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# 1  
Old 11-24-2010
Network array
hi all
I am trying put some array and looping logic in my shell script. I am good in shell scripting. I dont knwo why the below if failing ? I got this input from Oreilly Sed & Awk nutshell.


>for ( i = 1; i <=3 ; i++ )
ksh: 0403-057 Syntax error: `(' is not expected.
>uname -a
AIX axrsgpar0335 3 5 00CA69E44C00
# 2  
Old 11-24-2010
pls paste your full script.with the given one it would be unable to determine the reason for the error..
# 3  
Old 11-24-2010
Try:
Code:
for (( i = 1; i <=3 ; i++ ))

# 4  
Old 11-24-2010
I just want to test the for loop like this. I have loops like
for i in `cat /home/oraclesid` ; do
..
..
..
done

but am not sure why am not able run this kind of for as i given below

for ( i = 1; i <=3 ; i++ )

thanks..
# 5  
Old 11-24-2010
Quote:
Originally Posted by ilugopal
I just want to test the for loop like this. I have loops like
for i in `cat /home/oraclesid` ; do
..
..
..
done

but am not sure why am not able run this kind of for as i given below

for ( i = 1; i <=3 ; i++ )

thanks..
'cause:
  1. syntax is wrong (as noted by Franklin52)
  2. once fixed, it's only valid for ksh93 (and alike shells) on AiX.

Code:
#!/bin/ksh93

for ((i=1; i <= 3; i++ ))
do
   echo $i
done

Why exactly do you need `cat /home/oraclesid`?
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