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Applications and libraries/Operating system

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;[http://www.cse.unsw.edu.au/~dons/haskell-1990-2000/msg04763.html Unix.hs]
 
;[http://www.cse.unsw.edu.au/~dons/haskell-1990-2000/msg04763.html Unix.hs]
 
:Koen Claessen's binding to common unix functions.
 
:Koen Claessen's binding to common unix functions.
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:A Haskell library for working with files and directories. Includes code for pattern matching, finding files, modifying file contents, and more.
   
 
=== Logging ===
 
=== Logging ===

Revision as of 20:49, 16 May 2007

Operating Systems and Systems Programming

See also research papers on this topic.

Contents


1 Applications

1.1 Standalone operating systems

House
House is a platform for exploring various ideas relating to low-level and system-level programming in a high-level functional language, or in short for building operating systems in Haskell.

1.2 Filesystems

Halfs, the Haskell Filesystem
Halfs is a filesystem implemented in Haskell. Halfs can be mounted and used like any other Linux filesystem, or used as a library.
ZipperFS
Oleg Kiselyov's zipper-based file server/OS where threading and exceptions are all realized via delimited continuations.
Debian From Scratch
A single, full debian rescue CD. The tool that generates these ISO images (dfsbuild) is written in Haskell.

1.3 Hardware emulators

OmegaGB
OmegaGB is a Nintendo Game Boy emulator written in Haskell.
ZMachine
ZMachine is a Z-machine (Infocom's interactive fiction VM) interpreter which currently needs attention to its UI rather badly. This points to the darcs repository, as I suppose you can tell. It uses Gtk2Hs, but it just goes down hill from there. Help welcome! --SamB 03:40, 6 December 2006 (UTC) (the author)

1.4 Window managers

hsxwm
A binding to the X transport protocol (message format level) obtained by using FFIPKG. (For normal Xlib work, use the Xlib standard library).
xmonad
A lightweight X11 window manager.

1.5 Shell utilities

haskell-ls
A (near-)clone of the GNU ls utility.
h4sh
h4sh provides a set of Haskell List functions as normal unix shell commands. This allows us to use Haskell in shell scripts transparently. Each program is generated from the corresponding Haskell function's type

1.6 Package management

Himerge
Luis Araujo's Haskell gui frontend to Emerge

2 Libraries

2.1 Filesystems

Fuse
David Roundy's combination of a nice DarcsIO-style filesystem interface on the Haskell side (called FuseIO) with an interface to libfuse (which is a library for creating filesystems from user space on linux).
hfuse
Jeremy Bobbio's fuse bindings
hinotify
A library binding to inotify, providing file system event notification, by simply add a watcher to a file or directory and get an event when it is accessed or modified.

2.2 Dynamic linking

hs-plugins
Library support for dynamically loading Haskell modules, as well as compiling source or eval code fragments at runtime.

2.3 Processes

popenhs
A small library, based on runProcess in the standardised posix library. It provides lazy output from subprocesses.
Process
Process is a fun library for easing decomposition of algorithms to several processes, which transmit intermediate data via Unix-like pipes. Each sub-process is just a function started with forkIO/forkOS with one additional parameter-pipe.

See also concurrency and parallelism

2.4 Environment

GetOptions
This module provides an advanced option parsing routine which can properly parse options depending on what types are infered for them as well as produce a pretty error message with usage info when an incorrect option is used.

2.5 Time

TimeLib
TimeLib is an attempt to redesign the current library for handling time (System.Time), balancing expressive functionality and intelligible simplicity. Now at version 0.2, TimeLib features representation of TAI, UTC and UT1, as well as Gregorian, ISO 8601 week, and "year and day" calendars, time-zones, and functions for strftime-style formatting. We'd like to collect some additional documentation on this wiki, too: Time library
ParseDate
ParseDate provides a function for parsing dates and times given a date format string.
rdtsc
Provides the function 'rdtsc' for accessing the 'rdtsc' machine register on modern IA-32 processors. This is a 64-bit counter which counts the number of processor cycles since the machine has been powered up. Using this instruction, you can make very precise time measurements which are independent of the actual CPU frequency.

2.6 Terminal

Library/VTY
A simple terminal interface library. It provides: handling of suspend/resume, window resizes, minimizes repaint area, automatically decodes keyboard keys into (key,modifier) tuples, and more!

2.7 Shell

2.7.1 Haskell shell examples

HsShellScript
A library for using Haskell for tasks which are usually done by shell scripts, e.g. command line parsing, analysing paths, etc. It can be used also for tasks usually done GetOpt (a module for GNU-/POSIX-like option handling of commandline arguments). But also for many other things.
Jim Mattson's Hsh Haskell shell
on the software page by Ralf Hinze. Hsh seems to be written in Haskell 1.3.
HaSh
a nascent project page on a shell scripting system
Monadic i/o and UNIX shell programming
UNIX pipes as IO monads.
shell-haskell
start an external shell command asynchronously, write data to its standard input and read results from its standard output. There is a Darcs repository with a cabalized version.
hashell
shell with some scripting capabilities to use Haskell as a scripting language.
Haskell Shell (HSH)
HSH, the Haskell shell. Things are still very preliminary in many ways, but this version already lets you:
  • Run commands
  • Pipe things between commands
  • Pipe command input/output into and out of pure Haskell functions
  • Pure Haskell functions are as much a first-class citizen as is grep or cat

2.7.2 Link collections on pure functional shells

2.8 File utilities

magic-haskell
magic-haskell is a binding to the libmagic library. With magic-haskell, you can determine the type of a file by looking at its contents rather than its name. This library also can yield the MIME type of a file by looking at its contents.
IFF parser
Parse files in the Interchange File Format by Electronic Arts as used in AIFF, ILBM, 8SVX and so on. Creation of IFF files is planned.
mkstemps
A Haskell reimplementation of the C mktemp/mkstemp/mkstemps library from OpenBSD
Unix.hs
Koen Claessen's binding to common unix functions.
FileManip
A Haskell library for working with files and directories. Includes code for pattern matching, finding files, modifying file contents, and more.

2.9 Logging

ErrorLog
Manages an error log with proper locking. has a number of useful routines for detecting and reporting erronious conditions.
Logging
Multiple debug levels and log file support

This page contains a list of libraries and tools in a certain category. For a comprehensive list of such pages, see Libraries and tools.