Shell Programming and Scripting

Hello experts,
Is it possible to call function in one script from another script?

Example.

Script 1:
#!/bin/bash
function1(){
}

Script 2:
#!/bin/bash
#code to call function1 in Script 1


thanks you

Yes. Assuming that script1 just defines the function and does not do stuff you do not want done. You source script1 inside script2 then call the function that lives in script1.
example script2:

Code:

#!/bin/bash
source script1  # alternate syntax: . script1 < note the free floating dot
function1 argument1 argument2

Thank you great help~

Hi All,

I have written something like this to call a function from another script.

Script-1 : as.sh

#!/bin/sh
file_archive()
{
mv /home/babu/amit/employee /home/babu/amit/error_employee
return 0
}

script 2: a.sh

#!/bin/sh

a=2
b=3

if [ $a -ne $b ]
then
echo " Value $a and value $b are not same" >> LOG
. as.sh
file_archive()
fi

The echo message will be appended in LOG file... but it is not renaming file from employee to error_employee.



But

You don't need the ():

Code:

if [ $a -ne $b ]
then
echo " Value $a and value $b are not same" >> LOG
. as.sh
file_archive
fi

Thank you vimes, Now it is working.

One more thing i like to ask you...

If the way we are calling function from other script can we call variable in same way?

i mean if say my script is like...

#!/bin/sh

a=2
b=3

if [ $a -ne $b ]
then
echo " Value $a and value $b are not same" >> LOG
. as.sh
file_archive
fi

instead of defining a & b variable i want to declare it in some other script & need to call.

a=2
b=3

Why i am asking is that i have make an script. i am using different kinds of variable. While opening that script it looks wierd. So i want to create a seperate file which contains all functions & variables. & then in my main script i need to call it.

Yes, that's possible. It works the same way.

You can just create vars.sh, for example.

Code:

#!/bin/sh
a=2
b=3

And then in your main code do:

Code:

#!/bin/sh

# Load vars
. vars.sh

if [ $a -ne $b ]
then
echo " Value $a and value $b are not same" >> LOG
. as.sh
file_archive
fi