Scsh

SCSH (SCheme SHell)

Developed by	Olin Shivers Brian Carlstrom Martin Gasbichler Mike Sperber
Latest release	0.6.7 / 16 May 2006
Written in	Scheme
OS	Unix-like
Platform	32-bit
Size	4.2 MB
Available in	English
Development status	Unmaintained
Type	Unix shell
License	BSD License
Website	scsh.net

Scsh is a POSIX API layered on top of the Scheme programming language in a manner to make the most of Scheme's capability for scripting. It is limited to 32-bit platforms.

Features

Scsh includes these notable features:

• Library support for list, character, and string manipulations;
• Regular expressions manipulation support using scheme regular expressions, a little languages approach to the capabilities;
• Strong networking support;
• High-level support for awk like scripts, integrated into the language as macros;
• Abstractions supporting pseudo terminals;
• A shell language, modeled using quasi-quotation.

Example

• Print a list of all the executables available in the current PATH to the standard output:

#!/usr/local/bin/scsh -s
!#
 
(define (executables dir)
  (with-cwd dir
    (filter file-executable? (directory-files dir #t))))
(define (writeln x) (display x) (newline))
 
(for-each writeln
  (append-map executables ((infix-splitter ":") (getenv "PATH"))))

See also

Free software portal

• esh (Unix)
• Unix shell
• Comparison of command shells

External links

• Home page
• Sourceforge project page
• Downloads

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