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Regarding Windows/Dos scripting in WIN2K

Posted on 2003-12-04
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Last Modified: 2010-04-13
Hello,

I have some files in this format

testss_db_200312041101.BAK
ts_db_200312030901.bak
abcsscscscs_db_200312030707.BAK


Is there a way i can write a script to go through all the files in a particular directory
and get that datetime part (200312041101)

Thanks in Advance.
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Question by:schinni
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2 Comments
 
LVL 85

Accepted Solution

by:
oBdA earned 300 total points
ID: 9881164
This extracts your timestamps in the current directory. For your convenience (if you should need it), it extracts the date and time as well.

====8<----[GetTimeStamp.cmd]----
@echo off
setlocal
for /f "tokens=*" %%a in ('dir *.bak /b /a:-d') do call :process "%%a"
goto leave

:process
set FileName=%~1
set FileNameNoExt=%~n1
set TimeStamp=%FileNameNoExt:~-12%
set FileYY=%TimeStamp:~0,4%
set FileMM=%TimeStamp:~4,2%
set FileDD=%TimeStamp:~6,2%
set FileHour=%TimeStamp:~8,2%
set FileMin=%TimeStamp:~10,2%
echo [%FileName%]
echo   +--Timestamp: %TimeStamp%
echo   +--File date: %FileMM%/%FileDD%/%FileYY%
echo   +--File time: %FileHour%:%FileMin%
goto :eof

:leave
====8<----[GetTimeStamp.cmd]----
0
 

Author Comment

by:schinni
ID: 10257993
Hi obda,


Can you help me with this
Hello,
I  have to  delete files older than 3days
My files end with this extension 2000402021211..etc
so i am getting the extension and comparing with
currentdate -3


basically i want to do %FileDD%/ -3

rem @echo off
setlocal


for /f "tokens=1,2" %%u in ('date /t') do set d=%%v
for /f "tokens=5-8 delims=:., " %%a in ('echo:^|time') do (
set hh=%%a
set mn=%%b
set ss=%%c
set cs=%%d
)

set curtim=%d:~6,4%%d:~0,2%%d:~3,2%%hh%%mn%
:: Current Date -3

I am doing this because of octal 8 and 9

if %d:~3,2% LSS 10 set /a dat = %d:~4,1%-3
if %d:~3,2% GTR 7 set /a dat = %d:~4,1%-3
if %d:~3,2% GTR 09 set /a dat = %d:~3,2%-3
if %d:~3,2% LSS 8 set /a dat = %d:~3,2%-3



if %dat% LSS 10 set dat=0%dat%
if %hh% LSS 10 set hh=0%hh%

set timestr=%d:~6,4%%d:~0,2%%dat%%hh%%mn%

I  am doing this to getting the currentdate and subtracting date varaible with -3
it works great but when it's from day 1 to 3 of the month i am getting negative variables
and also one more thing is
cuurent date is 200402021111 i am subtracting 02 -3 which i am getting -1
and the whole doesn't work correctly ..

can anybody help me with the workaround

Thanks in Advance!

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