before_line

{{before_line text line_number flags="t"}}

Description

Returns a string which is the subset of all lines of text before line number line_number and not including line number line_number itself. If text contains fewer than line_number number of lines, will return the entire contents of text.

Arguments

text

The input string.

line_number

The boundary line number.

flags

• t trim the final result prior to returning (remove all whitespace from beginning and end)

Examples

For the following examples, assume that email.body contains four lines of text:

This is line 1.
This is line 2.
This is line 3.
This is line 4.

Example 1: Return the first 2 lines

{{before_line email.body '3' flags='t'}}

The above example will output:

This is line 1.
This is line 2.

Example 2: Return all lines when requested line doesn't exist

{{before_line email.body '15' flags='t'}}

The above example will output:

This is line 1.
This is line 2.
This is line 3.
This is line 4.