Ruby: Call Shell Command
Use backticks `command_string`
to call a shell command.
# ruby # call shell commands puts `dir` # sample output on Microsoft Windows =begin Volume in drive C is Windows Volume Serial Number is 86F8-588E Directory of c:\Users\xah\.emacs.d\temp 12/26/2022 07:48 PM <DIR> . 12/26/2022 07:48 PM <DIR> .. 12/18/2022 02:55 PM 68 x20221218_1455_f80.orig.txt 12/18/2022 06:18 PM 0 x20221218_1455_f80.wl~2022-12-18_181842~ 12/22/2022 03:03 PM 1,786 x20221222_1213_221.wl~2022-12-22_150348~ 12/22/2022 03:18 PM 1,250 x20221222_1213_221.wl~2022-12-22_151844~ 12/24/2022 10:48 AM 550 x20221224_1048_df3.el~2022-12-24_104831~ 12/25/2022 10:14 AM 2,624 x20221225_1008_7c3.el~2022-12-25_101434~ 12/26/2022 07:48 PM 54 x20221226_1948_ecb.orig.txt 12/26/2022 07:49 PM 286 x20221226_1948_ecb.rb 09/25/2022 06:43 PM 406 xx.json 9 File(s) 7,024 bytes 2 Dir(s) 72,053,006,336 bytes free =end