I am trying to take a folder that has several .csv files in it and combine all of these files and the information in them, into one file using MS DOS. Any suggestions?
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| 28-11-2020 (736 ) | Categoria: Articles |
copy *.csv new.csv
No need for /b as csv isn't a binary file type.
copy /b file1 + file2 + file3 newfile
Each source file must be added to the copy command with a +, and the last filename listed will be where the concatenated data is copied to.
If this is part of a batch script (.bat file) and you have a large list of files, you can use a multi-line ^, and optional /Y flag to suppresses prompting to confirm you want to overwrite an existing destination file.
REM Concatenate several files to one
COPY /Y ^
this_is_file_1.csv + ^
this_is_file_2.csv + ^
this_is_file_3.csv + ^
this_is_file_4.csv + ^
this_is_file_5.csv + ^
this_is_file_6.csv + ^
this_is_file_7.csv + ^
this_is_file_8.csv + ^
this_is_file_9.csv ^
output_file.csv
This is tidier than performing the command on one line.
^ as an escape character – phuclv Dec 14 '19 at 10:30filenames must sort correctly to combine correctly!
file1.bin file2.bin ... file10.bin wont work properly
file01.bin file02.bin ... file10.bin will work properly
c:>for %i in (file*.bin) do type %i >> onebinary.bin
Works for ascii or binary files.
for %f in (filenamewildcard0, filenamewildcard1, ...) do echo %f >> newtargetfilename_with_path
Same idea as Mike T; might work better under MessyDog's 127 character command line limit
type data1.csv > combined.csv
type data2.csv >> combined.csv
type data3.csv >> combined.csv
type data4.csv >> combined.csv
etc.
Assume that your using files without headers and all files have the same columns.
I need to create a script, which concatenates multiple text files into one. I know it's simple to use
type *.txt > merged.txt
But the requirement is to "concatenate files from same day into file day_YYYY-DD-MM.txt" I am a Linux user and Windows batch is hell for me. It's Windows XP.
Windows type command works similarly to UNIX cat.
Example 1: Merge with file names (This will merge file1.csv & file2.csv to create concat.csv)
type file1.csv file2.csv > concat.csv
Example 2: Merge files with pattern (This will merge all files with csv extension and create concat.csv)
When using asterisk(*) to concatenate all files. Please DON'T use same extension for target file(Eg. .csv). There should be some difference in pattern else target file will also be considered in concatenation
type *.csv > concat_csv.txt
At its most basic, concatenating files from a batch file is done with 'copy'.
copy file1.txt + file2.txt + file3.txt concattedfile.txt
Place all files need to copied in a separate folder, for ease place them in c drive.
Open Command Prompt - windows>type cmd>select command prompt.
You can see the default directory pointing - Ex : C:[Folder_Name]>. Change the directory to point to the folder which you have placed files to be copied, using ' cd [Folder_Name] ' command.
After pointing to directory - type 'dir' which shows all the files present in folder, just to make sure everything at place.
Now type : 'copy *.txt [newfile_name].txt' and press enter.
Done!
All the text in individual files will be copied to [newfile_name].txt
In Win 7, on the command prompt use:
copy *.txt combined.txt
I am reiterating some of the other points already made, but including a 3rd example that helps when you have files across folders that you want to concatenate.
Example 1 (files in the same folder):
copy file1.txt+file2.txt+file3.txt file123.txt
Example 2 (files in same folder):
type *.txt > combined.txt
Example 3 (files exist across multiple folders, assumes newfileoutput.txt doesn't exist):
for /D %f in (folderName) DO type %f/filename.txt >> .newfileoutput.txt
We can use normal CAT command to merge files..
D:>Â cat *.csv > outputs.csv
Try this:
@echo off
set yyyy=%date:~6,4%
set mm=%date:~3,2%
set dd=%date:~0,2%
set /p temp= "Enter the name of text file: "
FOR /F "tokens=* delims=" %%x in (texto1.txt, texto2.txt, texto3.txt) DO echo %%x >> day_%temp%.txt
This code ask you to set the name of the file after "day_" where you can input the date. If you want to name your file like the actual date you can do this:
FOR /F "tokens=* delims=" %%x in (texto1.txt, texto2.txt, texto3.txt) DO echo %%x >> day_%yyyy%-%mm%-%dd%.txt
cat "input files" > "output files"
This works in PowerShell, which is the Windows preferred shell in current Windows versions, therefore it works. It is also the only version of the answers above to work with large files, where 'type' or 'copy' fails.
Its Windows XP. Is there also a solution for Win XP? – CodeF0x Jul 2 '18 at 16:05 |
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