BASH, SED & AWK

I was given a USB stick with 16,000 PowerPoint files with the .ppt extension dating from 2005, of which each document is a manually scanned page of sheet music. This was done by a very diligent soul all those years ago, who knew little of the pernicious ways how Big Tech operate by regularly changing the data formats of digital artefacts, which forces users to constantly upgrade their expensive software. No surprise then that files produced by the version of PowerPoint from back in 2005 are not recognised by the more recent versions of the PowerPoint application.

Check this out! Impress girls with your BASH skills. Be the coolest kid on the block. Get invited to all the parties. Get everyone to buy you beer, etc...

Here are some cool tricks to use in BASH.

Read more: Cool One-Liners in BASH

The Original DX7 synthesizer from the 1980's, where all good music came from.

I have scrounged 3500-odd DX7 synthesizer voice files from various sources, and many have similar names. For the DX7 emulator to access them all, they need to be in only one directory, ~/sysex/voice. and each filename must start with a unique 6-digit prefix. Here is how to apply such a sequential, unique prefix to a bunch of files in a directory:

Famous Posters

BASH, SED & AWK

BASH, SED & AWK

Filename Data Cleansing with BASH, PDFTK & LibreOffice

Cool One-Liners in BASH

Adding a unique sequenced ID to file names