rename 's/123/124/' * $ ls *124* status ... She describes herself as "USL" (Unix as a second language) but remembers enough English to write books and buy groceries. She lives in the mountains ...

Every now and then I come across a file that just doesn’t display properly in a file listing. In fact, it can be a little tricky to determine the name of a file that contains odd characters.

Say you wanted to rename the files in a directory to replace all of the uppercase letters with lowercase ones. In general, you don’t find a lot of file with capital letters on Unix or Linux ...