Add code

bin/__init__.py

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+import os
+
+imports = [ i[:-3] for i in os.listdir('/bin/') if i.endswith('.py') and not '__' in i ]
+for module in imports:
+    exec(f'import bin.{module} as {module}')

bin/background.py

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+import circuitos
+
+class App(circuitos.App):
+    def F_main(self):
+        self.os.launch(*self.argv[1:])
+        self.exit()

bin/init.py

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+import circuitos
+import shlex
+
+class App(circuitos.App):
+    def F_main(self):
+        with open('/etc/init/start') as f:
+            lines = f.readlines()
+        for line in lines:
+            if line.strip():
+                last_pid = self.os.launch(*shlex.split(line))
+
+        self.transfer_console(last_pid)
+        self.next_function = 'loop'
+
+    def F_loop(self):
+        pass

bin/kill.py

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+import circuitos
+
+class App(circuitos.App):
+    def F_main(self):
+        self.os.kill(int(self.argv[1]))
+        self.exit()

bin/ps.py

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+import circuitos
+
+class App(circuitos.App):
+    def F_main(self):
+        apps = self.os.apps
+        for pid, app in apps.items():
+            args = app.argv[1:]
+            name = app.name
+            print(f'{pid}	{name} {args}')
+        self.exit()

bin/sh.py

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+import circuitos
+import shlex
+import console
+
+class App(circuitos.App):
+    def F_main(self):
+        self.jump('prompt')
+
+    def F_prompt(self):
+        self.console.write(b'CicuitOS sh # ')
+        self.store['buf'] = []
+        self.jump('input')
+
+    def F_input(self):
+        raw_line = console.read(self.console, self.store['buf'])
+        if raw_line is not None:
+            line = shlex.split(raw_line.decode('ascii'))
+            if line:
+                try:
+                    if line[0] == 'bg':
+                        self.os.launch(*line[1:])
+                    elif line[0] == 'exit':
+                        self.exit()
+                    else:
+                        pid = self.os.launch(*line)
+                        self.wait(pid)
+                        self.transfer_console(pid)
+                except circuitos.AppNotFound as e:
+                    print('error: app not found')
+            self.jump('prompt')
+
+    def F_loop(self):
+        pass

code.py

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+import circuitos
+circuitos.run()

etc/init/start

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+sh