So I know that there is a way to change the color of text for directories, regular files, bash scripts, etc. Is there a way to change the color to the file based on the _file extension_?
Example:
$ ls -l
foo.txt [is red]
foo.text [is blue]
foo.secret [is green]
foo.txt [is red]
Yes, using the LS_COLORS variable (assuming GNU ls). The easiest way to manipulate that is to use dircolors:
dircolors --print-database > dircolors.txt
will dump the current settings to dircolors.txt, which you can then edit; once you've added your settings,
eval $(dircolors dircolors.txt)
will update LS_COLORS and export it. You should add that to your shell startup script.
To apply the example settings you give, the entries to add to dircolors.txt would be
.txt 00;31
.text 00;34
.secret 00;32
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