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Full Discussion: Unable to unlink files perl
Top Forums Shell Programming and Scripting Unable to unlink files perl Post 302912415 by sam05121988 on Friday 8th of August 2014 05:08:25 AM
Old 08-08-2014
Bug Unable to unlink files perl

Hi,

I have a dir and some files as below (all have full perm)

Code:
drwxrwxrwx 2 sam sam 4096 Aug  8 04:31 /home/sam/test

$ ll /home/sam/test
-rwxrwxrwx 1 sam sam 0 Aug  8 04:31 b1_2013_file.txt
-rwxrwxrwx 1 sam sam 0 Aug  8 04:31 c1_2014_file.txt

I want to go to this directory and delete the files matching "_2013_"

For this I am using the below perl code snippet
Code:
 opendir ( DIR, "/home/sam/test" ) || die "$!";
    foreach my $file ( readdir DIR ) {
        print "$file\n";
        if ( $file =~ m#_2013_#){
            print "Matched : $file\n";
            unlink $file || die "Can't remove $file, $!";
        }
    }
    closedir DIR;

Strangely it is able to print the filenames but not unlinking, also it does not gives any error message
Code:
.
..
b1_2013_file.txt
Matched : b1_2013_file.txt
c1_2014_file.txt

$ ll /home/sam/test
-rwxrwxrwx 1 sam sam 0 Aug  8 04:31 b1_2013_file.txt
-rwxrwxrwx 1 sam sam 0 Aug  8 04:31 c1_2014_file.txt

my perl version and machine info is as below
Code:
This is perl, v5.10.1 (*) built for x86_64-linux-thread-multi
Red Hat Enterprise Linux Server release 6.4 (Santiago)

help!!!

Thanks
Sam
 

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cachefslog(1M)						  System Administration Commands					    cachefslog(1M)

NAME
cachefslog - Cache File System logging SYNOPSIS
cachefslog [-f logfile | -h] cachefs_mount_point DESCRIPTION
The cachefslog command displays where CacheFS statistics are being logged. Optionally, it sets where CacheFS statistics are being logged, or it halts logging for a cache specified by cachefs_mount_point. The cachefs_mount_point argument is a mount point of a cache file system. All file systems cached under the same cache as cachefs_mount_point will be logged. OPTIONS
The following options are supported. You must be super-user to use the -f and -h options. -f logfile Specify the log file to be used. -h Halt logging. OPERANDS
cachefs_mount_point A mount point of a cache file system. USAGE
See largefile(5) for the description of the behavior of cachefslog when encountering files greater than or equal to 2 Gbyte ( 2**31 bytes). EXAMPLES
Example 1: Checking the Logging of a directory. The example below checks if the directory /home/sam is being logged: example% cachefslog /home/sam not logged: /home/sam Example 2: Changing the logfile. The example below changes the logfile of /home/sam to /var/tmp/samlog: example# cachefslog -f /var/tmp/samlog /home/sam /var/tmp/samlog: /home/sam Example 3: Verifying the change of a logfile. The example below verifies the change of the previous example: example% cachefslog /home/sam /var/tmp/samlog: /home/sam Example 4: Halting the logging of a directory. The example below halts logging for the /home/sam directory: example# cachefslog -h /home/sam not logged: /home/sam EXIT STATUS
The following exit values are returned: 0 success non-zero an error has occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
cachefsstat(1M), cachefswssize(1M), cfsadmin(1M), attributes(5), largefile(5) DIAGNOSTICS
Invalid path It is illegal to specify a path within a cache file system. SunOS 5.10 7 Feb 1997 cachefslog(1M)
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