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authorjilles <jilles@FreeBSD.org>2010-11-19 12:56:13 +0000
committerjilles <jilles@FreeBSD.org>2010-11-19 12:56:13 +0000
commit129853101d5707b7d18f28f39e748fa65a36add2 (patch)
treebf15bc2b264e5ca2469d76c04865a14c1e99127c /sbin/newfs_msdos
parent7be275d6a786ef414ab769fb1b61fa9a4b041f4d (diff)
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sh: Add printf builtin.
This was removed in 2001 but I think it is appropriate to add it back: * I do not want to encourage people to write fragile and non-portable echo commands by making printf much slower than echo. * Recent versions of Autoconf use it a lot. * Almost no software still wants to support systems that do not have printf(1) at all. * In many other shells printf is already a builtin. Side effect: printf is now always the builtin version (which behaves identically to /usr/bin/printf) and cannot be overridden via PATH (except via the undocumented %builtin mechanism). Code size increases about 5K on i386. Embedded folks might want to replace /usr/bin/printf with a hard link to /usr/bin/alias.
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