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Full Discussion: find: missing argument to `-exec' while redirecting using find in perl
Top Forums Shell Programming and Scripting find: missing argument to `-exec' while redirecting using find in perl Post 302582661 by ryran on Friday 16th of December 2011 06:48:41 PM
Old 12-16-2011
Quote:
Originally Posted by ramkumarselvam
Correct me if I am wrong any where.. This coding is to find the top 3 files in the filesystem with respect to size.
Code:
#!/usr/bin/perl
$get_filename=qx("find / -mmin 1 -type f -exec ls -lh {} \; 2>  /dev/null | awk '{ print $NF ": " $5 }'  | sort -nrk 2,2 |head -n3");
print "$get_filename \n";

  • First thought: Why in the world is this a perl script?
  • Second thought: don't use ls -h: some files might have a suffix of M; some G (etc). No good.
  • Third thought: Why are you doing this? Whatever the reason, I think there has got to be a better way. You do not need to be searching your WHOLE filesystem every minute (I'm assuming that's what you're doing based on your find options). With the limited info you've given, I think you would be much better off installing inotify-tools (available in every major distro) and watching only the directories that things are being created in.
 

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LEARN ABOUT DEBIAN

sieveshell

SIEVESHELL(1)						User Contributed Perl Documentation					     SIEVESHELL(1)

NAME

       sieveshell - remotely manipulate sieve scripts

SYNOPSIS

       sieveshell [--user=user] [--authname=authname] [--realm=realm] [--password=password] [--exec=script] [--execfile=file] server[:port]

       sieveshell --help

DESCRIPTION

       sieveshell allows users to manipulate their scripts on a remote server.	It works via MANAGESIEVE, a work in progress.

       The following commands are recognized:

	   list list scripts on server.

	   put <filename> upload script to server.

	   get <name> [<filename>] get script. if no filename display to stdout

	   delete <name> delete script.

	   activate <name> activate script.

	   deactivate deactivate all scripts.

OPTIONS

       -u user, --user=user
	   The authorization name to request; by default, derived from the authentication credentials.

       -a authname, --authname=authname
	   The user to use for authentication (defaults to current user).

       -r realm, --realm=realm
	   The realm to attempt authentication in.

       -p password, --password=password
	   The password to use when authenticating to server. Note that this parameter can be seen in the process list. Use with caution!

       -e script, --exec=script
	   Instead of working interactively, run commands from script, and exit when done.

       -f file, --execfile=file
	   Instead of working interactively, run commands from file file and exit when done.

REFERENCES

       [MANAGESIEVE] Martin, T.; "A Protocol for Remotely Managing Sieve Scripts", draft-ietf-managesieve-03.txt, Mirapoint, Inc.; May 2001, work
       in progress.

AUTHOR

       Tim Martin <tmartin@mirapoint.com>, and the rest of the Cyrus team <cyrus-bugs@andrew.cmu.edu>.

perl v5.14.2							    2014-06-03							     SIEVESHELL(1)
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