Shell Programming and Scripting

1.757E-4
7.51E-3
5.634E-5
.
.
.

0.0001757
0.00751
0.00005634
.
.
.

# cat num.py 
#!/usr/bin/env python
from decimal import Decimal

def main():
   numbers = '''1.757E-4
                7.51E-3
                5.634E-5'''

   numbers= [num.strip() for num  in numbers.split('\n')]
   for num in numbers:
       print "scientific: %s decimal: %s" % (num,str(Decimal(num)))

if __name__=="__main__":
    main()

#./num.py                                                                                          
scientific: 1.757E-4 decimal: 0.0001757
scientific: 7.51E-3 decimal: 0.00751
scientific: 5.634E-5 decimal: 0.00005634

# cat num.dat 
1.757E-4
7.51E-3
5.634E-5

# ./num.py num.dat                                                                                    
0.0001757
0.00751
0.00005634

# cat num.py                                                                                         
#!/usr/bin/env python

import sys
from decimal import Decimal

def main():
   try:
       f = open(sys.argv[1],'rb')
   except Exception,err:
       print err
       sys.exit(5)

   for number in f:
       print str(Decimal(number.strip()))
   

   f.close()
if __name__=="__main__":
    main()

awk '{$1=$1+0}1' OFMT="%.8f" file
0.00017570
0.00751000
0.00005634

awk '{$1=$1+0}1' OFMT="%.8f" file
0.0001757
0.00751
5.634e-05

  File "./num.py", line 9
    except Exception,err:
    ^
IndentationError: unexpected indent