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Thanks for the reply.

I have tried it but it is not working. Though it appends the file names which are not listed in the input file, it is unable to delete the large number of files.

Hello Everyone,

I want to delete the image files from a directory, which are not listed in a TEXT file.

The directory contains large number of image files (in millions) required / not...

Hi Rudic,

Thanks for your reply. I never had any intention to create confusion. I thought I should keep the sample file simple and explain my requirement so that I can later modify the code for a...

Hi Dave,

Thanks once again. I will try and let you know.

Regards
Praveen

Hi Dave,

Thanks for your help. Can you please let me know what is a & b ?

My input file is feed.txt and the columns I defined for comparison was in the file "declaration.txt" .

If I need to...

Hi MadeInGermany,

Thanks for your help. I tried your script as well.

It is doing the job like identifying the new column names and giving it in an output file "mismatch.txt" but it is not...

Here is my input file "feed.txt" (first row is a header with column names. I have pasted dummy column values for 3 rows)
...

Hi Dave,

Columns can be added anywhere in the data. It may be one or more columns.

Regards
Praveen

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Hi Rudic,

Basically I want to identify all the new columns in the feed.txt and delete them along with its values (which means finding column position for all the values) and deleting them so that...

Hi Rudic,

Sorry for the confusion. I apologize for the same. Yes, I was trying with a different input file and what I specified above initially was an example.

But I still have a difficulty in...

Hi Rudic,

But it is not listing the newly added column. If the above script is run, it is giving the output as

Column 1: url,dealerid,dealer_name,location,zip,make

in mismatch.txt

As...

Hi Don Cragun,

I am still doing some research on this to get the clue.

Regards
Praveen

---------- Post updated at 04:46 AM ---------- Previous update was at 03:33 AM ----------

I am...

Hi All,

I want to find the difference between two files, by checking only the headers (column names) and report if any new column is added in the latest file.

For Ex: If the file...

Thank you Mr.Don Cragun.

Please help. I am stuck :(

Hi Don Cragun,

Thanks for your reply.

I am repasting the filenames20140630-144422
20140630-144422.csv
20140707-182653
20140707-182653.csv

1. 20140630-144422 is a directory named after...

Hi Rudic,

Thanks for the reply. Respective file and folder names are always with date-time> So it will be always different.

Please advice.

Regards
Praveen

Hi All,

Please help.

I have requirement to read the file / folder based on the latest date and download the file and folder.

There will be files and folders in the location like
...

Thanks a lot Mr.Don Cragun. Your solution has helped me.

Regards
Praveen

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Dear All,

How to remove. (dot) if found in the beginning of file name while doing wget (download)?

I am facing problem while re-sizing the image by using ImageMagick. Two dots in the file name...

Dear Friends,

I need help to write a shell / perl script to download the files from FTP location, having different file names (date inside the file name).

Example:

Mar 5 09:24...

Thanks lot for help !!

Dear Friends,

I have a very little knowledge on shell scripting. I am stuck with a problem for which I need an expert advice.

I have a .txt file "image_urls.txt" which contains the data like...