bourne shell

New series on learning shell scripting.

Wednesday, October 19. 2011

For anyone who is new to the Unix world, Linux Magazine is running a series of articles on learning shell scripting. Part one introduces the basics, while part two introduces while loops.

Posted by Paul in bourne shell at 06:49 | Comments (0) | Trackbacks (0)

Using the bash debugger

Thursday, November 27. 2008

It's not widely known that bash has its own debugger - possibly because most Linux distributions don't install it by default. Linux.com show how to install it, and show a number of examples of using it to debug your own scripts.

Posted by Paul in bourne shell at 09:25 | Comments (0) | Trackbacks (0)

Bash sub-shells

Saturday, November 15. 2008

Mitch Frazier explains how to make use of parentheses to execute groups of commands in the background within shell scripts, in his Linux Journal article on subshells.

Posted by Paul in bourne shell at 07:49 | Comments (0) | Trackbacks (0)

Bash: Redirecting Input from Multiple Files

Friday, October 17. 2008

Linux Journal has published another article in its series on Bourne-again shell programming for beginners, this time with a tutorial on redirecting input from multiple files.

Posted by Paul in bourne shell at 07:29 | Comments (0) | Trackbacks (0)

Aliases and functions in shells

Sunday, September 21. 2008

Linux.com is running a piece on using aliases and functions within the bash shell. Fairly simple stuff, but useful to know.

Posted by Paul in bourne shell at 08:38 | Comments (0) | Trackbacks (0)

Floating Point Math in Bash

Tuesday, August 19. 2008

When I hear the phrase "floating point math", the idea of performing it within a shell programming language is probably the furthest from my mind. Nevertheless, the people at Linux Journal have managed to print a two-part article on this very topic: