How to replace all filenames with space with underscore using a shell script#

Sometimes, you may need to replace spaces in filenames with underscores for better compatibility. This guide provides a shell script to achieve this.

Shell Script#

Here is a simple shell script to replace spaces with underscores in filenames:

#!/bin/bash

for file in *\ *; do
    mv "$file" "${file// /_}"
done

Explanation#

for file in *\ *; do: This loop iterates over all files with spaces in their names.
mv "$file" "${file// /_}": This command renames the file by replacing spaces with underscores.

Conclusion#

By using this shell script, you can easily replace spaces with underscores in filenames. This can help improve compatibility and avoid issues with file handling.