You can use the substitute command to do this.If you want to replace the . for only numerals.Before replacing,you can check whether that variable has numerals or not by using regular expression in substitute command as follows.

$no=123.45;
$no=~s/^(\d+)\.(\d+)/$1,$2/;

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In reply to Re: Change decimal point temporarily by nvivek
in thread Change decimal point temporarily by lima1

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