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  #1 (permalink)  
Old 10-04-2008
madhu.it madhu.it is offline
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extract a sub string from a main string
i need a shell program to extract a substring from a main string..
for eg:- main string is madhu..
sub string is mad
o/p:- be mad.
try to solve this one
  #2 (permalink)  
Old 10-04-2008
Bijayant Kumar Bijayant Kumar is offline
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bijayant@bijayant ~ $ cat test
main string is madhu

bijayant@bijayant ~ $ grep -o mad test2 | echo "be mad"
be mad
  #3 (permalink)  
Old 10-04-2008
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vidyadhar85 vidyadhar85 is offline Forum Staff  
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Quote:
Originally Posted by Bijayant Kumar View Post
bijayant@bijayant ~ $ cat test
main string is madhu

bijayant@bijayant ~ $ grep -o mad test2 | echo "be mad"
be mad
i didn't get you
  #4 (permalink)  
Old 10-04-2008
Bijayant Kumar Bijayant Kumar is offline
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Quote:
Originally Posted by Bijayant Kumar View Post
bijayant@bijayant ~ $ cat test
main string is madhu

bijayant@bijayant ~ $ grep -o mad test2 | echo "be mad"
be mad
Oopss...sorry,sorry such a silly typo

It will be
bijayant@bijayant ~ $ grep -o mad test | echo "be mad"
be mad
  #5 (permalink)  
Old 10-04-2008
vidyadhar85's Avatar
vidyadhar85 vidyadhar85 is offline Forum Staff  
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Location: INDIA
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just echo "be mad" will display be mad..
grep -o is used to show part of matched line.. right??
  #6 (permalink)  
Old 10-04-2008
madhu.it madhu.it is offline
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Join Date: Oct 2008
Location: andhra pradesh
Posts: 10
extract substring from mainstring
i need a shell program to extract a substring from a main string..
for eg:- main string is madhu..
sub string is mad
o/p:- mad.
try to solve this one
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