|Set current directory to abcd
Change to directory abcd.
Return current directory.
List contents of current directory.
|Save word list
|Save procedures in list in file named word.
Save procedures currently defined in file named word.
Opens and read file named word.
|OpenFlow id file
WriteLineFlow id [abcd]
AppendLineFlow id [abcd]
|Open a flow towards file with id.
List all open fluxes with their identifiers.
Open flow id and read a line in the file.
Open flow id and read a character in the file.
Write text line contained in list to file id.
Write text line contained in list to end of file id.
Close flux id.
Return true if end of file, else false.