how to find repeating string in a variable having multiple strings in Shell Script?

Question

Im working with Ksh shell. In my script i have a variable in it which contains mutiple strings, when i echo it it following out put (using echo $serviceList) xoc.hw.megt.Manager xoc.ssion.ZConionClient xoc.svc.onLifecycle xoc.job.ZSumStateHook xoc.hw.cor.ZBulations xoc.hw.megt.Manager xoc.hw.cor.mmgt.ZMemoro xoc.cot.fdhug

now i have to find is there any string which is repeating if it is repeating then it should give me alert that string is repeated. e.g. In above example xoc.hw.megt.Manager is repeating.

Thank in advance.

m4n07 · Accepted Answer · 2011-05-20 05:51:32Z

1

This may help http://www.linuxquestions.org/questions/programming-9/shell-script-to-compare-blocks-of-strings-435211/

answered May 20, 2011 at 5:51

m4n07

2,29713 gold badges51 silver badges66 bronze badges

Sign up to request clarification or add additional context in comments.

2 Comments

balaji Over a year ago

thanks for the link. But im unable to transvers through the variable to get each string separatly.

m4n07 Over a year ago

serviceList=${serviceList// /$'\n'} for word in $serviceList; do echo "$word" done

x-silencer · Accepted Answer · 2013-02-21 09:31:34Z

0

The simplest way is perhaps to use command uniq -d, which will print only duplicate lines, if you can use it like, i.e.

$ my_script | uniq -d

And if you have to implement this within the script itself, then the previous answer gets it done.

answered Feb 21, 2013 at 9:31

x-silencer

131 bronze badge

Collectives™ on Stack Overflow

how to find repeating string in a variable having multiple strings in Shell Script?

2 Answers 2

2 Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

2 Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related