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docs: update

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Dylan Araps 2019-10-16 10:57:29 +03:00
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@ -1018,7 +1018,7 @@ shift
# Solution (shift on its own is really 'shift 1').
# This uses 'shift 0' if there are no arguments and
# 'shift 1' if there are.
shift "$(($# > 0 ? 1 : 0))"
shift "$(($# ? 1 : 0))"
```
## `read` with no given variable crashes `dash`.