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hi both,

thanks.It worked

hi, i just develop a python script and wondering how to call it in batch file so that i can automate in schedule task. say, in cmd i need to type in python.py <input.txt> <output.txt> but if i write in batch file, how shall i go with it say python.py cannot be recognize as batch file? #i have instal...

Basically i need to fill in some string on column that is NULL.. just insert NULL(string) here is the scenario input.txt field1 field2 field3 AAAA BBBB CCCC DDDD EEEE FFFF GGGG HHHH Those empty one shall put a NULL inside something like this,, output.txt field1 field2 field3 AAAA BBBB CCCC DDDD NULL...