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Top Forums Shell Programming and Scripting Perl : to get the no. of elements from DataDumper Post 302860027 by scriptscript on Friday 4th of October 2013 12:26:49 PM
Old 10-04-2013
Perl : to get the no. of elements from DataDumper

Hello Folks,

I have a DataDumper variable and the output of the dataDumper is printed in the below manner.
Code:
print Dumper \%mnemonics;

VAR1 = {
 
          'SYS-7-CLI_SCHEDULER_LOG_STORED' => [
                                                {
                                                  'template' => 'Logfile for scheduled CLI execution job is stored in flash memory',
                                                  'regex' => 'Logfile for scheduled CLI execution job \'tech-support\' is stored in flash memory',
                                                  'trap' => '5'
                                                }
                                              ],
          'CRYPTO-6-IKMP_MODE_FAILURE' => [
                                            {
                                              'template' => 'Processing of Informational mode failed with peer IP',
                                              'regex' => 'Processing of Informational mode failed with peer at (\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})',
                                              'trap' => '4'
                                            }
                                          ],
          'AAAA-4-SERVUNDEF' => [
                                  {
                                    'template' => 'The server-group "vty" is not defined. Please define it.',
                                    'regex' => 'The server-group "vty" is not defined. Please define it.',
                                    'trap' => '1'
                                  }
                                ],
          'FWSM-2-106007' => [
                               {
                                 'template' => 'Deny inbound UDP from the IP Address',
                                 'regex' => 'Deny inbound UDP from (\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})',
                                 'trap' => '8'
                               },
                               {
                                 'template' => 'Processing of Informational mode failed',
                                 'regex' => 'Processing of Informational mode failed with peer at (\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})',
                                 'trap' => '9'
                               }
                             ]
        };

Now I want to get the no. of elements in the particular hash element.

Suppose say , I want to get the no. of elements that 'FWSM-2-106007' is points towards .

i.e., 2

So 2 has to be the output.

Example 2 : 'CRYPTO-6-IKMP_MODE_FAILURE' is pointing towards only one array elments. So the no. of elements is 1.


Could anyone please let me know to get the no. of elments that hash is referencing towards .

Regards,
J
 

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ppmtosixel(1)						      General Commands Manual						     ppmtosixel(1)

NAME
ppmtosixel - convert a portable pixmap into DEC sixel format SYNOPSIS
ppmtosixel [-raw] [-margin] [ppmfile] DESCRIPTION
Reads a portable pixmap as input. Produces sixel commands (SIX) as output. The output is formatted for color printing, e.g. for a DEC LJ250 color inkjet printer. If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled. A printer control header and a color assignment table begin the SIX file. Image data is written in a compressed format by default. A printer control footer ends the image file. OPTIONS
-raw If specified, each pixel will be explicitly described in the image file. If -raw is not specified, output will default to com- pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands. A raw file is often an order of magni- tude larger than a compressed file and prints much slower. -margin If -margin is not specified, the image will be start at the left margin (of the window, paper, or whatever). If -margin is speci- fied, a 1.5 inch left margin will offset the image. PRINTING
Generally, sixel files must reach the printer unfiltered. Use the lpr -x option or cat filename > /dev/tty0?. BUGS
Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion. If the original PPM maxval was greater than 100, rescaling also reduces the image depth. While the actual RGB values from the ppm file are more or less retained, the color palette of the LJ250 may not match the colors on your screen. This seems to be a printer limitation. SEE ALSO
ppm(5) AUTHOR
Copyright (C) 1991 by Rick Vinci. 26 April 1991 ppmtosixel(1)
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