Shulou(Shulou.com)06/02 Report--

#! / bin/bash

If [$#-ne 1]; then

Echo "please input one argument:"

Exit 1

Fi

If [$1-eq 1]; then

Echo "you input is $1."

Elif [$1-eq 2]; then

Echo "you input is $1."

Else

Echo "you input is wrong."

Exit 2

Fi

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