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docs: extract template function to their own section 

The functions were located in the data section, which was suboptimal.
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Reto Brunner 2020-05-02 14:06:01 +02:00 committed by Drew DeVault
parent b03a73726d
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doc/aerc-templates.7.scd
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@ -7,7 +7,7 @@ aerc-templates - template file specification for *aerc*(1)
# SYNOPSIS # SYNOPSIS
aerc uses the go "text/template" package for the template parsing. aerc uses the go "text/template" package for the template parsing.
Refer to the go documentation for the general syntax. Refer to the go text/template documentation for the general syntax.
Template files are composed of headers, followed by a newline, followed by the Template files are composed of headers, followed by a newline, followed by the
body text. body text.
@ -62,26 +62,12 @@ available always.
- OriginalDate: Date and Time when the original message of received. - OriginalDate: Date and Time when the original message of received.
Available for quoted reply and forward. Available for quoted reply and forward.
The _dateFormat_ function can be used to format the date and time. To format the date fields, _dateFormat_ and _toLocal_ are provided.
Refer to the _TEMPLATE FUNCTIONS_ section for details.
The _toLocal_ function converts a time to the local time zone.
Example:
Format the date to go's time package format options.
```
{{dateFormat .Date "Mon Jan 2 15:04:05 -0700 MST 2006"}}
```
Format the date in the local time zone.
```
{{dateFormat (.Date | toLocal) "Mon Jan 2 15:04:05 -0700 MST 2006"}}
```
*Subject* *Subject*
The subject of the email is available for quoted reply and forward. The subject of the email is available for quoted reply and forward.
Example:
{{.Subject}} {{.Subject}}
*MIME Type* *MIME Type*
@ -91,33 +77,58 @@ available always.
"text/plain" or "text/html". "text/plain" or "text/html".
*Original Message* *Original Message*
When using quoted reply or forward, the original message is available. When using quoted reply or forward, the original message is available in a
It can be used using two functions that are available to templates. field called ".OriginalText".
Example: ```
{{.OriginalText}}
```
# TEMPLATE FUNCTIONS
Besides the standard functions described in go's text/template documentation,
aerc provides the following additional functions:
*wrap*
Wrap the original text to the specified number of characters per line.
_wrap_ function can be used to wrap the original text to a number
of characters per line.
``` ```
{{wrap 72 .OriginalText}} {{wrap 72 .OriginalText}}
``` ```
_quote_ function prepends each line with "> ". *quote*
Prepends each line with "> ".
``` ```
{{quote .OriginalText}} {{quote .OriginalText}}
``` ```
_exec_ function execute external command to process message. *exec*
Execute external command, provide the second argument to its stdin.
``` ```
{{exec `/usr/local/share/aerc/filters/html`}} {{exec `/usr/local/share/aerc/filters/html` .OriginalText}}
``` ```
All of the above can be chained together if needed, for example. *toLocal*
Convert the date to the local timezone as specified by the locale.
``` ```
{{exec `/usr/local/share/aerc/filters/html` .OriginalText | wrap 72 | quote}} {{toLocal .Date}}
``` ```
Automatic HTML parsing can be achieved. *dateFormat*
Format date and time according to the format passed as the second argument.
The format must be specified according to go's time package format.
```
{{dateFormat .Date "Mon Jan 2 15:04:05 -0700 MST 2006"}}
```
*Function chaining*
All of the template functions can be chained together if needed.
Example: Automatic HTML parsing for text/html mime type messages
``` ```
{{if eq .OriginalMIMEType "text/html"}} {{if eq .OriginalMIMEType "text/html"}}
{{exec `/usr/local/share/aerc/filters/html` .OriginalText | wrap 72 | quote}} {{exec `/usr/local/share/aerc/filters/html` .OriginalText | wrap 72 | quote}}