Updated Sc2035 (markdown)

koalaman
2015-12-05 13:43:48 -08:00
parent 2fc5d4c0b8
commit 6d9ec8dff7

@@ -1,11 +1,15 @@
# Use ./*.foo so names with dashes won't become options.
# Use ./\*glob* or -- \*glob* so names with dashes won't become options.
### Problematic code:
rm *
### Correct code:
rm ./*
rm -- * # This is sane, too, as -- is a popular end-of-options seperator
or
rm -- *
### Rationale
@@ -15,4 +19,6 @@ A file named `-f` (`touch -- -f`) will not be deleted by the problematic code. I
Using `./*` will instead cause the glob to be expanded into `./-f`, which no program will treat as an option.
Similarly, `--` by convention indicates the end of options, and nothing after it will be treated like flags.
For more information, see "[Filenames and Pathnames in Shell: How to do it Correctly](http://www.dwheeler.com/essays/filenames-in-shell.html)".