Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/docs/tools/mutool-run.rst @ 20:eb3dd22fef2c

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FIX: the new "sdist" build target is PHONY also
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 22:04:13 +0200
parents b50eed0cc0ef
children
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1 mutool run
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2 ==========================================
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4 The ``run`` command executes a Javascript program, which has access to most of the features of the MuPDF library.
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5 The command supports ECMAScript 5 syntax in strict mode.
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7 .. code-block:: bash
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9 mutool run script.js [ arguments ... ]
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11 ``script.js``
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12 The Javascript file which you would like to run.
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14 ``[ arguments ... ]``
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15 Any extra arguments you want to pass to the script.
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16 These are available in the global ``scriptArgs`` array.
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18 If invoked without any arguments, it will drop you into an interactive REPL (read-eval-print-loop).
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19 To exit call the ``quit()`` function or press *Ctrl-D*.
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21 Environment
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22 -----------
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24 Command line arguments are accessible from the global ``scriptArgs`` array.
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25 The name of the script is in the global ``scriptPath`` variable.
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27 The following functions are only available in the mutool run shell:
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29 ``require(module)``
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30 Load a Javascript module.
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32 ``repr(value)``
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33 Convert any Javascript value to a string.
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35 ``gc(report)``
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36 Run the garbage collector to free up memory. Optionally report statistics on the garbage collection.
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38 ``load(fileName)``
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39 Load and execute script in "fileName".
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41 ``print(...)``
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42 Print arguments to ``stdout``, separated by spaces and followed by a newline.
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44 ``quit()``
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45 Exit the shell.
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47 ``read(fileName)``
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48 Read the contents of a file and return them as a UTF-8 decoded string.
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50 ``readFile(fileName)``
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51 Read the contents from a file and return them as a Buffer.
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53 ``readline()``
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54 Read one line of input from standard input and return it as a string.
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56 ``write(...)``
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57 Print arguments to ``stdout``, separated by spaces.
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59 Node Compatibility
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60 ------------------
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62 For compatibility with Node the following objects are provided:
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64 ``process.argv``
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65 The command line arguments.
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67 ``fs.readFileSync``
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68 Read a file into a buffer.
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70 ``fs.writeFileSync``
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71 Write a buffer to file.
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73 The following ESM import statements are ignored:
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75 .. code-block::
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77 import * as fs from "fs"
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78 import * as mupdf from "mupdf"
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80 If you only use these functions and otherwise stick to ES5 syntax and CommonJS
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81 imports, your scripts should be able to run both with mutool run and Node.