Here's the script:unpack script
And the whole code:
#!/usr/bin/env python
#
# simple python script for extracting mostly used types of archives
# this script extracts .tar, .tar.gz, .tar.bz2, .gz and .zip archives
#
import sys # required for fetching command line arguments
import os # required for calling commands for archive extracting
def unpack(s): # this is definition of depack
if (s.find('.tar.gz') != -1): # function. It takes string
os.system("tar -xvvzf " + filename) # filename as argument.
elif (s.find('.tar.bz2') != -1): # functon than calls
os.system("tar -xvvjf " + filename) # appropriate command according
elif (s.find('.tar') != -1): # to file extension
os.system("tar -xvvf " + filename)
elif (s.find('.gz') != -1):
os.system("gunzip" + filename)
elif (s.find('.zip') != -1):
os.system("unzip " + filename)
else: print "Wrong archive or filename" # other types not supported
try: # this is main program
filename = sys.argv[1] # first argument right after
unpack(filename) # 'unpack' command goes in the
except IndexError: # filename string
print "Filename is invalid!" # than the depack function is called
# try-except block is used for handling IndexError exception if no argument is passed
Usage:
./unpack [archive filename]
