#version 1.2.6

"""
instructions supportees :
cd,cat,mv,mkdir,rm,rmdir,touch,pwd,ls,python,clear,su
"""
"""
import time as t
tD=t.monotonic()
"""
print("Initialising file system...")
from FS import *
"""import gc
print("Memory free :",gc.mem_free())
print("Optimising memory...")
gc.collect()
print("Memory free :",gc.mem_free())
print("Ready ! ("+str(round(t.monotonic()-tD,1)),"seconds setup)")
del gc,t,tD
"""
#definitions de variables du terminal
user="user"


#definitions de commandes du terminal

def python(name=""):
  import sys
  l=sys.implementation
  l2=[]
  for i in l[1]:
    l2.append(str(i))
  print(l[0],"version",".".join(l2))
  print("Type exit() to quit.")
  return "python"


def clear():
  import sys
  for i in range(5):
    print("\n")
  for i in range(10):
    sys.stdout.write("\b"*32)



def exit():
  def terminal(line):
    
    line=line.split()
    
    if line!=[]:
      instruction=line[0]+"("
      cmd=line[0]
      del line[0]
      
      if line!=[]:
        instruction+="'"+"','".join(line)+"')"
      else:
        instruction+=")"
    
    try:
      return eval(instruction)
    except NameError:
      print("bash:",cmd,"\b: command not found")
    #except:
    print("bash: error")
  
  while True:
    wd=str("/"+"/".join(fswd))
    wd=wd[0:5].replace("/root","~")+wd[6:len(wd)]
    line=input(str(user)+"-"+wd+chr(36)+" ")
    retour=terminal(line)
    if retour=="python":
      break

print("\nWelcome on Linux terminal \nemulator :\n")
exit()