Status on Total Number of Files (Send alert if files are less than 20)
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# First create 20 files

touch file{1..20}.txt


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Now create a script:

#!/bin/bash

a=`ls -l file* | wc -l`

	if [ $a -eq 20 ]
	then
	echo Yes there are $a files
	else
	echo Files are less than 20
	fi