Email with subject contains value of Variable

Shell Programming and Scripting
1

I want to email where subject contains value of variable $ORACLE_SID.
When script is emailing, it is not taking value of $ORACLE_SID.

example -
I have variable ORACLE_SID=prd
I am sending email with below script.
tail -1 $LOG | mailx -s 'Export Completed for ${ORACLE_SID}' myemailid@server.com

Actual Result -->
I am getting email with subject - "Export Completed for ${ORACLE_SID}"

Expected Result -->
I am expecting email with subject - "Export Completed for prd"

Thanks
Deep

2

That is because you surround the -s argument with single tics - these suppress the expansion of variables. try "

3

Thanks Jim, It worked