The Perl error from the lasteval operator, i.e. the last exception that was caught. Foreval BLOCK, this is either a runtime error message or the string or referencedie was called with. Theeval STRING form also catches syntax errors and other compile time exceptions.
If no error occurs,eval sets$@ to the empty string.
Warning messages are not collected in this variable. You can, however, set up a routine to process warnings by setting$SIG{__WARN__} as described in"%SIG".
Mnemonic: Where was the error "at"?
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