shell - In Unix, how to create a file in a absolute path name -

my variable path1 contains value /home/folder. how can create new file named foo using absolute path name?

path1="/home/folder" echo "hello web" > $path1/foo 

but code give me error. can 1 please tell me how can create file foo in specific location, using path name?

in bash should write:

path1="/home/folder"; echo "hello web" > $path1/foo 

or:

export path1="/home/folder" echo "hello web" > $path1/foo 

notation used works in bash script.