Re: du How does du work?

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Article #4574

#4574

From: Andrew Gierth
Date: Fri, 08 Nov 1996 00:00

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>>>>> "lbliao" == lbliao  <lbliao@alumnae.caltech.edu> writes:

 lbliao> How does du work? How does it descend down the filesystem and
 lbliao> get the name of each file? Is there a command that can
 lbliao> recursively descend the file system and give the name of the
 lbliao> file to do something to? The other option of piping or
 lbliao> storing may be RAM or harddisk intensive.

Read all about it; source for du is easily available (e.g. GNU fileutils,
or from ftp.freebsd.org).

There is a command to recursively descend the filesystem: 'find'.

In a program, you may have a library function ftw().

At a lower level, you can easily search the directory tree yourself using
opendir/readdir/closedir, stat(), etc.

-- 
Andrew Gierth (andrewg@microlise.co.uk)

"Ceterum censeo Microsoftam delendam esse" - Alain Knaff in nanam

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From: andrewg@microlise.co.uk (Andrew Gierth)
Subject: Re: du How does du work?
Date: 1996/11/08
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