Xuer wrote:
>  print all lines of a simple file
>  
>  test.py
>  -----------------------------------------------
>  #!/usr/bin/python
>  
>  try:
>          fi = open('test.py', 'r')
>  except IOError:
>          print 'Can\'t open file for reading.'
>          sys.exit(0)
>  while (line=fi.readline()):
>          print line
>  -----------------------------------------------
>  then run it
>  
>  $./test.py
>    File "./test.py", line 8
>      while (line=fi.readline()):
>                 ^
>  SyntaxError: invalid syntax
>  
>  what's the problem?
>  
>  thanks and regards :)

In Python, = is a statement. You can still loop
through files, however. Here's how I would write the
program instead:

#!/usr/bin/python

try:
    fi = open('test.py', 'r')
    for line in fi:
        print line
except IOError:
    print "Can't open file for reading."
finally:
    fi.close()

Daniel Ehrenberg

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