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From: | Maxim Yegorushkin |
Subject: | Re: How to specify a dependence on a directory? |
Date: | Sun, 10 Jan 2010 22:17:21 +0000 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091209 Fedora/3.0-4.fc12 Thunderbird/3.0 |
On 20/11/09 22:42, Peng Yu wrote:
Is there way to specify a dependence on a directory? directory: somefile some_command If any file in 'directory' is older than 'somefile', then I want to run 'some_command'. I'm wondering how to do this.
The timestamps of directories get updated when you add or remove files in them. When you change existing files the directory timestamp does not get updated. Just update it manually after some files were changed in the directory, so that the directory timestamp is no older than those of the files in it:
directory: somefile some_command touch directory -- Max
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