how to store psql query multiple results in a variable in shell script code example
Example: postgres output to bash variable
vartest=`psql -X -A -d $dbname -U $username -h localhost -p 5432 -t -c "SELECT gid FROM testtable WHERE aid='1'"`vartest=`psql -X -A -d $dbname -U $username -h localhost -p 5432 -t -c "SELECT gid FROM testtable WHERE aid='1'"`