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floating point numbers in if


 
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Top Forums Shell Programming and Scripting floating point numbers in if
# 8  
Old 10-23-2009
ksh93 is my favourite shell for scripting Smilie:
Code:
if (( 4.2 > 3.4 )); then 
  echo 1
else
  echo 2 
fi

# 9  
Old 10-23-2009
@Scrutinizer

Is /bin/ksh same as ksh93?
# 10  
Old 10-23-2009
Quote:
Originally Posted by proactiveaditya
Is /bin/ksh same as ksh93?

It may be; it may not be.

That's why it is better to test for the features you need.
# 11  
Old 10-23-2009
Ya it works. But how to determine the version of the KornShell?
# 12  
Old 10-23-2009
Code:
echo ${.sh.version}

# 13  
Old 10-23-2009
Quote:
Originally Posted by Scrutinizer
Code:
echo ${.sh.version}

Code:
$ echo ${.sh.version}
/bin/ksh: : bad substitution

# 14  
Old 10-23-2009
OK OK Smilie

Code:
(echo ${.sh.version}) 2>&- || echo ksh88

Smilie
Inside a Korn shell.

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