Running remote sftp commands from a script

remote-sftp.shsrc

# use the source, Luke

# >  source remote-sftp.shsrc


action="df -h\nexit\n"
for d in / /vol /vol/homes /vol/Public; do
   echo "${d}:"
   echo -e "${action}" | sftp "user@fs1:${d}"
   echo "${d}/:"
   echo -e  "${action}" | sftp "user@fs1:${d}/"
   echo -e - '----\n'; done > result.log
# Return to avoid executing the example output, below
return

##################
> source remote-sftp.shsrc
> cat result.log
/:
Changing to: /
sftp> df -h
    Size     Used    Avail   (root)    %Capacity
   400MB    338MB   62.0MB   62.0MB          84%
sftp> exit
//:
Changing to: //
sftp> df -h
    Size     Used    Avail   (root)    %Capacity
   400MB    338MB   62.0MB   62.0MB          84%
sftp> exit
- ----

/vol:
Changing to: /vol
sftp> df -h
    Size     Used    Avail   (root)    %Capacity
  16.0MB      0BB   16.0MB   16.0MB           0%
sftp> exit
/vol/:
Changing to: /vol/
sftp> df -h
    Size     Used    Avail   (root)    %Capacity
  16.0MB      0BB   16.0MB   16.0MB           0%
sftp> exit
- ----

/vol/homes:
Changing to: /vol/homes
sftp> df -h
    Size     Used    Avail   (root)    %Capacity
   1.5TB    743GB    779GB    780GB          48%
sftp> exit
/vol/homes/:
Changing to: /vol/homes/
sftp> df -h
    Size     Used    Avail   (root)    %Capacity
   1.5TB    743GB    779GB    780GB          48%
sftp> exit
- ----

/vol/Public:
Changing to: /vol/Public
sftp> df -h
    Size     Used    Avail   (root)    %Capacity
   1.5TB    743GB    779GB    780GB          48%
sftp> exit
/vol/Public/:
Changing to: /vol/Public/
sftp> df -h
    Size     Used    Avail   (root)    %Capacity
   1.5TB    743GB    779GB    780GB          48%
sftp> exit
- ----