How to perform multiple operations on a number before storing to a variable?
(I am using bash)
I have a command that will find the line number in a file by searching for a string where it exists.
This returns the line number and removes the string. Now that I have the line number I want to subtract 4 from it and give me a new line number.
What I would like to do is find the line number and subtract by 4 BEFORE storing to the variable "linenumber" so I can avoid creating a new variable "newlinenumber" altogether. Essentially I want to combine the two with the idea pictured as follows:
I want to know the correct syntax to make this possible.
Hi,
My code is as below:
integer i=7
while ((i <= 5 ));
do
# test_out is a variable which contains data separated by "^".
a= `echo $test_out | cut -d"^" -f$i`
echo "$a"
(( i = i + 1));
done
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Given this input:
And this input:
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if
< code>
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