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Top Forums Shell Programming and Scripting Can anyone make this script run faster? Post 302219897 by shew01 on Wednesday 30th of July 2008 09:48:22 AM
Old 07-30-2008
Quote:
Originally Posted by Annihilannic
Consider that every single set of `...` or $(...) means a fork to a subshell and you can imagine why this would run slowly.
Okay. That explains it.

Quote:
Originally Posted by Annihilannic
I would re-write it using awk or perl to handle all of the formatting and conversion of numbers to human-readable format.
Thanks for the feedback. Unfortunately, I have zero skill in Perl and only a little bit of skill with awk.

Last edited by shew01; 07-30-2008 at 01:43 PM..
 

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script(1)							   User Commands							 script(1)

NAME
script - make record of a terminal session SYNOPSIS
script [-a] [filename] DESCRIPTION
The script utility makes a record of everything printed on your screen. The record is written to filename. If no file name is given, the record is saved in the file typescript. See WARNINGS. The script command forks and creates a sub-shell, according to the value of $SHELL, and records the text from this session. The script ends when the forked shell exits or when Control-d is typed. OPTIONS
The following option is supported: -a Appends the session record to filename, rather than overwriting it. NOTES
script places everything that appears on the screen in filename, including prompts. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |CSI |Enabled | +-----------------------------+-----------------------------+ SEE ALSO
attributes(5) WARNINGS
script can pose a security risk when used in directories that are writable by other users (for example, /tmp), especially when run by a privileged user, that is, root. Be sure that typescript is not a link before running script. SunOS 5.10 30 Jan 2004 script(1)
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