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need help with grep....

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Name: chrisgr
Date: April 6, 2006 at 15:08:24 Pacific
OS: unix
CPU/Ram: 1.5 Pentium4 256Mb
Product: Intel
Comment:

I have a .txt file which contains several lines of text. I need to write a script program using grep or any other unix tool so as to detect part of the text(words) between / / that begin with the symbol ~.For example if somewhere in the text appears a webpage address like
http://www.cs.may.ie/~dtray/cs211/lecture1.htm, my program must print only the word dtray(the symbol ~ must be ommited)

I would really appreciate any help...



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Response Number 1
Name: Chinmaya
Date: April 17, 2006 at 23:41:17 Pacific
Reply:

Hi

You can use the grep and cut commands as given below:

grep '/~*/' <.txt file name> | cut -d '~' -f 2 | cut -d '/' -f 1

Note : This command works , if your text file contains the line of format : http://www.cs.may.ie/~dtray/cs211/lecture1.htm

Thanks and Regards,
Chinmaya

Thanks and Regards
Chinmaya


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