problem with nested if stament

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# 1  
Tools problem with nested if stament

hi everybody:
could anybody tell me what I'm doing wrong. I've tried to nest if staments like this:

if [condition1]; then
   if [condition2];then
        if [condition3];then
   elif [condition4];then

and the last fi (end stament ) appears like missing.
[: 271: missing ] -----> this is the code line
Thanks in advance. Smilie
# 2  
put whitespace between [ and condition1, also between condition1 and ]. Do this for all conditional statements and check again.
# 3  
problem with nested if stament

Actually I've done all brackets with spaces but into one those I forget it.Smilie
Thanks. Smilie
# 4  
shall we call this Shell trap for the unwary?
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