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EBOOK-CONVERT

NAME

ebook-convert − ebook-convert

ebook−convert input_file output_file [options]

Convert an e−book from one format to another.

input_file is the input and output_file is the output. Both must be specified as the first two arguments to the command.

The output e−book format is guessed from the file extension of output_file. output_file can also be of the special format .EXT where EXT is the output file extension. In this case, the name of the output file is derived from the name of the input file. Note that the filenames must not start with a hyphen. Finally, if output_file has no extension, then it is treated as a directory and an «open e−book» (OEB) consisting of HTML files is written to that directory. These files are the files that would normally have been passed to the output plugin.

After specifying the input and output file you can customize the conversion by specifying various options. The available options depend on the input and output file types. To get help on them specify the input and output file and then use the −h option.

For full documentation of the conversion system see conversion

Whenever you pass arguments to ebook−convert that have spaces in them, enclose the arguments in quotation marks. For example: «/some path/with spaces»

The options and default values for the options change depending on both the input and output formats, so you should always check with:

ebook−convert myfile.input_format myfile.output_format −h

Below are the options that are common to all conversion, followed by the options specific to every input and output format.

ΠΑΡΑΜΕΤΡΟΙ ΕΙΣΑΓΩΓΗΣ

ΠΑΡΑΜΕΤΡΟΙ ΕΞΑΓΩΓΗΣ

LOOK AND FEEL

HEURISTIC PROCESSING

ΑΝΑΖΗΤΗΣΗ ΚΑΙ ΑΝΤΙΚΑΤΑΣΤΑΣΗ

STRUCTURE DETECTION

ΠΙΝΑΚΑΣ ΠΕΡΙΕΧΟΜΕΝΩΝ

ΜΕΤΑΔΕΔΟΜΕΝΑ

DEBUG

−−help, −h

Εμφάνιση μηνύματος βοήθειας και έξοδος

−−input−profile

Προσδιορισμός του περιγράμματος εισαγωγής. Το περίγραμμα εισαγωγής δίνει πληροφορίες στο σύστημα μετατροπής για το πως θα ερμηνεύσει διάφορα στοιχεία στο εισαγόμενο έγγραφο. Π.χ. αποστάσεις που εξαρτώνται από την ανάλυση (αποστάσεις σε pixels). Οι επιλογές είναι:cybookg3, cybook_opus, default, hanlinv3, hanlinv5, illiad, irexdr1000, irexdr800, kindle, msreader, mobipocket, nook, sony, sony300, sony900

−−list−recipes

List builtin recipe names. You can create an e−book from a builtin recipe like this: ebook−convert "Recipe Name.recipe" output.epub

−−output−profile

Specify the output profile. The output profile tells the conversion system how to optimize the created document for the specified device (such as by resizing images for the device screen size). In some cases, an output profile can be used to optimize the output for a particular device, but this is rarely necessary. Choices are:cybookg3, cybook_opus, default, generic_eink, generic_eink_hd, generic_eink_large, hanlinv3, hanlinv5, illiad, ipad, ipad3, irexdr1000, irexdr800, jetbook5, kindle, kindle_dx, kindle_fire, kindle_pw, kindle_pw3, kindle_voyage, kobo, msreader, mobipocket, nook, nook_color, nook_hd_plus, pocketbook_900, pocketbook_pro_912, galaxy, sony, sony300, sony900, sony−landscape, sonyt3, tablet

−−version

show program's version number and exit

ΠΑΡΑΜΕΤΡΟΙΕΙΣΑΓΩΓΗΣ

Παράμετροι για τον έλεγχο της επεξεργασίας του εισαγόμενου αρχείου mobi
−−input−encoding

Προσδιορισμός κωδικοποίησης χαρακτήρων του εισαγόμενου εγγράφου. Αυτή η επιλογή, αν καθορισθεί, θα έχει προτεραιότητα έναντι οποιασδήποτε άλλης κωδικοποίησης που έχει δηλωθεί από το ίδιο το έγγραφο. Ιδιαιτέρως χρήσιμο για έγγραφα που δεν δηλώνουν κωδικοποίηση ή διαθέτουν εσφαλμένη δήλωση κωδικοποίησης.

ΠΑΡΑΜΕΤΡΟΙΕΞΑΓΩΓΗΣ

Παράμετροι για τον έλεγχο της επεξεργασίας του εξαγόμενου αρχείου epub
−−dont−split−on−page−breaks

Turn off splitting at page breaks. Normally, input files are automatically split at every page break into two files. This gives an output e−book that can be parsed faster and with less resources. However, splitting is slow and if your source file contains a very large number of page breaks, you should turn off splitting on page breaks.

−−epub−flatten

This option is needed only if you intend to use the EPUB with FBReaderJ. It will flatten the file system inside the EPUB, putting all files into the top level.

−−epub−inline−toc

Insert an inline Table of Contents that will appear as part of the main book content.

−−epub−toc−at−end

Put the inserted inline Table of Contents at the end of the book instead of the start.

−−extract−to

Extract the contents of the generated EPUB file to the specified directory. The contents of the directory are first deleted, so be careful.

−−flow−size

Split all HTML files larger than this size (in KB). This is necessary as most EPUB readers cannot handle large file sizes. The default of 260KB is the size required for Adobe Digital Editions. Set to 0 to disable size based splitting.

−−no−default−epub−cover

Normally, if the input file has no cover and you don't specify one, a default cover is generated with the title, authors, etc. This option disables the generation of this cover.

−−no−svg−cover

Do not use SVG for the book cover. Use this option if your EPUB is going to be used on a device that does not support SVG, like the iPhone or the JetBook Lite. Without this option, such devices will display the cover as a blank page.

−−preserve−cover−aspect−ratio

When using an SVG cover, this option will cause the cover to scale to cover the available screen area, but still preserve its aspect ratio (ratio of width to height). That means there may be white borders at the sides or top and bottom of the image, but the image will never be distorted. Without this option the image may be slightly distorted, but there will be no borders.

−−pretty−print

Αν προσδιορισθεί, το πρόσθετο εξόδου θα προσπαθήσει να δημιουργήσει εξαγόμενα όσο το δυνατόν ανθρωπίνως αναγνώσιμα. Για ορισμένα πρόσθετα εξόδου μπορεί να μην έχει κανένα αποτέλεσμα.

−−toc−title

Title for any generated in−line table of contents.

LOOK AND FEEL

Παράμετροι για τον έλεγχο της εμφάνισης και του ύφους των εξαγομένων
−−asciiize

Transliterate unicode characters to an ASCII representation. Use with care because this will replace unicode characters with ASCII. For instance it will replace "Михаил Горбачёв" with "Mikhail Gorbachiov". Also, note that in cases where there are multiple representations of a character (characters shared by Chinese and Japanese for instance) the representation based on the current calibre interface language will be used.

−−base−font−size

Το μέγεθος αναφοράς, των γραμματοσειρών , σε σημεία (pts). Όλα τα μεγέθη γραμματοσειρών στο παραγόμενο βιβλίο θα κλιμακωθούν βασιζόμενα σ'αυτό το μέγεθος. Επιλέγοντας μεγαλύτερο μέγεθος μεγενθύνονται οι γραμματοσειρές στα εξαγόμενα κείμενα και αντίστροφα. Αρχικά, το μέγεθος αναφοράς επιλέγεται βάσει του περιγράμματος εξαγωγής που επιλέξατε.

−−change−justification

Change text justification. A value of "left" converts all justified text in the source to left aligned (i.e. unjustified) text. A value of "justify" converts all unjustified text to justified. A value of "original" (the default) does not change justification in the source file. Note that only some output formats support justification.

−−disable−font−rescaling

Απενεργοποίηση της επανακλιμάκωσης των μεγεθών των γραμματοσειρών.

−−embed−all−fonts

Embed every font that is referenced in the input document but not already embedded. This will search your system for the fonts, and if found, they will be embedded. Embedding will only work if the format you are converting to supports embedded fonts, such as EPUB, AZW3, DOCX or PDF. Please ensure that you have the proper license for embedding the fonts used in this document.

−−embed−font−family

Embed the specified font family into the book. This specifies the "base" font used for the book. If the input document specifies its own fonts, they may override this base font. You can use the filter style information option to remove fonts from the input document. Note that font embedding only works with some output formats, principally EPUB, AZW3 and DOCX.

−−expand−css

By default, calibre will use the shorthand form for various CSS properties such as margin, padding, border, etc. This option will cause it to use the full expanded form instead. Note that CSS is always expanded when generating EPUB files with the output profile set to one of the Nook profiles as the Nook cannot handle shorthand CSS.

−−extra−css

Either the path to a CSS stylesheet or raw CSS. This CSS will be appended to the style rules from the source file, so it can be used to override those rules.

−−filter−css

A comma separated list of CSS properties that will be removed from all CSS style rules. This is useful if the presence of some style information prevents it from being overridden on your device. For example: font−family,color,margin−left,margin−right

−−font−size−mapping

Αντιστοίχιση ονομασιών/μεγεθών, σε σημεία (pts), για τις γραμματοσειρές CSS. Π.χ. 12,12,14,16,18,20,22,24. Αυτές είναι οι αντιστοιχίσεις για τα μεγέθη πολύ πολύ μικρή (xx−small) έως πολύ πολύ μεγάλη (xx−large), με το τελικό μέγεθος να αντιστοιχεί σε τεράστια γραμματοσειρά. Ο αλγόριθμος κλιμάκωσης γραμματοσειρών χρησιμοποιεί αυτά τα μεγέθη για να επανακλιμακώνει, με έξυπνο τρόπο, τις γραμματοσειρές. Η αρχική αντιστοίχιση που χρησιμοποιείται εξαρτάται από το περίγραμμα εξαγωγής που επιλέξατε.

−−insert−blank−line

Insert a blank line between paragraphs. Will not work if the source file does not use paragraphs (<p> or <div> tags).

−−insert−blank−line−size

Set the height of the inserted blank lines (in em). The height of the lines between paragraphs will be twice the value set here.

−−keep−ligatures

Preserve ligatures present in the input document. A ligature is a special rendering of a pair of characters like ff, fi, fl et cetera. Most readers do not have support for ligatures in their default fonts, so they are unlikely to render correctly. By default, calibre will turn a ligature into the corresponding pair of normal characters. This option will preserve them instead.

−−line−height

The line height in pts. Controls spacing between consecutive lines of text. Only applies to elements that do not define their own line height. In most cases, the minimum line height option is more useful. By default no line height manipulation is performed.

−−linearize−tables

Μερικά κακοσχεδιασμένα έγγραφα χρησιμοποιούν πίνακες για να ελέγξουν τη διάταξη του κειμένου στη σελίδα. Όταν μετατρέπονται, μέρος του κειμένου συχνά βγαίνει εκτός της σελίδας ή παρατηρούνται άλλες ανωμαλίες. Αυτή η παράμετρος εξαγάγει το περιεχόμενο απ'αυτούς τους πίνακες και το παρουσιάζει με γραμμικό τρόπο.

−−margin−bottom

Set the bottom margin in pts. Default is 5.0. Setting this to less than zero will cause no margin to be set (the margin setting in the original document will be preserved). Note: Page oriented formats such as PDF and DOCX have their own margin settings that take precedence.

−−margin−left

Set the left margin in pts. Default is 5.0. Setting this to less than zero will cause no margin to be set (the margin setting in the original document will be preserved). Note: Page oriented formats such as PDF and DOCX have their own margin settings that take precedence.

−−margin−right

Set the right margin in pts. Default is 5.0. Setting this to less than zero will cause no margin to be set (the margin setting in the original document will be preserved). Note: Page oriented formats such as PDF and DOCX have their own margin settings that take precedence.

−−margin−top

Set the top margin in pts. Default is 5.0. Setting this to less than zero will cause no margin to be set (the margin setting in the original document will be preserved). Note: Page oriented formats such as PDF and DOCX have their own margin settings that take precedence.

−−minimum−line−height

The minimum line height, as a percentage of the element's calculated font size. calibre will ensure that every element has a line height of at least this setting, irrespective of what the input document specifies. Set to zero to disable. Default is 120%. Use this setting in preference to the direct line height specification, unless you know what you are doing. For example, you can achieve "double spaced" text by setting this to 240.

−−remove−paragraph−spacing

Remove spacing between paragraphs. Also sets an indent on paragraphs of 1.5em. Spacing removal will not work if the source file does not use paragraphs (<p> or <div> tags).

−−remove−paragraph−spacing−indent−size

When calibre removes blank lines between paragraphs, it automatically sets a paragraph indent, to ensure that paragraphs can be easily distinguished. This option controls the width of that indent (in em). If you set this value negative, then the indent specified in the input document is used, that is, calibre does not change the indentation.

−−smarten−punctuation

Convert plain quotes, dashes and ellipsis to their typographically correct equivalents. For details, see https://daringfireball.net/projects/smartypants

−−subset−embedded−fonts

Subset all embedded fonts. Every embedded font is reduced to contain only the glyphs used in this document. This decreases the size of the font files. Useful if you are embedding a particularly large font with lots of unused glyphs.

−−transform−css−rules

Path to a file containing rules to transform the CSS styles in this book. The easiest way to create such a file is to use the wizard for creating rules in the calibre GUI. Access it in the "Look & feel−>Transform styles" section of the conversion dialog. Once you create the rules, you can use the "Export" button to save them to a file.

−−unsmarten−punctuation

Convert fancy quotes, dashes and ellipsis to their plain equivalents.

HEURISTIC PROCESSING

Modify the document text and structure using common patterns. Disabled by default. Use –enable−heuristics to enable. Individual actions can be disabled with the –disable−* options.
−−disable−dehyphenate

Analyze hyphenated words throughout the document. The document itself is used as a dictionary to determine whether hyphens should be retained or removed.

−−disable−delete−blank−paragraphs

Αφαίρεση άδειων παραγράφων από το κείμενο, όταν υπάρχουν μεταξύ κάθε άλλης παραγράφου

−−disable−fix−indents

Turn indentation created from multiple non−breaking space entities into CSS indents.

−−disable−format−scene−breaks

Left aligned scene break markers are center aligned. Replace soft scene breaks that use multiple blank lines with horizontal rules.

−−disable−italicize−common−cases

Look for common words and patterns that denote italics and italicize them.

−−disable−markup−chapter−headings

Detect unformatted chapter headings and sub headings. Change them to h2 and h3 tags. This setting will not create a TOC, but can be used in conjunction with structure detection to create one.

−−disable−renumber−headings

Looks for occurrences of sequential <h1> or <h2> tags. The tags are renumbered to prevent splitting in the middle of chapter headings.

−−disable−unwrap−lines

Unwrap lines using punctuation and other formatting clues.

−−enable−heuristics

Enable heuristic processing. This option must be set for any heuristic processing to take place.

−−html−unwrap−factor

Scale used to determine the length at which a line should be unwrapped. Valid values are a decimal between 0 and 1. The default is 0.4, just below the median line length. If only a few lines in the document require unwrapping this value should be reduced

−−replace−scene−breaks

Replace scene breaks with the specified text. By default, the text from the input document is used.

ΑΝΑΖΗΤΗΣΗ ΚΑΙΑΝΤΙΚΑΤΑΣΤΑΣΗ

Modify the document text and structure using user defined patterns.
−−search−replace

Path to a file containing search and replace regular expressions. The file must contain alternating lines of regular expression followed by replacement pattern (which can be an empty line). The regular expression must be in the Python regex syntax and the file must be UTF−8 encoded.

−−sr1−replace

Replacement to replace the text found with sr1−search.

−−sr1−search

Search pattern (regular expression) to be replaced with sr1−replace.

−−sr2−replace

Replacement to replace the text found with sr2−search.

−−sr2−search

Search pattern (regular expression) to be replaced with sr2−replace.

−−sr3−replace

Replacement to replace the text found with sr3−search.

−−sr3−search

Search pattern (regular expression) to be replaced with sr3−replace.

STRUCTURE DETECTION

Έλεγχος αυτόματου εντοπισμού της δομής του εγγράφου
−−chapter

An XPath expression to detect chapter titles. The default is to consider <h1> or <h2> tags that contain the words "chapter", "book", "section", "prologue", "epilogue" or "part" as chapter titles as well as any tags that have class="chapter". The expression used must evaluate to a list of elements. To disable chapter detection, use the expression "/". See the XPath Tutorial in the calibre User Manual for further help on using this feature.

−−chapter−mark

Specify how to mark detected chapters. A value of "pagebreak" will insert page breaks before chapters. A value of "rule" will insert a line before chapters. A value of "none" will disable chapter marking and a value of "both" will use both page breaks and lines to mark chapters.

−−disable−remove−fake−margins

Some documents specify page margins by specifying a left and right margin on each individual paragraph. calibre will try to detect and remove these margins. Sometimes, this can cause the removal of margins that should not have been removed. In this case you can disable the removal.

−−insert−metadata

Insert the book metadata at the start of the book. This is useful if your e−book reader does not support displaying/searching metadata directly.

−−page−breaks−before

An XPath expression. Page breaks are inserted before the specified elements. To disable use the expression: /

−−prefer−metadata−cover

Use the cover detected from the source file in preference to the specified cover.

−−remove−first−image

Remove the first image from the input e−book. Useful if the input document has a cover image that is not identified as a cover. In this case, if you set a cover in calibre, the output document will end up with two cover images if you do not specify this option.

−−start−reading−at

An XPath expression to detect the location in the document at which to start reading. Some e−book reading programs (most prominently the Kindle) use this location as the position at which to open the book. See the XPath tutorial in the calibre User Manual for further help using this feature.

ΠΙΝΑΚΑΣΠΕΡΙΕΧΟΜΕΝΩΝ

Έλεγχος αυτόματης παραγωγής ενός Πίνακα Περιεχομένων. Ως αρχική τιμή, αν το αρχείο προέλευσης έχει Πίνακα Περιεχομένων, αυτός θα χρησιμοποιηθεί κατά προτεραιότητα σε σχέση μ’εκείνον που παράγεται αυτόματα.
−−duplicate−links−in−toc

When creating a TOC from links in the input document, allow duplicate entries, i.e. allow more than one entry with the same text, provided that they point to a different location.

−−level1−toc

XPath expression that specifies all tags that should be added to the Table of Contents at level one. If this is specified, it takes precedence over other forms of auto−detection. See the XPath Tutorial in the calibre User Manual for examples.

−−level2−toc

XPath expression that specifies all tags that should be added to the Table of Contents at level two. Each entry is added under the previous level one entry. See the XPath Tutorial in the calibre User Manual for examples.

−−level3−toc

XPath expression that specifies all tags that should be added to the Table of Contents at level three. Each entry is added under the previous level two entry. See the XPath Tutorial in the calibre User Manual for examples.

−−max−toc−links

Μέγιστος αριθμός συνδέσμων που θα προστεθούν στον Πίνακα Περιεχομένων. Δώστε τιμή 0 για απενεργοποίηση. Αρχική τιμή : 50. Μόνο αν εντοπιστούν λιγότερα κεφάλαια από την τιμή−όριο θα προστεθούν σύνδεσμοι στον Πίνακα Περιεχομένων.

−−no−chapters−in−toc

Να μην προστεθούν κεφάλαια, που έχουν εντοπιστεί αυτόματα, στον Πίνακα Περιεχομένων

−−toc−filter

Αφαίρεση των καταχωρήσεων, από τον Πίνακα Περιεχομένων, των οποίων οι τίτλοι ταιριάζουν σε μια προσδιορισμένη κανονική έκφραση. Οι καταχωρήσεις που ταιριάζουν και τα παιδιά τους αφαιρούνται.

−−toc−threshold

Αν εντοπιστούν κεφάλαια λιγότερα απ'αυτόν εδώ τον αριθμό, να προστεθούν σύνδεσμοι στον Πίνακα Περιεχομένων. Αρχική τιμή : 6

−−use−auto−toc

Κανονικά, αν το αρχείο−πηγή έχει ήδη Πίνακα Περιεχομένων, αυτός χρησιμοποιείται αντί εκείνου που παράγεται αυτόματα. Μ'αυτή εδώ την παράμετρο, χρησιμοποιείται πάντα ο αυτόματα παραγόμενος.

ΜΕΤΑΔΕΔΟΜΕΝΑ

Παράμετροι για τον καθορισμό των μεταδεδομένων στα εξαγόμενα
−−author−sort

Η συμβολοσειρά που θα χρησιμοποιηθεί κατά την ταξινόμηση κατά όνομα συγγραφέα.

−−authors

Εισαγωγή συγγραφέων. Πολλαπλοί συγγραφείς θα πρέπει να διαχωρίζονται από το σύμβολο &.

−−book−producer

Καθορισμός του εκδότη του βιβλίου.

−−comments

Set the e−book description.

−−cover

Set the cover to the specified file or URL

−−isbn

Εισαγωγή του κωδικού ISBN του βιβλίου

−−language

Ρυθμίστε την γλώσσα.

−−pubdate

Set the publication date (assumed to be in the local timezone, unless the timezone is explicitly specified)

−−publisher

Set the e−book publisher.

−−rating

Καταχώρηση βαθμολογίας. Επιλέξτε ένα νούμερο από 1 έως και 5.

−−read−metadata−from−opf, −−from−opf, −m

Ανάγνωση μεταδεδομένων από τo προσδιορισθέν αρχείο OPF. Τα μεταδεδομένα που θα διαβαστούν απ' αυτό το αρχείο θα υπερισχύσουν των μεταδομένων του πηγαίου αρχείου.

−−series

Set the series this e−book belongs to.

−−series−index

Set the index of the book in this series.

−−tags

Set the tags for the book. Should be a comma separated list.

−−timestamp

Set the book timestamp (no longer used anywhere)

−−title

Εισαγωγή τίτλου.

−−title−sort

The version of the title to be used for sorting.

DEBUG

Παράμετροι που βοηθούν στη διόρθωση (αποσφαλμάτωση) της μετατροπής
−−debug−pipeline, −d

Αποθήκευση των εξαγομένων από διαφορετικά στάδια της διαδικασίας μετατροπής, στον φάκελο που έχει προσδιοριστεί. Χρήσιμο όταν δε γνωρίζετε το ακριβές στάδιο της διαδικασίας μετατροπής όπου εμφανίζεται κάποιο σφάλμα.

−−verbose, −v

Level of verbosity. Specify multiple times for greater verbosity. Specifying it twice will result in full verbosity, once medium verbosity and zero times least verbosity.

AUTHOR

Kovid Goyal

COPYRIGHT

Kovid Goyal

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