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ARG_PRESENT
| Returns TRUE if the value of the specified variable can be passed back to the caller. |
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BIT_FFS
| Returns the index of the first bit set (non-zero) in an integer. |
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BIT_POPULATION
| Returns the number of set (non-zero) bits in an integer. |
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BREAKPOINT
| Sets and clears breakpoints for debugging. |
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BYTEORDER
| Converts between host and network byte ordering. |
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CALL_FUNCTION
| Calls an IDL function. |
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CALL_METHOD
| Calls an IDL object method. |
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CALL_PROCEDURE
| Calls an IDL procedure. |
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CODE_COVERAGE
| Returns information on which lines of code within a routine were not executed. |
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COMMAND_LINE_ARGS
| Returns string values supplied when the user starts IDL with the -arg or -args command line options. |
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COMPILE_CODE
| Creates and compiles an IDL function or procedure from a scalar string or string array. |
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COMPILE_OPT
| Change default rules for compiling routines. |
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CPU
| Changes the values stored in the read-only !CPU system variable. |
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CREATE_CURSOR
| Creates an image array from a string array that represents a 16 by 16 cursor. |
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CREATE_STRUCT
| Creates a structure given pairs of tag names and values. |
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DEFINE_KEY
| Programs keyboard function keys. |
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DEFINE_MSGBLK
| Defines and loads a new message block into the current IDL session. |
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DEFINE_MSGBLK_FROM_FILE
| Reads the definition of a message block from a file, and loads it into the current IDL session. |
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DEFSYSV
| Creates a new system variable. |
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DELVAR
| Deletes variables from the main IDL program level. |
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DICTIONARY
| Compound data type that contains key-value pairs of different data types. |
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ENABLE_SYSRTN
| Enables/disables IDL system routines. |
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EXECUTE
| Compiles, executes IDL statements contained in a string. |
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EXIT
| Quits IDL and exits back to the operating system. |
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EXPAND_PATH
| Expands path-definition string into full path name for use with the !PATH system variable. |