bash function, FTW
by Kreme on Dec.10, 2008, under Computer
Thanks to Leo Laporte’s twitter post of http://codeulate.com/?p=22 I found this wonderful function buried in the comments.
function s {
  if [ $# -gt 0 ]
  then
  sudo $@
  else
  sudo $(fc -ln | tail -n1)
  fi
}
What it does is nothing short of spectacular. Type a command, like say:
 ~ $ portupgrade postfix The pkgdb must be updated. Please run 'pkgdb -u' as root.
Oh, darn, forgot to sudo it. Oh well.
 ~ $ s Password: [Updating the pkgdb in /var/db/pkg ... - 431 packages found (-0 +2) .. done] [package update begins]
That is, if I type a command that requires sudo, I get an error. I could up-arrow, ctrl-a, and type ‘sudo ‘ and hit return. Or I could, as the original post said, type ‘sudo !!’
–Man is born free, but is everywhere in chains.
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