Fractional CTO

David Favor

Senior System Engineer

MichaelBalack

dfke

<div>
Likely noci's code will be best.<br />
<br />
Another approach... If you have many files (1,000,000) or are trying to avoid any additional disk I/O on a busy system, use inotifywait.<br />
<br />

<pre><code id="code-20-42795025-1">inotifywait -mr --timefmt '%Y-%m-%d-%T' --format '%T %w%f %e' /var/log | while read time file event ; do

# code here to process data based on time + file + event
echo &quot;$time $file $event&quot;

done</code></pre>
</div>


Likely noci's code will be best.

Another approach... If you have many files (1,000,000) or are trying to avoid any additional disk I/O on a busy system, use inotifywait.



inotifywait -mr --timefmt '%Y-%m-%d-%T' --format '%T %w%f %e' /var/log | while read time file event ; do

# code here to process data based on time + file + event
echo "$time $file $event"

done

<div>
Thanks for both experts, it works.
</div>


<div>
<div class="content wysiwyg-content">
This is using SuSE Linux Enterprise 12.3. We are thinking of writing a bash script to find out the whether a group of files with *.rf were updated for the past 4 hours. We wanted to ensure that at least 1 or more of these *.rf files in /usr6/MAPS4/ folder. We are thinking of checking based on the &quot;Modified date&quot; of the file. If at least 1 *.rf file was updated for the past 4 hours, that means thing is working fine. Else, if none were updated, an alert will be triggered.<br />
<br />
How to write this bash script? Please show with example.<br />
<br />
Thanks in advance.
</div>
</div>


This is using SuSE Linux Enterprise 12.3. We are thinking of writing a bash script to find out the whether a group of files with *.rf were updated for the past 4 hours. We wanted to ensure that at least 1 or more of these *.rf files in /usr6/MAPS4/ folder. We are thinking of checking based on the "Modified date" of the file. If at least 1 *.rf file was updated for the past 4 hours, that means thing is working fine. Else, if none were updated, an alert will be triggered.

How to write this bash script? Please show with example.

Thanks in advance.

How to write a bash script based on the modified of the files?

Linux is a UNIX-like open source operating system with hundreds of distinct distributions, including: Fedora, openSUSE, Ubuntu, Debian, Slackware, Gentoo, CentOS, and Arch Linux. Linux is generally associated with web and database servers, but has become popular in many niche industries and applications.

Linux

A scripting language is a programming language that supports scripts, programs written for a special run-time environment that automate the execution of tasks that could alternatively be executed one-by-one by a human operator. Scripting languages are often interpreted (rather than compiled). Primitives are usually the elementary tasks or API calls, and the language allows them to be combined into more complex programs. Environments that can be automated through scripting include software applications, web pages within a web browser, the shells of operating systems (OS), embedded systems, as well as numerous games. A scripting language can be viewed as a domain-specific language for a particular environment; in the case of scripting an application, this is also known as an extension language.