On 2022-04-14 21:48:36 -0400, Jinsong Liang wrote: > I tried (run-shell-command "ls") with mit-scheme and mit-scheme complained > that > > ;Unassigned variable: run-shell-command > > Do I need to load any library first?
Yes, you need to run this first: (load-option 'synchronous-subprocess) Reference: https://www.gnu.org/software/mit-scheme/documentation/stable/mit-scheme-ref/Subprocesses.html