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***** NOT YET UPDATED TO CoCoA-5: follow with care *****
To print CoCoA output to a file, one first opens the file
with
OpenOFile
then prints to the file using
print on
.
To receive verbatim input from a file, one first opens the file with
OpenIFile
, then reads lines from the file with
GetLine
.
/**/ D := OpenOFile("my-file"); -- open text file with name "my-file",
/**/ -- creating it if necessary
/**/ Print "hello world" On D; -- append "hello world" to my-file
/**/ Close(D); -- close the file
/**/ D := OpenIFile("my-file"); -- open "my-file"
/**/ GetLine(D);
hello world
/**/ Close(D);
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To read and execute a sequence of CoCoA commands from a text file, one
uses the
source
command. For instance, if the
file
MyFile.coc contains a list of CoCoA commands, then
Source "MyFile.cocoa";
reads and executes the commands.