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replace only 1st word of a line if it comes in the subsequent lines at same postion.

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# 1  
Old 09-25-2007
replace only 1st word of a line if it comes in the subsequent lines at same postion.
I have a file like this..

Maharastra Mumbai worli
Maharastra Mumbai navy
maharatra Pune
Maharastra Nagpur
Karnataka Bangalore
Karnataka Mysore
Karnataka Mangalore
Punjab Amritsar
punjab Jalandar


my expected outcome should be like this

Maharastra Mumbai worli
---------- Mumbai Navy
---------- pune
---------- Nagpur
Karnataka Bangalore
--------- mysore
--------- Mangalore
Punjab Amritsar
--------- Jalandar

i am not able to find any similar posts,please reply

thanks in advance,
regards,
Geeko
# 2  
Old 09-25-2007
i am also struggling with the same one, can some one have look into it. so that it'll be useful ( need solution for bash shell)

thanks,
# 3  
Old 09-25-2007
Two users with the same requirement! Is it homework ?
# 4  
Old 09-25-2007
Quote:
Originally Posted by vino
Two users with the same requirement! Is it homework ?
most likely
# 5  
Old 09-25-2007
Refer to this one!!!!
Hi,
Hope this one can help you.

iuput(a):
Code:
Maharastra Mumbai worli
Maharastra Mumbai navy
maharatra Pune
Maharastra Nagpur
Karnataka Bangalore
Karnataka Mysore
Karnataka Mangalore
Punjab Amritsar
punjab Jalandar

output:
Code:
Maharastra Mumbai worli
-------- Mumbai navy
maharatra Pune
Maharastra Nagpur
Karnataka Bangalore
-------- Mysore
-------- Mangalore
Punjab Amritsar
-------- Jalandar

code:
Code:
cat a | nawk '
{
        if (cur=="")
        {
                cur=toupper($1)
                print $0
        }
        else
        {
                if (toupper($1)==cur)
                print "--------"substr($0,index($0," "),length($0)-length($1))
                else
                {
                        print $0
                        cur=toupper($1)
                }
        }
}'

# 6  
Old 09-25-2007
thanks a lot for your code summer cherry, the command nawk didn't work, but with awk command, i met my requirement.
# 7  
Old 07-03-2008
How can I replace a string from a multiple lines. I have two words in my text file and want to replace some text from a particular position in second word.

example :

I have a line :
grep 445170141207

and I want :
grep 44495 *list*
that is from 6th position I want to insert a string *list* in my second word.

Can any one help me in this regard.

Thanks in Advance
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