Assign output to variable in Bash

Question

I m trying to assign the output of cURL into a variable like so      bin sh  IP  curl automation whatismyip com n09230945 asp  echo  IP sed s IP  IP  nsupdate txt   nsupdate   However  when I run the script the following happens      update sh  3    my ip address   not found    How can I get the output into  IP correctly

User · Accepted Answer

In shell  you don t put a   in front of a variable you re assigning   You only use  IP when you re referring to the variable      bin bash  IP   curl automation whatismyip com n09230945 asp   echo   IP   sed  s IP  IP   nsupdate txt   nsupdate

User · Answer

Same with something more complex   getting the ec2 instance region from within the instance   INSTANCE REGION   curl -s  http   169 254 169 254 latest dynamic instance-identity document    python -c  import sys  json  print json load sys stdin   region      echo  INSTANCE REGION

[bash] Assign output to variable in Bash

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