Gri: complete list of commands

Gri Commands 1: Introduction 2: Simple example 3: Fancy example 4: Running Gri 5: Programming Gri 6: General Issues 7: X-Y Plots 8: Contour Plots 9: Image Plots 10: Examples 11: Handling Data 12: Gri Commands 13: Gri Extras 14: Evolution of Gri 15: Installing Gri 16: Gri Bugs 17: System Tools 18: Acknowledgments 19: License 20: Newsgroup 21: Concept Index | # 12: List of Commands in the Gri Language Commands are listed below in the order in which they are defined in the ``gri.cmd`' file see Options On Command Line. What you see here is similar to, but not identical to, the text of the online help. Gri usually accepts both American and English spellings (As an example of spelling latitude, Gri accepts ``grey`' anywhere the manual says ``gray`', and ``colour`' for ``color`'.) Here is an introduction to Gri commands and their syntax: Overview Of Gri Commands: General classification of commands Command Syntax: Syntax of the commands Here is a list of all comands: Cd: Change directory Close: Close a file Convert: Convert various data types Create: Create columns from specified function Debug: Set to debugging mode Delete: Delete various data structures Differentiate: Differentiate things Draw: Draw various things Expecting: Make Gri warn of incompatibilites Filter: Filter (smooth) various data structures Flip: Flip or transpose grid or image Get Env: Get a unix environment variable Heal: Interpolate across missing values Help: Give on-line help If: If and if/else statements Ignore: Ignore some of data recently read in Input: Input PostScript file into output file Insert: Insert a separate file into the current one Interpolate: Interpolate grid data to new x/y grid List: List source of a gri command Ls: List files in current directory Mask: Mask the image New: Get space for new variable or synonym Newpage: Go to a new page Open: Open a data file Postscript: Insert a line into the PostScript file Pwd: Print working directory Query: Get user input Quit: Exit from gri Read: Read something Regress: Do linear regressions on columnar data Reorder: Reorder columns Rescale: Re-determine scales for x/y axes Resize: Resize plot width/height for maps Return: Return early from command or insert file Rewind: Rewind data file to beginning Rpnfunction: Define an rpn function Set: Set various preference flags, etc Show: Show values of various things Skip: Skip some lines in data file Smooth: Smooth data Sprintf: Print variable values into a synonym State: Save or restore the graphics state Superuser: Enable some programmers debugging commands System: Performing system commands within gri While: Loop over some code while a condition is true Write: Write data to a file