Need help with find its action Post: 302369510

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Top Forums Shell Programming and Scripting Need help with find its action Post 302369510 by computethis on Sunday 8th of November 2009 11:51:14 PM

11-09-2009

Registered User

Need help with find its action

I am writing a shell script that takes at least 2 arguments. The first is an octal representation of file permissions, the second is a command that is executed on all the files found with that permission.

Code:

#!/bin/sh
find . -perm $1 -exec $2 $3 $4 {} \;

invoked: ./script.sh 543 ls -la

what I have now works alright, but it assumes that there are no more than 2 options with the command. Also on the system I'm using it ignores the $3 and $4 if not further arguments were passed, but this is poor style and I'm guessing some systems may get messed up.

I tried

Code:

#!/bin/sh
shift
find . -perm shift -exec
while [$# gt 0]
do
    shift
end
{} \;

but this didn't work.

Is my question clear or should I clarify?
Thanks for the help.

computethis

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LEARN ABOUT DEBIAN

io::async::protocol::linestream

IO::Async::Protocol::LineStream(3pm)			User Contributed Perl Documentation		      IO::Async::Protocol::LineStream(3pm)

NAME

       "IO::Async::Protocol::LineStream" - stream-based protocols using lines of text

SYNOPSIS

       Most likely this class will be subclassed to implement a particular network protocol.

	package Net::Async::HelloWorld;

	use strict;
	use warnings;
	use base qw( IO::Async::Protocol::LineStream );

	sub on_read_line
	{
	   my $self = shift;
	   my ( $line ) = @_;

	   if( $line =~ m/^HELLO (.*)/ ) {
	      my $name = $1;

	      $self->invoke_event( on_hello => $name );
	   }
	}

	sub send_hello
	{
	   my $self = shift;
	   my ( $name ) = @_;

	   $self->write_line( "HELLO $name" );
	}

       This small example elides such details as error handling, which a real protocol implementation would be likely to contain.

DESCRIPTION

EVENTS

       The following events are invoked, either using subclass methods or CODE references in parameters:

   on_read_line $line
       Invoked when a new complete line of input is received.

PARAMETERS

       The following named parameters may be passed to "new" or "configure":

       on_read_line => CODE
	       CODE reference for the "on_read_line" event.

METHODS

   $lineprotocol->write_line( $text )
       Writes a line of text to the transport stream. The text will have the end-of-line marker appended to it; $text should not end with it.

AUTHOR

       Paul Evans <leonerd@leonerd.org.uk>

perl v5.14.2							    2012-10-24				      IO::Async::Protocol::LineStream(3pm)