shell-scripts

Basic scripts I found or wrote to utilize the shell's wonderful capabilities

Hints

• scripts that use the beep command need the pc-speaker to work - in ubuntu that means you have to sudo modprobe pcspkr first
• to execute them you may have to make them executable by sudo chmod +x $FILENAME
• if you include the functions into your .bashrc, .zshrc, .foorc you can omit the #!/bin/bash at the beginning and the call of the functions itself at the end of the scripts
• rename the "main"-functions or alias them to use your own command that you can remember ;-)

Inventory

Timer

• Usage timer $x ($x = seconds to count down from)
• Result: A countdown of the given number of seconds will be executed. When it's finished an alarm sound will be played.

Weather

• Usage: weather $x ($x = location to show weather forecast for)
• Result: wttr.in will be asked for the weather forecast of the given location. The forecast is printed to the console.

Time Delta

• Usage: timeDelta $x ($x = any shell command including parameters to measure execution time for)
• Result: The provided shell command is executed and the time it took is printed to the console.

Speak Time

• Dependencies: libttspico-utils (includes pico2wave for speech synthesis)
• Usage:
  • Add @hourly /home/prometheus/shellscripts/speak-time.sh >/dev/null 2>&1 to your crontab (edit it with crontab -e)
  • Add XDG_RUNTIME_DIR=/run/user/1000 to your crontab with your user ID (get your user id with id and substitute the '1000' with it)
• Result: The hour of the current time is spoken every hour

My Public IP

• Usage:
  • rename the file and remove the .py file extension
  • make the file executable (by using chmod +x my-public-ip)
  • get your public ip's by running ./my-public-ip
• Result: Your public ipv4 and ipv6 are printed to STDOUT

Backup Signal Desktop

Since Signal Desktop does not provide an export I created this script for archiving your Signal messages.

• Result: Backup of your Signal database as sqlite and csv
• Hint: Only the messages synchronized with your desktop client can be exported