How to create file with instruction of commands?

Question

I have a file name myFirstFile that contains certain commands. But I am not able to excecute them.

If I want to execute this as a program, which code should be implemented?

You really need to read up on shell scripts.

Oded
– Oded

2012-09-08 09:31:59 +00:00
Commented Sep 8, 2012 at 9:31 — Oded
– Oded, Commented Sep 8, 2012 at 9:31

m4tx · Accepted Answer · 2012-09-08 09:30:46Z

2

If you want to execute your program, it should start with:

#!/bin/sh

It's the generic script file "header". It indicates that the script is a shell script (if it's bash script you should have #!/bin/bash, etc.). If you want to execute it, you should call chmod +x ./myFirstFile to give privileges to call it as program, and then you can start your script normally: ./myFirstFile.

answered Sep 8, 2012 at 9:30

m4tx

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Szymon Toda · Accepted Answer · 2012-09-08 09:28:57Z

Make this file executable* and give it *.sh extention like: "myFirstFile.sh"

Than run it from terminal (or crontab - it can do things for you when you sleep :) ) like:

cd directory/you/have/that/file
sh ./myFirstFile.sh

*Im not shure that making it executable is the most secure thing you can do. All my sh scripts are and I never digged into this issue, so make sure its cool

Also make sure you have "#!/bin/bash" in first line - sometimes it helps (dont know why, Google it)

edit: for example my script for starting Minecraf server looks like this

start.sh

#!/bin/bash

BINDIR=$(dirname "$(readlink -fn "$0")")
cd "$BINDIR"

while true
do
    java -Xmx3584M -jar craftbukkit.jar

    echo -e 'If you want to completely stop the server process now, press ctrl-$
    echo "Rebooting in:"
    for i in {5..1}
    do
        echo "$i..."
        sleep 1
    done
    echo 'Restarting now!'
done

Roland Illig · Accepted Answer · 2012-09-08 09:30:58Z

0

You have to make the file executable:

chmod +x myFirstFile

Then you can execute the commands in it:

./myFirstFile

answered Sep 8, 2012 at 9:30

Roland Illig

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1 Comment

Dhaiwat budh Over a year ago

thnks.... i am beginner in this language.. actually i have creted it n run the commands successfully...

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