| local shell = require("shell") | |
| local args = shell.parse(...) | |
| if #args < 1 then | |
| io.write("Usage: unalias <name>") | |
| return | |
| end | |
| local result = shell.getAlias(args[1]) | |
| if not result then | |
| io.stderr:write("no such alias") | |
| else | |
| shell.setAlias(args[1], nil) | |
| io.write("alias removed: " .. args[1] .. " -> " .. result) | |
| end |