Merge Csv Files Windows 10
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May 11, 2018 My question is what if I have to combine the csv files which has the name 'file' in it which are file1.csv, file2.csv, file3.csv in this case. Windows csv cmd merge. Share improve this question. Edited May 12 '18 at 4:24. Asked May 10 '18 at 2:10. Aug 15, 2018 I'm in great need of assistance with a Powershell script to combine to csv files. I need to combine the second csv with all columns continuing with the first csv. Nothing special just combine the two csv's as is and in the exact order as the original files. However each csv is fairly large.
Here’s a useful tip if you ever need to combine multiple CSV files into one CSV file. This may be useful if you need to run reports (such as a crystal report) based on the data – where you need the data to be in a single file.
Option 1 – CSV files without a header row
The following single command line will combine all CSV files in the folder as a single file titled ‘combined.csv’
If you want to run this from a cmd file, copy the following contents into a text file and save as ‘run.cmd’.
This command will automatically run from the folder the file is saved in, that is – if you save it to C:TEMP it will look for CSV files in C:TEMP and save the new file to C:TEMP
Option 1 – CSV files without a header row. The following single command line will combine all CSV files in the folder as a single file titled ‘combined.csv’ If you want to run this from a cmd file, copy the following contents into a text file and save as ‘run.cmd’. Nov 13, 2018 To merge Microsoft Excel files together, it is best to save them as CSV files first. Open the Excel files and in the menu bar, click File, then Save As. In the Save as type drop-down list, select CSV (comma delimited) (.csv) from the list. Additional information about creating a CSV file. Mar 11, 2016 Merge CSV files using Windows CMD. This approach uses the Windows Command line Copy command. Open the folder which should contain your CSV or TXT files. Open in Windows Explorer the folder containing CSV or TXT files to be merged. These should be without headers or only the first file should be with headers. Click Select CSV-files or pull your files onto the Drag & Drop field to begin with the merging. The CSV files are now getting prepared for the combining. You can see the progress at the blue bars. Once every file is uploaded you can proceed with step 2. Combine all your CSV files that have the same header row into one file using Windows 10 Powershell. Put all the csv files to combine into the same folder. While in the folder type the word “powershell” into the address bar. Paste the following code into the powershell window that pops up and hit enter.
Option 2 – CSV files with header row
So what if your source files have a header row? The following command will take the header from the first file, then exclude it from the rest. Copy the following contents into a text file and save as ‘run.cmd’.
Having troubles?
You can download an example of this script here: www.itsupportguides.com/downloads/csvmerge.zip
Note: this process will not work for XLS (or similar) files – CSV files are text files, their data can be easily accessed using scripts where as XLS files are binary files and require an application such as Microsoft Excel to access the data.
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Merge Csv Files Windows 10 Windows 10
Can you post the first 3 or 4 rows of each file?
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Can you tell us the row count of each file?
What do you mean 'rows out of order'?
What are you looking for as desired output?
ComputerName, LastUser, UserLastLogin, Manufacturer, MemoryGB, DriveC, FreeC, DriveD, FreeD, DriveE, FreeE , etc??
Where does the data from the 2 csv files originate? Other scripts?
You should just be able to Import-CSV the second file and pipe it to Export-CSV using -Append, if the two have the same columns.
So you aren't looking to append csv2 to csv1. csv2 doesn't contain the computername? Could it? I'm not sure how you are building the drive.csv file.
I realize I probably don't have the whole story here – but there are some questionable things in the script you were given — here are some suggestions / comments:
This should get you to the point where your drives file includes the computer name. Once you have that, combining them the way you want becomes more reliable, rather than leaning too hard on the rows matching up from 2 separate files. Lots of room for error there.
So I posted a reply to the script that was given to you — there are some things that look a little bit off there. Most importantly, this:
The script selects all of the drive* and free* properties, but not the computer property. Then, the script sorts on computer – however, it doesn't exist in the list of exported properties. I think if you add select-object computer, driveB,FreeB... your output file will get you computername.
Once you have that – getting to the combined file you are looking for will be much easier.
Some comments / suggestions on the code you were given:
There are a couple things you need to combine objects.
- Most important. Both objects need to have a unique value that you can join on. The computername or serial number for instance
- The same properties for each row
Look at this example:
If you run this code, just look at $obj2:
Notice that drive D is missing even though you can see we created D properties for Computer2. In order to see those properties, they need to exist in BOTH objects. You can do this using Select-Object to create properties for all objects. This gives you result like this:
There are many ways to do things. You could also have a Drives property with all of the drives a system. You could also use a Join-Object function (there are several iterations) to Join on the computername. The key is you need to have a property in both objects to do the join.
James,
Would it be possible to post examples of the 2 input files – with 3 or 4 dummy data entries as well as a desired output file with that data?
I think I am not fully understanding your requirements with the 'function flip' etc
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