renaming extention of a file

[joe]

I have 1000's of files without extensions. but these files are named as below

xxxxxxxxxxxxxxxx12345-xxxxxxxxxxxxxxxxxxxxx
or
xxxxxxxxxxxxxxxxxxxxx-xxxxxxxxxxxxxxxxx12345

my request is

search for files containing 12345 in their names and rename them with unique
names of xxxxxxxxxx.txt (10 Char name) with .txt extension.
source and destination folder's are the same E:\test

is this possible

if so please help
thanx in advance

joe

[aGerman]

files without extensions ... search for files containing 12345 in their names

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for /f "delims=" %%i in ('dir /a-d /b "E:\test\*12345*"') do if "%%~xi"=="" echo %%i

So far not a big deal. But ...

...rename them with unique
names of xxxxxxxxxx.txt (10 Char name) with .txt extension

... isn't clear to me. Not even a numeric name would be easy to calculate because the the biggest number in batch is 2147483647 which is already 10 digits.

Steffen

[Compo]

I'll start you off, this will find files with your required patterns:

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@Echo Off
If /I Not "%CD%"=="E:\test" (PushD "E:\test" 2>Nul||Exit/B)
For /F "Delims=" %%A In ('Where .:"????????????????12345-?????????????????????"^
 "????????????????12345-?????????????????????"') Do If "%%~xA"=="" Echo [%%A]
Timeout -1

All you need to do now is determine how you intend to create unique ten character file names and change

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Echo [%%A]

to

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Ren "%%A" "UniqueName.txt"

Depending upon how the files are generated you could possibly use a combination of date and time to generate the unique names.

[joe]

ok steffen any name as u suggested.. but should not repeat over writing files

[aGerman]

I'm afraid I wasn't clear enough. A 10 digits number is already limited in batch. So if you would say 9 digits are sufficient it would be much easier. Also consider Compo's suggestion. The file time could be unique enough (and could be composed to a 10 digits file name) if you could make sure there don't exist 2 or more files with "modified" time stamp within the same minute. This way you also don't need to iterate over all files to find the latest number.

Steffen