On quinta-feira, 23 de janeiro de 2014 19:42:31, Till Oliver Knoll wrote: > > Exercise left to the reader: why didn't I check with echo? > > That's a trick question! Because an echo repeats everything you say it would > be sufficient to escape with half the number of backslashes as needed. But > since we need 7 of them which cannot be divided by 2 without fractional > part the use of echo here is impossible and might even format your > harddrive (twice!).
The answer is "because I'm using zsh, whose echo command parses escape sequences". $ echo \\\\ \ $ /bin/echo \\\\ \\ $ echo \\n\\x41 A $ /bin/echo \\n\\x41 \n\x41 -- Thiago Macieira - thiago.macieira (AT) intel.com Software Architect - Intel Open Source Technology Center
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