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Linux CLI tool to assign shell commands to keys on a USB MIDI Keyboard

42 starsC

Pianoterm – Run shell commands from your Piano. A Linux CLI tool

by vustagc·Mar 2, 2026·61 points·21 comments
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AI Analysis

●●SolidNiche GemCozy

MIDI keyboard shell command mapper, genuinely novel input device repurposing for power users.

Strengths
  • •Legitimately creative constraint: uses underutilized hardware (piano) as a programmable input device for learning music by ear
  • •Simple, intentional scope—does one thing (MIDI-to-shell mapping) with clarity and no bloat
  • •Low barrier to entry: minimal dependencies (ALSA, C compiler), straightforward config syntax
Weaknesses
  • •Linux-only (ALSA dependency), excludes macOS and Windows users entirely
  • •Niche audience: only useful if you own a USB MIDI keyboard and want CLI control from it
  • •Minimal documentation—no examples beyond playerctl, no troubleshooting guide for MIDI setup
Target Audience

Musicians using Linux, terminal enthusiasts, music learners

Post Description

A little weekend project, made so I can pause/play/rewind directly on the piano, when learning a song by ear.

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