finding duplicate files by size and finding pattern matching and its count

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# 1  
finding duplicate files by size and finding pattern matching and its count


I have a challenging task,in which i have to find the duplicate files by its name and size,then i need to take anyone of the file.Then i need to open the file and find for more than one pattern and count of that pattern.

Note:These are the samples of two files,but i can have more duplicate and original pairs.

File_1 and File_2




-rwxrwxrwx 1 tstibill tstibill 374 Dec 1 13:03 File1
-rwxrwxrwx 1 tstibill tstibill 374 Dec 1 13:02 File2

374 bytes

Check 2:
take anyone file suppose File_1 and find the pattern and count for


I hope,I didnt confuse anyone
# 2  
For finding duplicates not only by size by file naming convention too

Hi All,
sorry for rephrasing.
while finding duplicates I will use file naming convention(substring of files 1,4) and file size too.
# 3  
This will help:
man find (-name -size)
man grep (-c)
man diff
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