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Fix typo

Lucas Ramage
2022-05-03 20:20:30 -04:00
parent a40e3e87f2
commit 64cef08c71
1 changed files with 1 additions and 1 deletions
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SC2060.md

@@ -14,7 +14,7 @@ tr -cd '[:digit:]'
### Rationale: ### Rationale:
From the shell's point of view, unquoted `[:digit:]` is a glob equivalent to `[dgit:]` that matches any single character filename from the group, such as `d` or `t`, in the current directory. From the shell's point of view, unquoted `[:digit:]` is a glob equivalent to `[digit:]` that matches any single character filename from the group, such as `d` or `t`, in the current directory.
If someone starts learning D and creates a directory named `d` to hold the source code, the glob will be expanded and the script will end up executing `tr -cd d` instead, which is clearly unintended. If someone starts learning D and creates a directory named `d` to hold the source code, the glob will be expanded and the script will end up executing `tr -cd d` instead, which is clearly unintended.