windows - Batch command date and time in file name -

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i compressing files using winzip on command line. since archive on daily basis, trying add date , time these files new 1 auto generated every time.

i use following generate file name. copy paste command line , should see filename date , time component.

echo archive_%date:~-4,4%%date:~-10,2%%date:~-7,2%_%time:~0,2%%time:~3,2%%time:~6,2%.zip

output

archive_20111011_ 93609.zip

however, issue am vs pm. time stamp gives me time 9 (with leading blank space) vs. 10 naturally taking 2 spaces.

i guess issue extend first 9 days, first 9 months, etc. well.

how fix leading zeroes included instead of leading blank spaces archive_20111011_093609.zip?

another solution:

for /f "tokens=2 delims==" %%i in ('wmic os localdatetime /format:list') set datetime=%%i

it give (independent of locale settings!):

  20130802203023.304000+120 ( yyyymmddhhmmss.<milliseconds><always 000>+/-<timedifference utc>  )

from here, easy:

set datetime=%datetime:~0,8%-%datetime:~8,6% 20130802-203023

for logan's request same outputformat "date-time modified" of file:

for %%f in (test.txt) set file=%%~ff /f "tokens=2 delims==" %%i in ('wmic datafile name^="%file:\=\\%" lastmodified /format:list') set datetime=%%i echo %datetime%

it bit more complicated, because works full paths, wmic expects backslashes doubled , = has escaped (the first one. second 1 protected surrounding quotes).


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