shrep 0.1

command-line tool to run a command repeatedly

shrep lets you run a shell command repeatedly, or until it fails. It’s intended for diagnosing intermittent failures – e.g. say you have a C program that seg faults once every hundred runs or so, and you need to reproduce it to fix it:

shrep -n 100 ./myprog

shrep can also run your program until it fails rather than a fixed number of repetitions. It can capture stdout and stderr to avoid cluttering your terminal. It can run child processes in parallel. See the man page for the full story:

groff -man -Tascii shrep.1 | less

Installation

shrep is currently a single-file Python script. The easiest way to install it is:

pip install --user shrep

That will put the executable in ~/.local/bin.

It also installs a man page, which you can read with

MANPATH=~/.local/share/man man shrep

(At least, that works for me on Ubuntu.)

Author, copyright, license

shrep was written by Greg Ward <[e-mail]>.

Copyright © 2018–2021 Gregory P. Ward. All rights reserved.

Use of this software is governed by a BSD-style license that can be found in the LICENSE.txt file.

Contributing

Find a bug? Want to implement a feature? Send me email! If a lot of people like it, I’ll put it on github or something.