Vortex has many builtin functions that provide additional
functionality. Most of these functions take arguments; each argument
is either a single variable or a literal string. Each function
returns a value in the special variable $ret (except as noted).
sum - return sum of variable values fmt , strfmt - formatted output fmtcp - set fmt control parameters fmtinfo - get fmt control parameters mm - enable/disable automatic hit markup sb - enable/disable automatic search and replace apicp - modify Metamorph query control parameters apiinfo - get current Metamorph query control parameters sqlcp - modify low-level SQL control parameters pagelinks - paginate SQL results flush - flush output header - print HTTP header rex , split - regular expression search sandr - regular expression search and replace strstr , strstri - find substring in string substr - extract substring from string strcmp , strcmpi - compare strings strncmp , strnicmp - compare strings, fixed length strlen - length of string strrev - reverse string upper - convert to upper case lower - convert to lower case strfold - fold string by case strfoldcmp - compare strings folded by case sort - sort variables uniq , uniqcount - produce unique list of values count - return number of variable values strtonum - convert string to number rand - generate pseudo-random number randpick - return pseudo-random value of a variable srand - seed the pseudo-random number generator exit - exit program fetch - fetch URLs submit - submit HTML form urlinfo - get detailed page info urltext , urllinks - get formatted text, URL links urlcp - modify URL control parameters urlutil - URL/network utility nslookup - domain name and IP address lookup nsinfo - get info from last name lookup options - print options list radiobutton - print radio buttons list checkbox - print checkbox list doctype - print DOCTYPE declaration cal - print a calendar with links calrule - translate a calendar rule and iterate dates calendar - print calendar form caldate - create date list from calendar submission clist - create comma-separated list slist - create Metamorph set list wordlist , wordcount , wordoccurrencecounts - get words and frequencies from index createdb - create database adminsql - execute arbitrary SQL loguser - log user accesses userstats - get user statistics resetstats - reset user statistics abstract - generate an abstract from text rmcommon - remove common prefix/suffix from text pwencrypt - encrypt/hash password Unix-style encrypt - encrypt data decrypt - decrypt data readvars - read URL-encoded variables varinfo - get miscellaneous variable information getvar - get variable values setvar - set a named variable push - push values into a variable pop - pop value off a variable slice - get sequence of values from a variable vxcp - set Vortex control parameters vxinfo - get miscellaneous Vortex information hash - produce a hash or checksum for data geo2code - latitude/longitude encoding for regional search code2geo - decode latitude/longitude encoding pdfxml - convert Metamorph hit to PDF markup information xtree - maintain sorted list of values profiler - assist in searching query profiles read - read files send - print raw data spew - print files sleep - sleep for a while sysinfo - get system-specific information syscp - set system-specific information sysutil - file and system utilities stat - obtain file size and attributes watchpath - watch a file or directory for changes getpid - get process id procexists - see if process exists kill - terminate or send a signal to a process loadavg - return system load averages
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