Summary of Built-in Functions

Table 1. File Handling Functions
Function	Description
escape	Returns an escaped or safe version of the input string.
exists	Checks to see if a file exists on the filesystem.
head	Returns the first line of the file.
rm	Removes a file from the filesystem.
remove	Returns the size of a file.
tail	Return the last line of a file or the last number(n) of lines of a file.

Miscellaneous Functions

Table 2. Miscellaneous Functions
Function	Description
Server Configuration	Examine configuration items.
length	Get the length of data.
Miscellaneous	Functions to execute. regular expression search on string, using pattern.
rand	Generate random integers.

Pair Manipulation

Table 3. Pair Manipulation
Function	Description
debug	Print attributes to the debug output.
immutable	Mark attributes as immutable (cannot be changed).
print	Print attribute name and value to string.

String Manipulation

Table 4. String manipulation
Function	Description
concat	Concatenate strings with delimiters.
split	Split a string based on delimiters.
length	Returns the size of the data.
lpad	Left pad a string.
rpad	Right pad a string.
rand	Return a random string .based on input format
lower	Convert the input string. to lowercase.
upper	Convert the input string. to uppercase

Time Management

Table 5. Time Management
Function	Description
character	Single character. expansions
time	Generic (too complex). time function
is_dst	Is the system running in DST?.
now	Return the current time.
offset	Return UTC offset.
request	Return the time when the request was received.