searching the required string and appending string to it.

Shell Programming and Scripting
1

Hi all,

I have some data in the form of

adc|nvhs|nahssn|njadnk|nkfds

in the above data i need to write a script so thet it will append "|||" to the third occurnace in the string ..... the outout should look like

adc|nvhs|nahssn||||njadnk|nkfds

Thanks,
Firestar.

2 
sed 's/[^|]*|[^|]*|[^|]*|/&|||/'
3

Thank you so much for the quick reply ......

Here the solution which you gave works fine for me.... but i am sorry to cofuse you but my Data has not eaxctly 4 feilds it has ogt 74 feilds and i want to appeend the "|||" after 49th feild.......

thanks once again for the quick reply

4 
sed 's/'$(for i in $(seq 1 49); do printf "%s" '[^|]*|'; done)'/&|||/'
1 Like
5

to replace at the 49th field/occurence of pipe symbol ( | )

 sed 's/|/|||/49' inputfile
2 Likes
6

Much simpler !

7

Thanks you so much

@jlliagre

thank you so much