Streams Cheatsheet:

Keys: D: Dyadic; M: Monadic; N: Niladic

  The fundamental Stream glyphs:    Examples:
Compound
Glyphs
Meaning 
Commentary `
``
@
<-
->
<<-
->>
&
|
^

?
Index of
Indices of 
Seek
Beginning
Ending
Previous
Next
All
Any
Contains
Where
str @<- ;
str @->> ;
str `->>& 'GLEE';
str @<<-| ';.' ;
str ?`@ ;
str ^& 'GLEE' ;
Seek Beginning of stream
Seek to next CRLF
Index of next "GLEE"
Seek to previous ";" or "."
Return cursor position
Contains "GLEE"