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Full Discussion: Check that at least one file exists in the directory.
Top Forums UNIX for Beginners Questions & Answers Check that at least one file exists in the directory. Post 303039567 by Rajesh123 on Wednesday 9th of October 2019 02:39:24 PM
Old 10-09-2019
Check the at least one file exists in the directory
Below code is doing file validation properly but returning error after completion second loop. error "file does not existing". my requirement is to check only once if the file exists then it should delete data from table and enter in to the second do loop and print the file names then exit without any error. if there is no single file exists in the directory then should give error.
abc_234.dat abc _123.dat

Code:
INPUTDIR=/path/with/files
for i in $INPUTDIR/abc*.dat
do
        if  [ -f $i ]; then
                echo "delete data from table..."
do
ls -t abc*.dat | sort > ABC.lst
cat  ABC.lst | while read line
do
export file1=$line
echo "${file1}"
done
        else
                echo "File does not exist, exiting.."
                exitcd=44
        fi
done
return $exitcd

Last edited by Peasant; 10-09-2019 at 11:31 PM.. Reason: Code tags, use them.
 

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LEARN ABOUT DEBIAN

arp2ethers

ARP2ETHERS(8)						      System Manager's Manual						     ARP2ETHERS(8)

NAME

       arp2ethers - convert arpwatch address database to ethers file format

SYNOPSIS

       arp2ethers [ arp.dat file ]

DESCRIPTION

       arp2ethers  converts  the file /var/lib/arpwatch/arp.dat (or the file specified on the command line) into ethers(5) format on stdout.  Usu-
       ally arp.dat is an ethernet/ip database file generated by arpwatch(8).  The arpwatch daemon in Debian will create different arp.dat depend-
       ing on its configuration. All of them will be available at /var/lib/arpwatch/.

FILES

       /var/lib/arpwatch - default directory for arp.dat
       arp.dat - ethernet/ip address database

SEE ALSO

       arpwatch(8), ethers(5), rarp(8), arp(8),

BUGS

       Please send bug reports to arpwatch@ee.lbl.gov.

AUTHORS

       Original  version  by  Craig Leres of the Lawrence Berkeley National Laboratory Network Research Group, University of California, Berkeley,
       CA.

       Modified for the Debian Project by Peter Kelemen, with additions from Erik Warmelink.

       The current version is available via anonymous ftp:

	      ftp://ftp.ee.lbl.gov/arpwatch.tar.gz

       This manual page was contributed by Hugo Graumann.

																     ARP2ETHERS(8)
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