Adding a line (String text) to a file ,only if it is not present in the

Please tell me the java code to add a String line to a file.
The condition is the string to be added should not be present in the file
Thanks in advance

Hi ,
The one simple solution is you can read the file in a string.
The check the string you want to insert in the string so formed.
By using
int if((str.indexOf("String to be inserted"))!=-1)
//Insert in the file
else
//dont Insert in the file
Thanks & Regards
Pradeep

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MOTORTESTJIG.vi ‏729 KB

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Adding a line (String text) to a file ,only if it is not present in the

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