- We do not use Process Substitution <(list) or >(list).
+ - Do not write control structures on a single line with semicolon.
+ "then" should be on the next line for if statements, and "do"
+ should be on the next line for "while" and "for".
+
- We prefer "test" over "[ ... ]".
- We do not write the noiseword "function" in front of shell
functions.
+ - We prefer a space between the function name and the parentheses. The
+ opening "{" should also be on the same line.
+ E.g.: my_function () {
+
- As to use of grep, stick to a subset of BRE (namely, no \{m,n\},
[::], [==], nor [..]) for portability.