shell problem


 
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# 1  
shell problem

this picture for print You didn't do the question. Go back.
if $1 = 0
but until now it give me this message [: 11: missing ]

what i should be do ?


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shell problem-eeejpg

Last edited by NeeZaaR; 09-03-2012 at 11:18 AM..
# 2  
Code:
if [ -z "$1" (space needed here) ]

When you test -z you expect an empty (NULL) value. You should to put it in quotes.
The [ ] characters have to have at least one space on each side of them. They are actually keywords in shell.
# 3  
Thank you very much.
for helping me.
 

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