Why doesn't bash treat brace expansions exactly like csh?
Why doesn't bash treat brace expansions exactly like csh?
The only difference between bash and csh brace expansion is that
bash requires a brace expression to contain at least one unquoted
comma if it is to be expanded. Any brace-surrounded word not
containing an unquoted comma is left unchanged by the brace
expansion code. This affords the greatest degree of sh
compatibility.
Bash, ksh, zsh, and pd-ksh all implement brace expansion this way.
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