How to search and replace a string in multiple text files (within a directory) with Windows ...



As an IT administrator, it’s important to be able to search and replace strings in multiple text files quickly and efficiently. This can be an invaluable tool when dealing with a large number of files, or when making quick changes across multiple files.

The first step is to determine which files need to be searched and/or replaced. Most modern computers have a built-in search feature, which can be used to quickly locate files that contain the desired string. Once the files are identified, the directory can be specified. In Windows, this can be done by typing the directory path into the search box.

Once the directory is specified, the next step is to use a search-and-replace command. This can be done using a command line tool such as “find” or “grep”. Both of these tools allow for the specification of the directory to be searched, as well as the strings to be searched for and replaced. For example, to search and replace a string in all text files in a directory, the command would look something like this:

find . -type f -exec sed -i 's/old_string/new_string/g' {} \\;

This command searches all files in the current directory (“.”) and replaces the “old_string” with the “new_string” in all files it finds. It is important to note that this command is case-sensitive, and that changes should be carefully tested before committing them.

Finally, it is important to remember to back up your files before making any changes. This can be done by simply copying the directory to a safe location, or by using a version control system such as Git. Backing up your files will ensure that any mistakes can be quickly and easily reversed.

In conclusion, it is possible to search and replace strings in multiple text files quickly and efficiently using the find and sed command line tools. By specifying the directory to be searched, and using the correct syntax for replacing strings, it is possible to make quick changes across multiple files. It is also important to remember to back up your files before making any changes, as this will ensure that any mistakes can be quickly and easily reversed.

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