Try it: $ a=0 $ let a++ $ echo $? 1 # Did the world just go mad? $ echo $a 1 # Yes, it did. $ let a++ $ echo $? 0 # We have normality. $ echo $a 2 Contrast with this: $ b=0 $ let b+=1 $ echo $? 0 ...
I have a list of numbers in a file, one per line. How can I get the minimum, maximum, median and average values? I want to use the results in a bash script. Although my immediate situation is for ...
I want to compare two floating point numbers in a shell script. The following code is not working: #!/bin/bash min=12.45 val=10.35 if (( $val < $min )) ; then min=$val fi echo $min
My search this morning was about how could I compare two decimal numbers in bash, and I came to this answser: How to compare to floating point number in a shell script. This one, however, doesn't ...
There are limits set for the arithmetic evaluation capabilities of the bash shell. The manual is succinct about this aspect of shell arithmetic but states: Evaluation is done in fixed-width ...