string processing

Shell Programming and Scripting
1

hi,

I have a string "satabeltodounixscriptingpleasecheckfortheerros"

in the above line if it contains "unix" , i need to take 5 characters after that word.

please help

thanks in advance
Satya

2 
 $ echo "satabeltodounixscriptingpleasecheckfortheerros" |sed 's/.*unix//g'|awk '{print substr($0,1,6)}'

script

Thanks
Sha

3

no need for that extra awk process

echo "satabeltodounixscriptingpleasecheckfortheerros" |sed 's/.*unix\(.....\).*/\1/'