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Here is a little piece of code you might find informative:
#!/usr/bin/perl $a = shift; $b = shift; #for intergers only if ($a =~ /^\d+$/ && $b =~ /^\d+$/) { printf "$a == $b (%s)\n", $a == $b ? "yes" : "no"; } else { printf "$a eq $b (%s)\n", $a eq $b ? "yes" : "no"; } #or for floating point numbers if ($a =~ /^\d+(\.\d?)?$/ && $b =~ /^\d+(\.\d?)$/) { printf "$a == $b (%s)\n", $a == $b ? "yes" : "no"; } else { printf "$a eq $b (%s)\n", $a eq $b ? "yes" : "no"; }
> perl diff 1 1.
1 eq 1. (no)
1 == 1. (yes)

This still needs work, as it does not see that 1e2 == 100.


-- gam3
A picture is worth a thousand words, but takes 200K.

In reply to Re: Is a integer or string. by gam3
in thread Is a integer or string. by rahulgupta70

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