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delete file with similar names

delete file with similar names

delete file with similar names

I guess this might come down to more of a unix command then perl question. I want to write a script that will delete any file with similar name for the particular month.
The files under the directory are name such as below:
-rw-r----- 1 oracle dba 20353024 Jul 3 23:00 exprmanFri_0703152300.dmp
-rw-r--r-- 1 oracle dba 6066 Jul 3 23:00 exprmanFri_0703152300.log
-rw-r----- 1 oracle dba 20418560 Jul 10 23:00 exprmanFri_0710152300.dmp
-rw-r--r-- 1 oracle dba 6067 Jul 10 23:00 exprmanFri_0710152300.log
-rw-r----- 1 oracle dba 19423232 Jul 17 23:00 exprmanFri_0717152300.dmp
-rw-r--r-- 1 oracle dba 6067 Jul 17 23:00 exprmanFri_0717152300.log

My script is below:
$dir = '/apps/oracle/admin/gcprod/dpdump';
print "Enter the two digit month number for the file to be deleted: ";
$mon = <STDIN>;
opendir DIR, $dir;
foreach my $file (readdir(DIR)) {
$len = length $file;
$str1 = substr($file, $len-14, 2);
next if $file =~ /^\./; #skip ., .., etc
next unless -f "$dir/$file"; # skip non-files
if ($str1 = $mon)
system ("rm");
# print "The month of the file is $str1 \n"; for debug purpose
closedir DIR;

I am not sure how I should write the rm command the remove the files I wanted. Please advise. Will rm exprman*_$mon* work? I don't have a test system to test this. So, do not want to issue this and delete any files that I actually needed.

RE: delete file with similar names

I might do something like this:


use warnings;
use strict;
use File::Find;

my $dir = './txt/';	# Change this to your directory
my $month = '07'; 	# Get this from STDIN, command line, etc.
find( {wanted => \&remove_files_by_month, follow => 0}, $dir);

sub remove_files_by_month() {
	if (-f $_) {
		if (substr($_, length($_)-14, 2) eq $month) {
			print "unlink $_\n";	# Use this for testing
			#unlink $_;	# Uncomment this line to delete files
And you can nearly always test to some degree; in this case the script prints the commands that would have run (see the comments.) Alternately, you could copy a representative set of log files to a temporary location in your home directory or somewhere else and operate on the copies instead of the originals.

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