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languagelevel: Returns the language level of the interpreter.
languagelevel % Might return 2 or 3 depending on the interpreter capabilities -
le: Compares two numbers and returns true if the first is less than or equal to the second.
3 5 le % Returns true -
length: Returns the number of elements in an array, dictionary, or the number of characters in a string.
(Hello) length % Returns 5 -
limitcheck: Checks if an internal limit has been exceeded, usually within a context that might trigger this, such as image rendering.
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lineto: Adds a line from the current point to a specified point (x, y) in the current path.
newpath 10 10 moveto 100 100 lineto % Draws a line from (10,10) to (100,100) -
ln: Calculates the natural logarithm of a number.
10 ln % Calculates the natural log of 10 -
load: Fetches the value associated with a name from the dictionary stack.
/x 3 def x load % Returns 3 -
lock: Locks a given lock object to synchronize access in a concurrent environment.
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log: Computes the logarithm base 10 of a number.
100 log % Returns 2 -
loop: Repeatedly executes a procedure.
{1000 gt} {/count count 1 add def} loop % Example loop structure; use within context -
lt: Tests if the first operand is less than the second.
2 3 lt % Returns true -
makefont: Creates a new font from an existing font by applying a transformation matrix.
/Helvetica findfont [12 0 0 12 0 0] makefont setfont % Makes and sets Helvetica at 12 point -
makepattern: Creates a pattern cell from a matrix and a painting procedure.
[/Pattern /DeviceGray] setcolorspace [1 0 0 1 0 0] { ... } makepattern % Example pattern definition -
mark: Pushes a mark onto the stack.
mark -
matrix: Creates a transformation matrix or returns the default matrix if no parameters are given.
matrix % Returns an identity matrix -
maxlength: Returns the maximum length of a string, generally used to ensure capacity in operations.
(Hello) maxlength % Contextual use in handling strings -
mod: Computes the remainder of division between two integers.
10 3 mod % Returns 1 -
monitor: Monitors a dictionary's access, executing a procedure if an event occurs.
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moveto: Moves the current point to the specified coordinates, starting a new subpath.
100 200 moveto % Moves the current point to (100,200) -
mul: Multiplies two numbers.
2 3 mul % Returns 6 -
ne: Tests if two operands are not equal.
2 3 ne % Returns true -
neg: Negates a number.
3 neg % Returns -3 -
newpath: Clears the current path.
newpath % Starts a new empty path -
noaccess: Marks an object so that it cannot be modified or executed.
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nocurrentpoint: Returns true if no current point is set on the path, often used in error handling.
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not: Logical NOT operator; inverts a boolean value.
true not % Returns false -
notify: Sends a notification to a condition object.
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null: Pushes a null object onto the stack.
null % Returns a null object -
nulldevice: Sets the output device to a null device, effectively disabling drawing operations.
nulldevice % Directs output to nowhere