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Re^5: STDERR Restore after redirect (updated)by AnomalousMonk (Archbishop) |
on Apr 28, 2018 at 16:57 UTC ( [id://1213731]=note: print w/replies, xml ) | Need Help?? |
From poj's reply: SEND: { ... } What is the SEND() for? What does it do? In this case, SEND is not a function call (as the () argument list operator you use would suggest), but is the label of a block that establishes a scope for the local-ization of changes to the global STDOUT and STDERR system file handles. (Update: See Compound Statements and Basic BLOCKs, both in perlsyn.) The label is not syntactically or semantically necessary for the establishment or operation of the scope in this case, but serves a purely documentary function: What's happening in the block? We're SENDing something. At the end of the block (or scope), the values of STDOUT and STDERR that existed before entering the block/scope are automatically restored. Update: If you haven't already, take a look at Coping with Scoping by Dominus, especially the discussions of local and package variables. Give a man a fish: <%-{-{-{-<
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