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Updated SC2068 (markdown)

Vidar Holen
2020-07-25 17:44:48 -07:00
parent 7e185e9068
commit dbb029cf95
1 changed files with 3 additions and 3 deletions
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SC2068.md

@@ -16,11 +16,11 @@ cp "$@" ~/dir
Double quotes around `$@` (and similarly, `${array[@]}`) prevents globbing and word splitting of individual elements, while still expanding to multiple separate arguments. Double quotes around `$@` (and similarly, `${array[@]}`) prevents globbing and word splitting of individual elements, while still expanding to multiple separate arguments.
Let's say you have three arguments: `baz`, `foo bar` and `*` Let's say you have three arguments: `baz`, `foo bar`, `*` and `/*/*/*/*`
`"$@"` will expand into exactly that: `baz`, `foo bar` and `*` `"$@"` will expand into exactly that: `baz`, `foo bar`, `*` and `/*/*/*/*`
`$@` will expand into multiple other arguments: `baz`, `foo`, `bar`, `file.txt` and `otherfile.jpg` `$@` will expand into multiple other arguments: `baz`, `foo`, `bar`, `file.txt`, `otherfile.jpg`, and (eventually) a list of most files on the system
Since the latter is rarely expected or desired, ShellCheck warns about it. Since the latter is rarely expected or desired, ShellCheck warns about it.