Greggs has reported a slump in profits as it bemoaned “challenging” market conditions hitting consumer confidence and disposable income, amid pressure to prove the UK has not hit “peak Greggs”.
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Terminal applications have a “cursor” that they can move around, just like a text editor. You can tell that cursor “go to line 3, delete everything, then print out this new text” by using VT100 sequences. And you can use it to replace existing characters with new ones, without re-emitting a whole line.