Replace spaces with commas from one file and send the output to another file.
tr -s '[:blank:]' ', ' < input.txt > output.txt |
It’s perfect for creating a comma delimited file for importing to Excel.
replace
Vi Search and Replace
How to do search and replace in Vim.
Search for “foo” and replace it with “bar” in the current line. Use :s
:s/foo/bar/g |
Search for “foo” and replace it with “bar” in the entire document. Use :%s
:%s/foo/bar/g |
You can also pipe instead of forward slash. Useful if your search contains a /.
:%s|foo/|bar|g |
Modify a line using sed
Here’s how to modify a line in a file using sed.
sed -i 's/replace me.*/with this text/' /path/to/a/file.txt |