bash script to get asbolute diretory of script











up vote
-1
down vote

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I am using the following to get the absolute path



root_dir=$(cd `dirname $0` && pwd)


print



/home/pi/scripts/bin


How do I modify the line to go back one directory. /home/pi/scripts






linux bash shell







share|improve this question






















  • Determining the location of your script using $0 may not always be reliable - further reading here.
    – RobC
    Nov 9 at 17:01

















up vote
-1
down vote

favorite












I am using the following to get the absolute path



root_dir=$(cd `dirname $0` && pwd)


print



/home/pi/scripts/bin


How do I modify the line to go back one directory. /home/pi/scripts






linux bash shell







share|improve this question






















  • Determining the location of your script using $0 may not always be reliable - further reading here.
    – RobC
    Nov 9 at 17:01















up vote
-1
down vote

favorite









up vote
-1
down vote

favorite











I am using the following to get the absolute path



root_dir=$(cd `dirname $0` && pwd)


print



/home/pi/scripts/bin


How do I modify the line to go back one directory. /home/pi/scripts






linux bash shell







share|improve this question













I am using the following to get the absolute path



root_dir=$(cd `dirname $0` && pwd)


print



/home/pi/scripts/bin


How do I modify the line to go back one directory. /home/pi/scripts






linux bash shell




linux bash shell






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 9 at 15:42









user3525290

408311




408311












  • Determining the location of your script using $0 may not always be reliable - further reading here.
    – RobC
    Nov 9 at 17:01




















  • Determining the location of your script using $0 may not always be reliable - further reading here.
    – RobC
    Nov 9 at 17:01


















Determining the location of your script using $0 may not always be reliable - further reading here.
– RobC
Nov 9 at 17:01






Determining the location of your script using $0 may not always be reliable - further reading here.
– RobC
Nov 9 at 17:01














1 Answer
1






active

oldest

votes

















up vote
3
down vote



accepted










You can do what you would do manually:



root_dir=$(cd `dirname $0`/.. && pwd)


But probably you will like an easiest way. You don't need to change folder and print the current folder, just get the name you need and add the parent path:



root_dir=$(dirname $0)/..





share|improve this answer





















  • Using the first gave me what i was looking for /home/pi/scripts the second gave me bin/..
    – user3525290
    Nov 9 at 16:16










  • And that string is the parent of your script seen from your current location (relative path). If you want and absolute path, you can try root_dir=$(readlink -f $(dirname $0)/..)
    – Poshi
    Nov 10 at 11:31











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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
3
down vote



accepted










You can do what you would do manually:



root_dir=$(cd `dirname $0`/.. && pwd)


But probably you will like an easiest way. You don't need to change folder and print the current folder, just get the name you need and add the parent path:



root_dir=$(dirname $0)/..





share|improve this answer





















  • Using the first gave me what i was looking for /home/pi/scripts the second gave me bin/..
    – user3525290
    Nov 9 at 16:16










  • And that string is the parent of your script seen from your current location (relative path). If you want and absolute path, you can try root_dir=$(readlink -f $(dirname $0)/..)
    – Poshi
    Nov 10 at 11:31















up vote
3
down vote



accepted










You can do what you would do manually:



root_dir=$(cd `dirname $0`/.. && pwd)


But probably you will like an easiest way. You don't need to change folder and print the current folder, just get the name you need and add the parent path:



root_dir=$(dirname $0)/..





share|improve this answer





















  • Using the first gave me what i was looking for /home/pi/scripts the second gave me bin/..
    – user3525290
    Nov 9 at 16:16










  • And that string is the parent of your script seen from your current location (relative path). If you want and absolute path, you can try root_dir=$(readlink -f $(dirname $0)/..)
    – Poshi
    Nov 10 at 11:31













up vote
3
down vote



accepted







up vote
3
down vote



accepted






You can do what you would do manually:



root_dir=$(cd `dirname $0`/.. && pwd)


But probably you will like an easiest way. You don't need to change folder and print the current folder, just get the name you need and add the parent path:



root_dir=$(dirname $0)/..





share|improve this answer












You can do what you would do manually:



root_dir=$(cd `dirname $0`/.. && pwd)


But probably you will like an easiest way. You don't need to change folder and print the current folder, just get the name you need and add the parent path:



root_dir=$(dirname $0)/..






share|improve this answer












share|improve this answer



share|improve this answer










answered Nov 9 at 15:52









Poshi

1,7341713




1,7341713












  • Using the first gave me what i was looking for /home/pi/scripts the second gave me bin/..
    – user3525290
    Nov 9 at 16:16










  • And that string is the parent of your script seen from your current location (relative path). If you want and absolute path, you can try root_dir=$(readlink -f $(dirname $0)/..)
    – Poshi
    Nov 10 at 11:31


















  • Using the first gave me what i was looking for /home/pi/scripts the second gave me bin/..
    – user3525290
    Nov 9 at 16:16










  • And that string is the parent of your script seen from your current location (relative path). If you want and absolute path, you can try root_dir=$(readlink -f $(dirname $0)/..)
    – Poshi
    Nov 10 at 11:31
















Using the first gave me what i was looking for /home/pi/scripts the second gave me bin/..
– user3525290
Nov 9 at 16:16




Using the first gave me what i was looking for /home/pi/scripts the second gave me bin/..
– user3525290
Nov 9 at 16:16












And that string is the parent of your script seen from your current location (relative path). If you want and absolute path, you can try root_dir=$(readlink -f $(dirname $0)/..)
– Poshi
Nov 10 at 11:31




And that string is the parent of your script seen from your current location (relative path). If you want and absolute path, you can try root_dir=$(readlink -f $(dirname $0)/..)
– Poshi
Nov 10 at 11:31


















 

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