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Input TEST vectors ‘to_try_vectors.dat’
0.955511 1.212213
-
RESULTS output file input_python_file_c.dat
0.955511
1.212213
-
0.978842
import sys
import os
import string
import commands
### Author:-
### Description :-
and file operations ###
class file_op:
def file_read(self, file):
self.file_to_read = file
self.filn = 0
# UNIX command line operations
commands.getoutput('rm -
# Read all lines in a text file and execute the following for loop for each line
for self.filn in self.file_to_read.readlines():
self.rfile = self.filn.rstrip('\n\r\t')
# Calculate length of each line
self.ln = len(self.rfile)
# print self.rfile
self.filter_text()
# self.string_to_signed()
# Strip off white space on end
self.rfile = string.strip(self.rfile)
return
# Function for data manuplation
# File write operations
def filter_text (self):
self.ci = 0
self.idata = 0
self.qdata = 0
self.test = 0
self.temp_write = open('input_python_file_c.dat' , 'a')
for self.ci in range(0, 1, 1):
self.idata = self.rfile[self.ci:self.ci+8]
self.qdata = self.rfile[self.ci+9:self.ci+18]
# print self.idata
# print self.qdata
self.idata = string.strip(self.idata)
self.qdata = string.strip(self.qdata)
# Write file
self.temp_write.write("%s \n" % self.idata)
self.temp_write.write("%s \n" % self.qdata)
# Close file
self.temp_write.close()
return
# Command line operations for reading file from command line
if len(sys.argv) == 1:
r1 = file_op()
r1.file_read(sys.stdin)
else:
r1 = file_op()
r1.file_read(open(sys.argv[1], 'r'))
Advanced Python code for running UNIX commands and File Operations
¨ Running UNIX shell commands from within the python code.
¨ Open and read file from command file
¨ Read all lines in text file and execute a set of functions for each line.
¨ Open and write file from the command line.
Python Program rw_test1.py
Following code can be re-