On 10/31/2011 07:35 AM, Paul Gilmartin wrote:
I used to know a statement in POSIX that builtins should behave identically to the executables in /bin (or perhaps /usr/bin) except for performance.
Only in regards to standardized use of those utilities. 'echo "\1"' is not standardized, so it is allowed to differ between the dash built-in and /bin/echo.
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