Administer the file system and more on an ESP8266 that is flashed with NodeMcu firmware.

$ npm install esp8266 -g

$ esp command [subcommand] [data]

Sets the name of the serial port to use in future commands.

$ esp port set /dev/tty.usbserial-A603UC7E

Displays the current port that is used.

$ esp port get
Port: /dev/tty.usbserial-A603UC7E

Lists the sizes and names of all files on the module.

$ esp file list
    1093 bytes  init.lua
    1321 bytes  test.lua

Removes a file from the module.

$ esp file remove test.lua

Writes a file from the local file system to the module. If a second filename is given, the local file will be renamed to this value on the device, else it will keep its local name.

$ esp file write ./webserver.lua init.lua

Displays the content of a file from the module.

$ esp file read hello-world.lua
print 'Hello, world'

Executes the content of a Lua file on the module, returns the output.

$ esp file execute hello-world.lua
Hello, world

Restarts the module.

$ esp restart

Executes Lua code on the module, returns the output.

$ esp execute "print 'Mechanisms, not policy.'"
Mechanisms, not policy.

MIT