I've also used the code below to replace spaces with the correct chars. 
$value =~ s/\s/\%20/g;

[download]
And it seems to work good for my purposes.

In reply to RE: Answer: When constructing a URL from script variables, how do I handle spaces properly? by steveAZ98
in thread When constructing a URL from script variables, how do I handle spaces properly? by rodry

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