How to Create Unique Named File From Batch Script

How to Create Unique Named File From Batch Script? You can easily create files with unique names from the batch files by windows command prompt. So, let’s see how can we implement this in a Windows batch file.

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How to create a unique file with just date –

If you created the file just once per day and it’s very helpful.
Just you need to run the dir and save the output in a file every day.

@echo off
for /F "tokens=2" %%i in ('date /t') do set mydate=%%i
set filename=%mydate:/=-%.txt
dir > %filename%

When you running the above command and a new file gets created today’s date.

c:\>dir
11/15/2015  07:35 PM             2,288 11-15-2015.txt

How to create a unique file with date and time –

If you want to run the script the multiple times in a day, you need the date would not be enough. Just adding the timestamp to the file name and finally ensures the file name is always unique.

@echo off
for /F "tokens=2" %%i in ('date /t') do set mydate=%%i
set mydate=%mydate:/=-%
set mytime=%time::=-%
set filename=%mydate%-%mytime%.txt
dir > %filename%

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When above running the batch file, you will see the new file created with date and time.

c:\>dir
11/15/2015  07:44 PM             2,487 11-15-2015-19-44-38.48.txt

Just creating the directory with a unique name using the date.

@echo off
for /F "tokens=2" %%i in ('date /t') do set mydate=%%i
set dirname=%mydate:/=-%.txt
mkdir dirname

After running the batch script and printing all directories folder shows the newly created folder with the date in the name.

c:\> dir /A:D /b
11-15-2015

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