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Peter Mikkelsen

Core Developer

Joined Dyalog Ltd in July 2022

Role Summary

Peter works on improving different parts of the Dyalog interpreter.

Biography

Peter has always been fascinated by programming languages and their implementation, and studied Computer Science at university. When he came across APL by accident, he decided that it looked interesting/different enough that it was worth learning. After some experimentation with writing interpreters himself, he was pleased to discover that Dyalog Ltd was looking for an interpreter developer, and he sent an email to find out more. After a couple of calls and interviews, he was offered the job, and he joined Dyalog Ltd soon after finishing his bachelors degree. Peter is excited to be a part of keeping this language alive, and enjoys improving the quality and stability of the Dyalog interpreter. He still likes to do some experimentation on his own, especially testing ideas that are less likely to be included in a commercial product such as Dyalog.

New Function for Shell Calls

At Dyalog '23, Peter identified some issues in monadic ⎕SH/⎕CMD and proposed a design for a new system function, ⎕SHELL, that fixes those issues (see https://www.youtube.com/watch?v=bQkYsT4hTH0). Since then, the design has been refined and impr...View

September 2024

Dyalog '24

Revisiting ⎕SH and ⎕CMD

Using ⎕SH/⎕CMD to run commands through the operating system's shell is a useful feature, but unfortunately this has some limitations. Peter explores these, and presents a new system function that aims to eliminate them and allow the user to contr...View

October 2023

Dyalog '23

APL9 from Outer Space

Peter is the most recent addition to the Dyalog interpreter development team. While he was still at Aalborg University, Peter implemented his own APL interpreter for the Plan9 operating system, a UNIX-like "distributed operating system" developed at ...View

October 2022

Dyalog '22

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Peter Mikkelsen

Core Developer

Role Summary

Biography

New Function for Shell Calls

Revisiting ⎕SH and ⎕CMD

APL9 from Outer Space

Dyalog APL is an array-oriented programming language that lets you express complex ideas in remarkably little code.

Dyalog is free to use for learning and non-commercial purposes, with commercial licences available for commercial work.

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