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Diffstat (limited to 'Documentation/CodingGuidelines')
| -rw-r--r-- | Documentation/CodingGuidelines | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index 483008699f..cfe3785909 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines @@ -35,6 +35,13 @@ For shell scripts specifically (not exhaustive): - Case arms are indented at the same depth as case and esac lines. + - Redirection operators should be written with space before, but no + space after them. In other words, write 'echo test >"$file"' + instead of 'echo test> $file' or 'echo test > $file'. Note that + even though it is not required by POSIX to double-quote the + redirection target in a variable (as shown above), our code does so + because some versions of bash issue a warning without the quotes. + - We prefer $( ... ) for command substitution; unlike ``, it properly nests. It should have been the way Bourne spelled it from day one, but unfortunately isn't. |