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Full Discussion: Shell script to find if any new entry in directory
Top Forums Shell Programming and Scripting Shell script to find if any new entry in directory Post 302947160 by MadeInGermany on Tuesday 16th of June 2015 04:12:18 AM
Old 06-16-2015
Quote:
Originally Posted by bhas85
I am not sure whether my way is correct or not.First i manually fill 1.txt how many files are there then it will automatically updates.by comparing i can check the new file is created or not.But the code is not working as expected..

Code:
#!/bin/sh
i=`head -1 1.txt`
echo $i
j=`ls -ltr *dump*|wc -l`
echo $j
if [ $i -gt $j ]
then
k=`ls -ltr *dump* | tail -1`
echo $k
exit 1
fi
ls -ltr *dump* | wc -l >1.txt

Two mistakes.
1. You want the new number of dumps greater than the old number so it must be if [ $j -gt $i ] or if [ $i -le $j ].
2. If you exit then 1.txt is not updated.

---------- Post updated at 03:12 AM ---------- Previous update was at 03:08 AM ----------

Chubler's solution with find can avoid (most) duplicates by
Code:
find . ! -name . -prune -name "*dump*" -newer 1.txt \! -newer 2.txt -exec ls -l {} +

Last edited by rbatte1; 06-16-2015 at 09:22 AM..
 

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LEARN ABOUT DEBIAN

apticron

apticron(1)						      General Commands Manual						       apticron(1)

NAME

       apticron - Generate a mail listing packages which are pending an upgrade

SYNOPSIS

       apticron [--cron]

DESCRIPTION

       apticron is a shell script which generates a mail with a list of all packages currently pending an upgrade, as well as summary of changes -
       using apt-listchanges - to a configurable Email address.

       apticron is mainly intended for automatic notification of pending security updates but can also be used	in  many  other  situations  where
       timely updates are necessary.

       The --cron option is only meant to be used when invoked by cron in order to run no more than once a day.

FILES

       /etc/apticron/apticron.conf
	      Configuration file, Email address to mail and profile for use with apt-listchanges are configurable.

       /etc/cron.d/apticron
	      Cron job for executing apticron daily.

       /etc/cron.daily/apticron
	      Fallback cron script for executing apticron (if no crond running or system down at designated time).

       /var/lib/misc/apticron.cron
	      Time stamp file used by apticron when invoked with --cron option.

SEE ALSO

       apt-get(8), apt-listchanges(1), cron(8)

AUTHOR

       Apticron  was initially developed by Colm MacCarthaigh <colm.maccarthaigh@heanet.ie> with contributions from Marc Sherman <msherman@projec-
       tile.ca>. Since 2006 it is maintained and improved by Tiago Bortoletto Vaz <tiago@debian.org>.

																       apticron(1)
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