Expand file into command line:

If file is guaranteed not to contain whitespace:

• $ cmd ... $(<file) ...

If file might contain whitespace:

• $ xargs <file --delimiter=$'\n' --replace='%' cmd ... % ...

(% is any character not contained in the ...s.)

from other files

• import sys
• sys.path.insert(0, "../../source/myprogsource")
• from myprogsource import myprog
• myprog.prog(args)

Google

• See Twilio directions for how to configure Google.

Packages

• # pip3 install gspread oauth2client
• # pip3 install networkx

Code

• import gspread
• from oauth2client.service_account import ServiceAccountCredentials
• scope = ["https://spreadsheets.google.com/feeds"]
• credentials = ServiceAccountCredentials.from_json_keyfile_name("client_secret.json", scope)
• client = gspread.authorize(credentials)
• sheet1 = client.open("Name of Sheet").sheet1
• sheet1.get_all_values()