- Language Reference
- Function Reference
- I/O Reference
- Opening and Closing Text Files
- Reading Text
- Writing Text
- Positioning a Text File
- Opening and Closing Binary Files
- Saving and Restoring Variables
- Reading History Records
- Writing History Records
- Opening Non-PDB Files
- Making Plots
- Plot Paging and Hardcopy
- Setting Plot Limits
- Managing Graphics Windows
- Graphics Query, Edit, and Defaults
Yorick Language Reference
Opening and Closing Text Files
| f = open(filename, mode) | open filename in mode |
| close, f | close file f (automatic if f redefined) |
The mode is a string which announces the type of operations you intend to perform: "r" (the default if mode is omitted) means read operations only, "w" means write only, and destroy any existing file filename, "r+" means read/write, leaving any existing file filename intact. Other mode values are also meaningful; see help.
The file variable f is a distinct data type in Yorick; text files have a different data type than binary files. The print or info function will describe the file. The close function is called implicitly when the last reference to a file disappears.