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Xls Wait a minute—what’s recycler doing there in the list of added files? tmp temp temp/inst-39 But only three of them seem to be. Can you figure out the bug from the information you have now? ) Since I couldn’t see the bug, I did something quick ’n’ dirty to learn more: I put a puts at ➊ in the following. Each time boring? is invoked, the puts will tell me what string it’s working with. 53 F IXING A B UG Note that + concatenates two strings to produce a new string. I use inspect for debugging because it gives a more exact representation of objects.
It seems we want to reject a file if its name contains “temp,” possibly after a slash but after no other character and possibly followed by a slash but by no other character. ” Yuck. That could be expressed in Ruby, but it seems way too complicated. What I’ve found as I’ve aged is that if my solution looks too 4. You may have noticed that Ruby’s folder separator character is the forward slash (/). If you’re working on Unix or Mac OS X, that’s unsurprising—it’s what the operating system uses too.
This script has some definite weaknesses. txt. But it’s a good start. Let’s take stock. rb in the inventory folder. rb 4. 37 W HERE D O W E S TAND ? 8 Where Do We Stand? We have a useful script. If you don’t already compare inventories, or if you’ve always done it manually, there’s something new in your bag of tricks. You’ve learned a little bit about the simplicity underlying Ruby: everything is done by sending messages to objects. More important, you’ve seen the first of a variety of useful data types, the array.