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Full Discussion: Odd(?) shell script practise
The Lounge What is on Your Mind? Odd(?) shell script practise Post 302803965 by Don Cragun on Tuesday 7th of May 2013 08:24:44 PM
Old 05-07-2013
It is fairly common practice when writing software that is to be used in multiple operating environments to use a scheme like one of these as a configuration option when installing the software. Obviously the copyrighted code in example 2 from HP configures itself each time the script runs based on the results of a call to uname. How the IBM script in example 1 and the nagios script in example 3 are setup may be hidden in the ... areas of the code you didn't show or during the installation of these scripts.

I don't know of any university course that teaches this style, but you can bet that HP, IBM, and Oracle have coding guidelines (and probably internal classes) that specify coding styles for these kinds of application scripts.
 

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IPESCRIPT(1)						      General Commands Manual						      IPESCRIPT(1)

NAME
ipescript - Run an Ipe script (written in Lua) SYNOPSIS
ipescript script { arguments } DESCRIPTION
ipescript runs an Ipe script written in Lua. The Ipe bindings are automatically available in the script. Ipescript looks for the script in any of the script directories. The script argument should not contain the .lua extension. ENVIRONMENT VARIABLES
ipescript respects the following environment variables: IPELATEXDIR the directory where ipetoipe runs Pdflatex. IPESCRIPTS a list of directories where Ipescript will look for scripts. When this variable is not set, Ipe searches first the current directory, then ~/.ipe/scripts, and finally the system-wide Ipe script directory. When this variable is set, it should contain a list of directories, separated by semicolons. A single under- score is replaced by the system-wide Ipe script directory. IPEDEBUG set this to 1 for debugging output from ipescript. AUTHOR
Otfried Cheong REPORTING BUGS
Please report bugs using Ipe bugzilla at http://ipe7.sourceforge.net/bugzilla.html SEE ALSO
Ipe is documented fully in The Ipe Manual, which is available online at http://ipe7.sourceforge.net/manual/manual.html . August 28, 2011 IPESCRIPT(1)
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