Function

Type

Description

concat

TEXT

concatenates two strings

count

NUMBER

Aggregate Function to count a group of values

entryattr

TEXT

returns a user defined attribute value of an entry

ismov

BOOLEAN

filters files which end by .ts;.mpg;.mpeg;.MPG;.MPEG;.wmv;.avi;.AVI;.mp4;.WMV;.MP4;.iso;.divx;.DIVX;.mkv;.m4v;.f4v;.asf;.mov;.flv;.vob

ispic

BOOLEAN

filters files which end by .jpg;.jpeg;.png

istxt

BOOLEAN

filters files which end by .txt;.log;.text

max

NUMBER

Aggregate Function to aggregate a max over a group of values

metatagattr

TEXT

returns a user defined attribute value of a tag

min

NUMBER

Aggregate Function to aggregate a min over a group of values

regexextract

TEXT

extracts a string by a regex pattern

removedigits

TEXT

removes all digit characters from the string

removeletters

TEXT

removes all letter characters from the string

replaceall

TEXT

replaces a all occurences of string regex expression with another string

retaindigits

TEXT

removes all non-digit characters from the string

retainletters

TEXT

removes all non-letter characters from the string

seq

TEXT

maps a string to a unique number

split

TEXT

splits a string by a delimiter

strlen

NUMBER

returns the length of a string value

subst

BOOLEAN

substitutes a bool expression defined by a bookmark

sum

NUMBER

Aggregate Function to aggregate a sum over a group of values

tagattr

TEXT

returns a user defined attribute value of a tag

tonum

NUMBER

converts a text value into a number