13.27 POPS
\zxhlp{ABOUT} displays lists and information on tasks, verbs, adverbs
\zxhlp{ABS} returns absolute value of argument
\zxhlp{ACOS} Returns arc cosine of argument (half-circle)
\zxhlp{APROPOS} displays all help 1-line summaries containing specified words
\zxhlp{ARRAY} Declares POPS symbol name and dimensions
\zxhlp{ARRAY1} General scratch array adverb
\zxhlp{ARRAY2} General scratch array adverb
\zxhlp{ARRAY3} General scratch array adverb
\zxhlp{ASIN} Returns arc sine of argument (half-circle)
\zxhlp{ATAN} Returns arc tangent of argument (half-circle)
\zxhlp{ATAN2} Returns arc tangent of two arguments (full circle)
\zxhlp{BY} gives increment to use in \zxhlp{FOR} loops in POPS language
\zxhlp{CATNO} Specifies AIPS catalog slot number range
\zxhlp{CEIL} returns smallest integer greater than or equal the argument
\zxhlp{CHAR} converts number to character string
\zxhlp{CLRTEMP} clears the temporary literal area during a procedure
\zxhlp{COMPRESS} recovers unused POPS address space and new symbols
\zxhlp{CORE} displays the used and total space used by parts of POPS table
\zxhlp{COS} returns cosine of the argument in degrees
\zxhlp{DEBUG} turns on/off the POPS-language’s debug messages
\zxhlp{DEFAULT} Verb-like sets adverbs for a task or verb to initial values
\zxhlp{DELAY} Verb to pause AIPS for \zxhlp{DETIME} seconds
\zxhlp{DELTAX} Increment or size in X direction
\zxhlp{DELTAY} Increment or size in Y direction
\zxhlp{DENUMB} a scalar decimal number
\zxhlp{DOOSRO} calibrating amplitude and phase, and imaging \zxhlp{VLA} data
\zxhlp{DOVLAMP} Produces amp calibration file for phased-\zxhlp{VLA} VLBI data
\zxhlp{DOWNCASE} Convert a string to all lower case letters
\zxhlp{DPARM} General numeric array adverb used many places
\zxhlp{DUMP} displays portions of the POPS symbol table in all formats
\zxhlp{EDIT} enter edit-a-procedure mode in the POPS language
\zxhlp{EHEX} converts decimal to extended hex
\zxhlp{EHNUMB} an extended hexadecimal "number"
\zxhlp{ELSE} starts POPS code done if an IF condition is false (IF-\zxhlp{THEN}..)
\zxhlp{END} marks end of block (\zxhlp{FOR}, \zxhlp{WHILE}, IF) of POPS code
\zxhlp{ENDEDIT} terminates procedure edit mode of POPS input
\zxhlp{ERASE} removes one or more lines from a POPS procedure
\zxhlp{ERROR} was there an error
\zxhlp{EVLA} puts the list of eVLA antennas in the current file on stack
\zxhlp{EXIT} ends an AIPS batch or interactive session
\zxhlp{EXP} returns the exponential of the argument
\zxhlp{EXPLAIN} displays help + extended information describing a task/symbol
\zxhlp{FINISH} terminates the entry and compilation of a procedure
\zxhlp{FLOOR} returns largest integer <= argument
\zxhlp{FOR} starts an iterative sequence of operations in POPS language
\zxhlp{GET} restores previously SAVEd full POPS environment
\zxhlp{GETDATE} Convert the current date and time to a string
\zxhlp{GETPOPSN} Verb to return the pops number on the stack
\zxhlp{GG} spare scalar adverb for use in procedures
\zxhlp{GRANDOM} Finds a random number with mean 0 and rms 1
\zxhlp{HELP} displays information on tasks, verbs, adverbs
\zxhlp{HSA} puts the list of \zxhlp{HSA} antennas in the current file on stack
I spare scalar adverb for use in procedures
IF causes conditional execution of a set of POPS statements
\zxhlp{INP} displays adverb values for task, verb, or proc - quick form
\zxhlp{INPUTS} displays adverb values for task, verb, or proc - to msg file
\zxhlp{ISBATCH} declares current AIPS to be, or not to be, batch-like
J spare scalar adverb for use in procedures
\zxhlp{KLEENEX} ends an AIPS interactive session wiping the slate klean
\zxhlp{LENGTH} returns length of string to last non-blank character
\zxhlp{LIST} displays the source code text for a POPS procedure
\zxhlp{LN} returns the natural logarithm of the argument
\zxhlp{LOG} returns the base-10 logarithm of the argument
\zxhlp{MAX} returns the maximum of its two arguments
\zxhlp{MIN} returns the minimum of its two arguments
\zxhlp{MOD} returns remainder after division of 1st argument by 2nd
\zxhlp{MODIFY} modifies the text of a line of a procedure and recompiles
\zxhlp{MODULUS} returns square root of sum of squares of its two arguments
\zxhlp{NOADVERB} Information about the lack of a defined adverb or verb
\zxhlp{NUMTELL} selects POPS number of task which is the target of a \zxhlp{TELL} or \zxhlp{ABORT}
\zxhlp{NX} General adverb referring to a number of things in the X direction
\zxhlp{NY} General adverb referring to a number of things in the Y direction
\zxhlp{OUTPUTS} displays adverb values returned from task, verb, or proc
\zxhlp{PARALLEL} Verb to set or show degree of parallelism
\zxhlp{PASSWORD} Verb to change the current password for the login user
\zxhlp{PCAT} Verb to list entries in the user’s catalog (no log file).
\zxhlp{PIPEAIPS} calibrating amplitude and phase, and imaging \zxhlp{VLA} data
\zxhlp{POPSDAT} lists all POPS symbols to create them for MEmory files
\zxhlp{POPSYM} Describes the symbols used in POPS
\zxhlp{PRINT} Print the value of an expression
\zxhlp{PRINTER} Verb to set or show the printer(s) used
\zxhlp{PROC} Define a POPS procedure using procedure editor.
\zxhlp{PROCEDUR} Define a POPS procedure using procedure editor
\zxhlp{PSEUDO} Description of POPS pseudoverbs - obsolete list file
\zxhlp{PSEUDOVB} Declares a name to be a symbol of type pseudoverb
\zxhlp{QINP} displays adverb values for task, verb, or proc - restart form
\zxhlp{RANDOM} Compute a random number from 0 to 1
\zxhlp{READ} Read a value from the users terminal
\zxhlp{REHEX} converts extended hex string to decimal
\zxhlp{RENAME} Rename a file (UV or Image)
\zxhlp{RESTART} Verb to trim the message log file and restart AIPS
\zxhlp{RESTORE} Read POPS memory file from a common area.
\zxhlp{RETURN} Exit a procedure allowing a higher level proc to continue.
\zxhlp{RUN} Pseudoverb to read an external \zxhlp{RUN} files into AIPS.
\zxhlp{SAVDEST} Verb to destroy all save files of a user.
\zxhlp{SAVE} Pseudoverb to save full POPS environment in named file
\zxhlp{SCALAR} Declares a variable to be a scalar in a procedure
\zxhlp{SCANLENG} specify length of "scan"
\zxhlp{SCRATCH} delete a procedure from the symbol table.
\zxhlp{SETDEBUG} Verb to set the debug print and execution level
\zxhlp{SG2RUN} Verb copies the K area to a text file suitable for \zxhlp{RUN}
\zxhlp{SGDESTR} Verb-like to destroy named POPS environment save file
\zxhlp{SGINDEX} Verb lists \zxhlp{SAVE} areas by name and time of last \zxhlp{SAVE}.
\zxhlp{SIN} Compute the sine of a value
\zxhlp{SLOT} Specifies AIPS catalog slot number
\zxhlp{SPY} Verb to determine the execution status of all AIPS tasks
\zxhlp{SQRT} Square root function
\zxhlp{STORE} Store current POPS environment
\zxhlp{STQUEUE} Verb to list pending \zxhlp{TELL} operations
\zxhlp{STRING} Declare a symbol to be a string variable in POPS
\zxhlp{SUBMIT} Verb which submits a batch work file to the job queue
\zxhlp{SUBSTR} Function verb to specify a portion of a \zxhlp{STRING} variable
\zxhlp{T1VERB} Temporary verb for testing (also T2VERB...T9VERB)
\zxhlp{TAN} Tangent function
\zxhlp{TAPES} Verb to show the \zxhlp{TAPES}(s) available
\zxhlp{TASK} Name of a task
\zxhlp{TGET} Verb-like gets adverbs from last \zxhlp{GO} of a task
\zxhlp{TGINDEX} Verb lists those tasks for which \zxhlp{TGET} will work.
\zxhlp{THEDATE} contains the date and time in a string form
\zxhlp{THEN} Specified the action if an IF test is true
\zxhlp{TIMDEST} Verb to destroy all files which are too old
\zxhlp{TO} Specifies upper limit of a \zxhlp{FOR} loop
\zxhlp{TPUT} Verb-like puts adverbs from a task in file for TGETs
\zxhlp{TYPE} Type the value of an expression
\zxhlp{UPCASE} Convert a string to all upper case letters
\zxhlp{USAVE} Pseudoverb to save full POPS environment in named file
\zxhlp{VALUE} Convert a string to a numeric value
\zxhlp{VERB} Declares a name to be a symbol of type verb
\zxhlp{VERSION} Specify AIPS version or local task area
\zxhlp{VGET} Verb-like gets adverbs from version task parameter save area
\zxhlp{VGINDEX} Verb lists those tasks for which \zxhlp{VGET} will work.
\zxhlp{VLA} puts the list of \zxhlp{VLA} antennas in the current file on stack
\zxhlp{VLARUN} Calibrating amplitude and phase, and imaging \zxhlp{VLA} data
VLBA puts the list of VLBA antennas in the current file on stack
\zxhlp{VLBAMPHC} applies \zxhlp{VLBARUN} calibration to additional phase stopping centers
\zxhlp{VLBARUN} applies amplitude and phase calibration procs to VLBA data
\zxhlp{VNUMBER} Specifies the task parameter (\zxhlp{VGET}/\zxhlp{VPUT}) save area
\zxhlp{VPUT} Verb-like puts adverbs from a task in files for VGETs
\zxhlp{WAITTASK} halt AIPS until specified task is finished
\zxhlp{WHILE} Start a conditional statement
X spare scalar adverb for use in procedures
\zxhlp{XHELP} Accesses hypertext help system
Y spare scalar adverb for use in procedures