Error: Division by zero ad@DESKTOP-3KE0KU4:~$ ./test1.sh 0 12 Result of division: 0 Explanation: In the exercise above, Define a function "divide_numbers()" to perform division. Inside the function, we check if the divisor is 0, if so, we print an error message and exit with co...
# Check if num2 is zero to avoid division by zero error if [ $num2 -eq 0 ]; then echo "Error: Division by zero" exit 1 fi local result=$(bc <<< "scale=2; $num1 / $num2") echo "The division of $num1 by $num2 is: $result" } # Call the divide function with two num...
divide.sh#!/bin/bash a=$1 b=2 ((result=$a/$b)) echo "The division of $a by $b is $result"Create a bash file named, callpro.sh with the following script to call the mentioned bash files using source, bash, eval and exec commands. You must set execution permission for the ...
divide.sh #!/bin/bash a=$1 b=2 ((result=$a/$b)) echo"The division of$aby$bis$result" Create a bash file named,callpro.shwith the following script to call the mentioned bash files using source, bash, eval and exec commands. You must set execution permission for the above four fi...
2. Divide the actions into logical groups If you have a very small list of actions to be performed, then you could put them all in a single shell script. However, if you have a large list of actions, it is good to group them into logical sets, such as the server actions in one ...
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According to the above table, exit codes1 - 2, 126 - 165, and 255[1]have special meanings, and should therefore be avoided for user-specified exit parameters. Ending a script withexit 127would certainly cause confusion when troubleshooting (is the error code a"command not found" or a user...
This is an alternative to sed, awk, perl and other tools. The function below works by finding all leading and trailing white-space and removing it from the start and end of the string. The : built-in is used in place of a temporary variable....
) /= Slash-Equal (Divide a variable.) %= Mod-Equal (Remainder of dividing a variable.)BitwiseOperatorsWhat does it do? << Bitwise Left Shift <<= Left-Shift-Equal >> Bitwise Right Shift >>= Right-Shift-Equal & Bitwise AND &= Bitwise AND-Equal | Bitwise OR |= Bitwise OR-Equal ~ ...
The function below works by finding all leading and trailing white-space and removing it from the start and end of the string. The : built-in is used in place of a temporary variable.Example Function:trim_string() { # Usage: trim_string " example string " : "${1#"${1%%[![:space...