Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? For example, Mon 12/28/2015 TIME. and set /a evlauates this value and assigns 10 to gold. symbol from the below batch script in the :DynamicVBSScriptBuild routine, so where you see this,-%MinusDay%, you simple remove the minus symbol to get ,%MinusDay%, on each of those lines and now the MinusDay= variable value will equal the number of days you want to add. #1 Hi, I'm trying to get into batch files, and I'm not sure how to simply subtract two numbers. Where does this (supposedly) Gibson quote come from? batch conversion using any audio converter? It converts the date to a Julian date to do the math, then converts it back to a normal date. To learn more, see our tips on writing great answers. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. I would like to have this run and show the previous month. Here's a batch file I developed to subtract any number of days from the current date. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The bottom part of the scriptthat's just creating a vbs file in a temporary folder? rev2023.3.3.43278. The given code inside :main should do what you are asking for. <#rem Setting the Start Date & Time that the batch was launched, zip -j %exepath%\..\HostTran\Export\Dunnhumby\TRD_Cost_$strdate.PSV.zip %exepath%\..\HostTran\Export\Dunnhumby\TRD_Cost*.PSV >> %log%, move-item %exepath%\..\HostTran\Export\Dunnhumby\TRD_Cost_$strdate.PSV.zip %exepath%\..\HostTran\Export\Dunnhumby\backup\ >> %log% -WhatIf, remove-item %exepath%\..\HostTran\Export\Dunnhumby\TRD_Cost*.PSV >> %log% -WhatIf, ren "..\HostTran\Export\Dunnhumby\TRD_Cost.psv" "TRD_Cost_2017.08.02_2017.08.08.psv". here's a piece of code that will get the previous month: Better use wmic to get the date parts because it's independent from the machine's date format unlike the %date% variable. Any task can be run on a computer, from creating, moving, renaming folders and files to starting programs and features. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It would require a way to "linearly" convert any date to a number and back again. Select the blank cell you will place the calculating result, type the formula =DATE (YEAR (A2)+6,MONTH (A2),DAY (A2)), and press the Enter key. Find centralized, trusted content and collaborate around the technologies you use most. In places where I need the current date/time in a batch file, I use an external program just to get the date regardless of local settings OK, so this works, however the problem I am finding is that the single digit months are not being padded. Connect and share knowledge within a single location that is structured and easy to search. so for it i need the 60 days old date form current date in variable. Today's Julian date is 2460009. ECHO Usage: DATEADD [ date ] days ECHO. Short story taking place on a toroidal planet or moon involving flying. Does not work. This is what I learned from Ron Bakowski. Code: Select all @ECHO Off set ff=%date:~10% set aa=%date:~3,5% if %date:~3,5%==01 set /a ff=%date:~6%-1 set /a "bb=1%aa%-101" if %bb%==1 set bb=01 if %bb%==2 set bb=02 Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Perform a regular expression rename on multiple files. Modified the function according to my requirement. Find answers to Subtract time in dos batch file from the expert community at Experts Exchange. Yea Jon I agree. I need to write a script to change a filename from aDate.txt to bDate.txt where: but I have no idea how to do the date -1 thing (other than the long winded) subtract 1 from the day and if that is = 0 then subtract one from the month and set the day = to the last day of the new month and so on for years. Why does Mister Mxyzptlk need to have a weakness in the comics? Category: Utilities / System Surveillance Publisher: Sobolsoft, License: Shareware, Price: USD $19.99, File Size: 347.0 KB Platform: Windows . What video game is Charlie playing in Poker Face S01E07? How do I align things in the following tabular environment? Or you can also think of the first number as the numer of characters to be skipped, i.e., %variable:~num_chars_to_skip,numberofchars%. I am trying to find out the number of days between the current date and user defined date. how do i do Hi i am trying to subtract days from current date. With Julian dates, that is a piece of cake: subtract the first date from the last one, and you have the number of days. This is the fastest of the two options. Setting a variable in batch using powershell, How to return only the Date from a SQL Server DateTime datatype, Detecting an "invalid date" Date instance in JavaScript. I was able to test and determine that these lines from the original script posted: Can be replaced with just this one single line and it works just as well: Please explain what those lines (the ones I changed to just the one line with and statements) do anyways because I cannot tell the difference quickly testing. like so: dYesterday = DateAdd ("d", Now (), - 1) WScript.Echo Right ("0" & Month (dYesterday), 2) & Right ("0" & Day (dYesterday), 2) & Year (dYesterday)- 2000 Marked as answer by IamMred Friday, May 25, 2012 8:57 PM I thought perhaps it helped handle the calculations where the modified year would be less than 2000 -- but I didn't see that unless I'm missing something. What if the localSettings on the target machine are different to my settings does it handle that? So far I have did the . Free Downloads: Batch File Subtract Date. Here is another, better way working also in a command block: set var=10 set /A var+=10 echo %var% The command prompt environment supports with signed 32-bit integer values: addition + and += subtraction - and -= multiplication * and *= division / and /= modulus division % and %= bitwise AND & bitwise OR | bitwise NOT ~ bitwise XOR ^ A unit is one of the following: Year. If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? The first was fixed by user328430s answer, where you used a/ instead of /a, and also -= is easier. If you preorder a special airline meal (e.g. I can then append %DATE:~4,2% to get "08" for the month followed by %DATE:~7,2% to extract the day, i.e., "06" if the date is August 6, 2015 represented in the %DATE% variable as "Thu 08/06/2015". Can be done also with a jscript code embedded into cmd script: Here's the dayM.bat that accepts only one argument - the days you want to add to the current date and prints the result: You can modify it in way that will be suitable for you. DATE. Batch file to delete files older than N days. Last Activity: 7 September 2010, 12:49 AM EDT, Last Activity: 21 February 2011, 11:11 PM EST. How to match a specific column position till the end of line? 2 Answers Sorted by: 12 On a Microsoft Windows system, you can obtain the current date using the date /t command (the /t option prevents the command from prompting for a change to the the date) or by using echo %date% to display the contents of the date environment variable. Can archive.org's Wayback Machine ignore some query terms? List Remove, Compare & Duplicate Manager Software . But its not working properly. How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? @Ron: I don't see why that means you have to fix the problem using a batch file instead of (say) a tiny .NET console app. I need to get 2016-02-29 23:05. Let's try and find the date of 2 weeks ago (assuming US date format MM/DD/YYYY): Append the two subroutines to the code, and run it: Check it, I couldn't catch it making any mistakes so far. I'll try to subtract 60 days of the date of today but I don't know how I can do that. My_Date=`date` By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Under Category, click Date, select the date format you want, and then click OK. and still use the setlocal in that script for the current date -- just make a variable something like moddate=%1, etc. 3 Answers Sorted by: 4 Your had two problems in your code. About an argument in Famine, Affluence and Morality, Linear Algebra - Linear transformation question. Split long commands in multiple lines through Windows batch file. Is it possible to rotate a window 90 degrees if it has the same length and width? You will simply put this at the end of the script you call to modify/subtract days from the current date (ModDate.cmd). ok so i got it to run but it made the file name TRD_Cost_%today-6%_%today instead of the actual date. Connect and share knowledge within a single location that is structured and easy to search. Batch files are excellent tools for automating time-consuming system tasks. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Asking for help, clarification, or responding to other answers. Good news: someone has already written the conversion subroutines in NT batch! How to run multiple .BAT files within a .BAT file. Is there any inbuilt function to do it Hi , This option only does subtraction. Just copy to the end of your file (after a goto:eof) and call them using specified arguments. Here's a general purpose batch file that is robust - it can be reduced to 8 lines or so if you want to include it in another batch file. : DateAdd.bat: Add/subtract a specified number of days to/from a specified date: Use REGEDIT. Not the answer you're looking for? Can Martian Regolith be Easily Melted with Microwaves. Also keep in mind that on any computer, the errors will more or less even out, so date differences will be calculated correctly. Amazon Takes Dash Buttons Online: Here's the First Batch, App that closes error message, launches exe/batch, MP3 files: recommended bitrate, and how to batch-convert, batch file to run local from remote location. In the batch file I have the application's location and my log in information. To learn more, see our tips on writing great answers. Why are physically impossible and logically impossible concepts considered separate in terms of probability? 3 posts Page 1 of 1. Here is the command-line syntax to change the file timestamp using NirCmd: nircmd.exe setfiletime [filename or wildcard] [Created Date] {Modified Date} {Accessed Date} The first parameter can be a single filename or wildcard string.