Shell scripts regularly clear log files larger than 1 GB

Shell scripts regularly clear log files larger than 1 GB

This article mainly introduces how to regularly clear log files larger than 1 GB using Shell scripts. This article provides the implementation code directly. For more information, see

A question about how to automatically delete a specified file larger than 1 GB.

The batch processing code is as follows:

The Code is as follows:

#! /Bin/bash

# When/var/log/syslog is greater than 1 GB

# Automatically back up and clear

# Note the usage of awk

If! [-F/var/log/syslog]

Then

Echo "file not exist! "

Exit 1

Fi

If ['LS-l/var/log/syslog | awk' {print $5} ''-gt $ (1024*1024)]

Then

Cat/var/log/syslog> ~ /Log/history # Back up logs

Echo >> ~ /Log/history # Add an empty line

Date> ~ /Log/history # record time

Echo "-------------------------------------"> ~ /Log/history

Echo>/var/log/syslog # Clear

Fi