open /data.txt r
some data in a text file
stat /usermod1
stat /usermod1.py
open /usermod1.py rb
ioctl 4 0
in usermod1
stat /usermod2
stat /usermod2.py
open /usermod2.py rb
ioctl 4 0
in usermod2
stat /usermod3
stat /usermod3.py
open /usermod3.py rb
ioctl 4 0
SyntaxError in usermod3
stat /usermod4
stat /usermod4.py
stat /usermod4.mpy
open /usermod4.mpy rb
ioctl 4 0
ValueError in usermod4