1. gen-epub-book.awk(1)
  2. gen-epub-book.awk(1)

NAME

gen-epub-book.awk - Generate an ePub book from a simple plaintext descriptor

SYNOPSIS

gen-epub-book.awk -v temp

[ng]?awk -f gen-epub-book.awk -v temp

DESCRIPTION

Generate an ePub book from a simple plaintext descriptor.

USAGE

The script requires the user to pass a temporary directory via the temp variable. The systems temporary directory can be found in the $TEMP or $TMP environment variables.

Assuming the former, the full argument will be -v temp="$TEMP".

DESCRIPTOR FORMAT

The descriptor consists of multiple lines in the format "Key: Value", unknown keys are ignored, lines that don't match the format are ignored.

Self

Required: yes
Type: file path
Value: path to file used as descriptor
Use: to extract base directory for relative content paths
Amount: 1
Order: before any content

Out

Required: yes
Type: file path
Value: path to the output file
Use: to extract temporary directory name for assembly
Amount: 1
Order: before any content

Name

Required: yes
Type: plaintext
Value: e-book's title
Amount: 1
Order: irrelevant

Content

Required: no
Type: file path
Value: relative path to (X)HTML chunk
Amount: any
Order: after Self
Remarks: see ADDITIONAL CONTENT PROCESSING

String-Content

Required: no
Type: (X)HTML
Value: (X)HTML string
Amount: any
Order: after Self and Out

Image-Content

Required: no
Type: file path
Value: relative path to image to include in e-book
Amount: any
Order: after Self and Out

Network-Image-Content

Required: no
Type: file URL
Value: URL of image to include in e-book
Amount: any
Order: after Self and Out

Cover

Required: no
Type: file path
Value: relative path to image to use as e-book cover
Amount: 0-1
Order: after Self and Out
Remarks: exclusive with Network-Cover

Network-Cover

Required: no
Type: file URL
Value: URL to image to use as e-book cover
Amount: 0-1
Order: after Self and Out
Remarks: exclusive with Cover

Include

Required: no
Type: file path
Value: auxilliary file to include in e-book
Amount: any

Network-Include

Required: no
Type: file URL
Value: URL of auxilliary file to include in e-book
Amount: any

Description

Required: no
Type: file URL
Value: relative path to book description
Amount: 0-1
Remarks: exclusive with String-Description and Network-Description

String-Description

Required: no
Type: (X)HTML
Value: book description
Amount: 0-1
Remarks: exclusive with Description and Network-Description

Network-Description

Required: no
Type: file URL
Value: URL of book description
Amount: 0-1
Remarks: exclusive with Description and String-Description

Author

Required: yes
Type: plaintext string
Value: e-book's author
Amount: 1
Order: irrelevant

Date

Required: yes
Type: ISO-8601-compliant date
Value: e-book's authoring/publishing date
Amount: 1
Order: irrelevant

Language

Required: yes
Type: BCP47-compliant language code
Value: language used in e-book
Amount: 1
Order: irrelevant

ADDITIONAL CONTENT PROCESSING

When adding content using the Content entry, the file will additinally be searched for a comment specifying the its name in the TOC in this format:

<!-- ePub title: "TOC_NAME" -->

Where TOC_NAME is a string not containing the " character.

This will, on e-book readers, allow users to jump directly to the content represented by the document containing this entry.

Optional.

SUPPORTED AWKS

The script is continually tested against semi-recent GAWK and will work there.

The script doesn't support MAWK.

Need support/testing for some AWK version? Contact me via e-mail or pop into GitHub issues.

AUTHOR

Written by nabijaczleweli <nabijaczleweli@gmail.com>

REPORTING BUGS

<https://github.com/nabijaczleweli/gen-epub-book/issues>

SEE ALSO

<https://github.com/nabijaczleweli/gen-epub-book>

  1. gen-epub-book.awk developers
  2. March 2019
  3. gen-epub-book.awk(1)