batch script for file compare

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Hi,

I have to write a batch script for comparing two files.
The filenames should be like -- HP_OTT_todaydate.txt and HP_OTT_yesterdaydate.txt

HT_OTT is fixed part in both filenames.

I want to get today's date and yesterday's date and suffix these date to the fixed part of filename.

I am using FC command and It should be like this,

C++

FC C:\HP_OTT_TodaysDate.txt   C:\HP_OTT_YesterdayDate.txt

I have coded something like this in my batch file,

C++

FC C:\HP_OTT.txt   C:\HP_OTT%date:~-10,2%%date:~-7,2%%date:~-4,4%.txt

This part

C++

C:\HP_OTT%date:~-10,2%%date:~-7,2%%date:~-4,4%.txt

is suffixing today's date to fixed filename part of first file and giving me file name as HT_OTT04052012 and that's what I am expecting.

But I am getting difficulty for suffixing yesterday's date to the second filename.

I have been stucked on this issue since 3 days; any alternative approach would be great helpful.

P.S. - I am using Windows 7 Pro 64 bit.

Posted 3-May-12 23:14pm

vikram_shinde

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vikram_shinde · Accepted Answer · 2012-05-04T01:47:00

I am able to solve problem using powershell,

C++

$yesterday = Get-Date -UFormat %d%m%Y -Date (Get-Date).adddays(-1)
$today=Get-Date -UFormat %d%m%Y

$strReference = Get-Content C:\batchtest\HP_OTT$today.txt
$strDifference = Get-Content  C:\batchtest\HP_OTT$yesterday.txt
 Compare-Object $strReference $strDifference >C:\batchtest\result.txt