I have written a pyhthon function, which matches all files in the current directory with a list of extension names.It is working correctly.

import os, sys, time, re, stat

def matchextname(extnames, filename):
    # Need to build the regular expression from the list
    myregstring = ""
    for index in range(len(extnames)):
        # r1 union r2 and  so on operator is pipe(|)
        # $ is to match from the end
        if index <  len(extnames) - 1:
            myregstring =  myregstring + extnames[index] + '$' + '|'
        else:
            myregstring = myregstring + extnames[index] + '$'
    # getting regexobject
    myregexobj = re.compile(myregstring)
    # Now search
    searchstat = myregexobj.search(filename)
    if searchstat:
        print 'Regex', filename

It is called like this:

if __name__ == '__main__':
    fileextensions = ['\.doc', '\.o', '\.out', '\.c', '\.h']
    try:
        currentdir = os.getcwd()
    except OSError:
        print 'Error occured while getting current directory'
        sys.exit(1)
    for myfiles in os.listdir(currentdir):
        matchextname(fileextensions, myfiles)

Could you please review the code and suggest if there is any better way of doing this or could you please share any other comments related to errors/exception handlings which are missing or anything else in terms of logic?

I have written a Python function which matches all files in the current directory with a list of extension names. It is working correctly.

import os, sys, time, re, stat

def matchextname(extnames, filename):
    # Need to build the regular expression from the list
    myregstring = ""
    for index in range(len(extnames)):
        # r1 union r2 and  so on operator is pipe(|)
        # $ is to match from the end
        if index <  len(extnames) - 1:
            myregstring =  myregstring + extnames[index] + '$' + '|'
        else:
            myregstring = myregstring + extnames[index] + '$'
    # getting regexobject
    myregexobj = re.compile(myregstring)
    # Now search
    searchstat = myregexobj.search(filename)
    if searchstat:
        print 'Regex', filename

It is called like this:

if __name__ == '__main__':
    fileextensions = ['\.doc', '\.o', '\.out', '\.c', '\.h']
    try:
        currentdir = os.getcwd()
    except OSError:
        print 'Error occured while getting current directory'
        sys.exit(1)
    for myfiles in os.listdir(currentdir):
        matchextname(fileextensions, myfiles)

Could you please review the code and suggest if there is any better way of doing this, or share any other comments related to errors/exception handling which are missing - or anything else in terms of logic?

I have written a pyhthon function, which matches all files in the current directory with a list of extension names.It is working correctly.

import os, sys, time, re, stat

def matchextname( extnames, filename):
#Need to build the regular expression from the list
myregstring = ""
for index in range(len(extnames)):
    #r1 union r2 and  so on operator is pipe(|)
    #$ is to match from the end
    if index <  len(extnames) - 1:
        myregstring =  myregstring + extnames[index] + '$' + '|'
    else:
        myregstring = myregstring + extnames[index] + '$'
#getting regexobject
myregexobj = re.compile(myregstring)
#Now search
searchstat = myregexobj.search(filename)
if searchstat:
    print 'Regex', filename

It is called like this,

if __name__ == '__main__':
 
fileextensions = ['\.doc', '\.o', '\.out', '\.c', '\.h']
try:
    currentdir = os.getcwd()
except OSError:
    print 'Error occured while getting current directory'
    sys.exit(1)
for myfiles in os.listdir(currentdir):
    matchextname(fileextensions, myfiles)

Could you please review the code and suggest if there is any better way of doing this or could you please share any other comments related to errors/exception handlings which are missing or anything else in terms of logic.

I have written a pyhthon function, which matches all files in the current directory with a list of extension names.It is working correctly.

import os, sys, time, re, stat

def matchextname(extnames, filename):
    # Need to build the regular expression from the list
    myregstring = ""
    for index in range(len(extnames)):
        # r1 union r2 and  so on operator is pipe(|)
        # $ is to match from the end
        if index <  len(extnames) - 1:
            myregstring =  myregstring + extnames[index] + '$' + '|'
        else:
            myregstring = myregstring + extnames[index] + '$'
    # getting regexobject
    myregexobj = re.compile(myregstring)
    # Now search
    searchstat = myregexobj.search(filename)
    if searchstat:
        print 'Regex', filename

It is called like this:

if __name__ == '__main__':
    fileextensions = ['\.doc', '\.o', '\.out', '\.c', '\.h']
    try:
        currentdir = os.getcwd()
    except OSError:
        print 'Error occured while getting current directory'
        sys.exit(1)
    for myfiles in os.listdir(currentdir):
        matchextname(fileextensions, myfiles)

Could you please review the code and suggest if there is any better way of doing this or could you please share any other comments related to errors/exception handlings which are missing or anything else in terms of logic?