Searching File Names


 
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# 1  
Old 07-10-2011
Searching File Names

I am interested in writing a really simple alias to search for duplicates in file names in a given directory.

As an example, the file names follow a convention like:
Code:
TGIFRIDAY_55566_RESTAURANT
TGIFRIDAY_98744_RESTAURANT
TGIFRIDAY_67778_RESTAURANT
TGIFRIDAY_55566_RESTAURANT

These are all files in some directory, and I am looking to have the alias show the two 55566 duplicates.

If possible, I would prefer that it not write to a flat file or anything, just a basic search if possible. Thanks in advance for your help!

Last edited by Scott; 07-10-2011 at 05:43 PM.. Reason: Code tags
# 2  
Old 07-10-2011
Are those filenames stored in some file?
# 3  
Old 07-10-2011
No, that's what I was talking about with the flat file thing, if I can avoid creating a file of the filenames that would be preferred, so I don't have to create a file just to delete it in 10 seconds.

If that's the only way to do it though, maybe I have to go that route.
# 4  
Old 07-10-2011
But the thing is, there can't be files with duplicate filenames in single directory, so I'm not sure how you want to get list of those files?
# 5  
Old 07-10-2011
Yeah you are correct on that, let me rephrase the example file names (the confusion was my misswording what I meant)
Code:
TGIFRIDAYS_55566_RESTAURANT
WENDYS_99874_RESTAYRANT
CAFE_87465_RESTAYRANT
QDOBA_55566_RESTAYRANT

And I would like the Alias to find/separate out
Code:
TGIFRIDAYS_55566_RESTAURANT
QDOBA_55566_RESTAYRANT

So basically, finding file names that have a commonality. NOTE: In what I am specifically searching through, the numbers that would have commonality are all the same number of characters into the file name (ie, don't have to worry that TGIFRIDAYS and QDOBA are different character lengths)

Last edited by Scott; 07-10-2011 at 05:44 PM.. Reason: Code tags
# 6  
Old 07-10-2011
Try:
Code:
ls | perl -F"_" -ane 'push @{$h{$F[1]}},$_;END{for $i (keys %h){print @{$h{$i}} if $#{$h{$i}}>0}}'

# 7  
Old 07-10-2011
That is exactly what I was looking for, thank you so much

---------- Post updated at 02:28 PM ---------- Previous update was at 02:15 PM ----------

So as a follow up, how can I adjust the code to search for duplicates in different columns separated by an underscore.

An example of what I mean:
Code:
TGIFRIDAYS_55566_FHRTS_RESTAURANT
WENDYS_94561_AAABB_RESTAURANT
CAFE_55566_PGOWH_RESTAURANT
QDOBA_45125_AAABB_RESTAURANT

So finding duplicates in the second column yields:
Code:
TGIFRIDAYS_55566_FHRTS_RESTAURANT
CAFE_55566_PGOWH_RESTAURANT

Finding duplicates in the third column yields:
Code:
WENDYS_94561_AAABB_RESTAURANT
QDOBA_45125_AAABB_RESTAURANT

From the original line, I think this logic is in the "_" section right after perl -F, but I wasn't able to get it to work like I originally thought it was.

Thanks again!

Last edited by Scott; 07-10-2011 at 05:44 PM.. Reason: Code tags, please...
 
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