How to declare functions in unix shell script?
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First method:
function function_name
{
}
Second Method:
function_name()
{
}
For both methods, the invocation of function would be in
the same format only.
Invocation:
function_name
| Is This Answer Correct ? | 62 Yes | 12 No |
Answer / prakash
function Dissplay () {
echo "This is how we define function"
}
Display # Invoking Function
## Function should be defined before we invoke it
| Is This Answer Correct ? | 67 Yes | 26 No |
Answer / nandish
we can pass the parameter also
ex: function fun_name () {
# write block here
}
invoke function as
fun_name parameter1 parameter2 ...
| Is This Answer Correct ? | 9 Yes | 3 No |
Answer / pitambar mishra
### Note : Function always returns a value.
### This script is for adding two numbers.
### Script name : add.ksh
#!/bin/ksh
sum() ### Defining sum function
{
echo enter 2 no :
read num1 num2
echo sum=$(( num1 + num2 ))
}
sum ### Invoking sum function
To execute it :
ksh add.ksh
| Is This Answer Correct ? | 0 Yes | 0 No |
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