File and Stream Operations
- Character — single character, returned as a one‐character string
- Close — close a stream
- EndOfFile — end of the file
- Expression — WL expression
- FilePrint — display the contents of a file
- Find — find the next occurrence of a string
- Get — read in a file and evaluate commands in it
- $InputFileName — the full absolute path to the file from which input is currently being sought
- InputStream — an input stream
- $Input — the name of the current input stream
- Number — exact or approximate number in Fortran‐like notation
- OpenAppend — open an output stream to a file, appending to what was already in the file
- OpenRead — open a file for reading
- OpenWrite — send an output stream to a file, wiping out the previous contents of the file
- OutputStream — an output stream
- Put — write an expression to a file
- PutAppend — append an expression to a file
- Read — read an object of the specified type from a stream
- ReadList — read a sequence of elements from a file, and put them in a WL list
- Record — sequence of characters delimited by record separators
- SetStreamPosition — set the position of the current point in an open stream
- Skip — skip over an object of the specified type in an input stream
- StreamPosition — find the position of the current point in an open stream
- Streams — list currently open streams
- StringToStream — open an input stream for reading from a string
- Word — sequence of characters delimited by word separators
- Write — write a sequence of expressions to a stream, ending the output with a newline (line feed)
- WriteString — write a sequence of strings to a stream, with no extra newlines