Knowledge Walls
John Peter
Pune, Maharashtra, India
Things to Know [cont'd]
How to append string in a file using MS DOS Commands
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echo welcome > filename.txt
(>) Used to create new file if already exist replace existing text and creating on the given file.

echo welcome >> filename.txt
(>>) Used to append output to a file if file is not exist creating the file and append given output to the file.
Example batch file program
@echo off

echo my first line > test.txt
echo my second line >> test.txt
echo my third line >> test.txt
Output 
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