Worm/Passwords (really: 'rm *')
M.R.Murphy
mrm at sceard.UUCP
Sat Nov 19 08:40:54 AEST 1988
In article <860 at sceard.UUCP> I (0040-M.R.Murphy) wrote:
|I think that the following shell script does about what is asked for. The
|idea is to use existing tools rather than change exisiting tools.
|
|#! /bin/sh -
|if test `echo "$*" |wc -w` -gt 5
|then
| echo ": expands to more than 5 arguments, are you sure? \c"
| read answer
| if test "$answer" != "yes" -a "$answer" != "y"
| then
| exit 1
| fi
|fi
|#change "echo" below to the command(s) that you feel like doing for $*
|echo $*
And I should know that
`echo "?#"`
is preferable to
`echo "$*" |wc -w`
because it is faster.
More than one way to skin a cat (no offense to cat lovers :-)
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