nixCraft

hao · #1 (**permalink**) 03-15-2007, 11:58 PM

I want to use the real number in my code , variable i

Code:

#!/bin/csh
set i=4
while ($i < 6)
echo '12 0.'$i' 1' >> data
@ i = ($i + 1)
end

I want i run 0.4---> 0.6 and Delta_i=0.01 . But script can't understand real number. Help me

nixcraft · #2 (**permalink**) 03-16-2007, 02:35 AM

You need to use bc command for real / float number calculation. For example:

Code:

echo 1+5 | bc
echo 1.5+5.3 | bc

so you can do the calculating using bc and store result to variable or redirect to a file:

Other suggested and recommended way is to use a perl / python / ruby scripting.

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nixCraft

Use float real numbers in a shell script

Use float real numbers in a shell script

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