pdf-reader | The PDF::Reader library implements a PDF parser conforming as much as possible to the PDF specificat | Document Editor library
kandi X-RAY | pdf-reader Summary
kandi X-RAY | pdf-reader Summary
The PDF::Reader library implements a PDF parser conforming as much as possible to the PDF specification from Adobe.
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Top functions reviewed by kandi - BETA
- Serialize the csv file .
- Save the image .
- Save the image to the image .
- Group the DICOM file group
- Recursively converts UTF - 8 strings into UTF - 8
- process a font file
- Returns an array of pages objects
- Returns the metadata of the metadata .
- Get the number of pages of a page
pdf-reader Key Features
pdf-reader Examples and Code Snippets
Community Discussions
Trending Discussions on pdf-reader
QUESTION
How do I parse and extract the 4 important columns from a text table of the following format? These are bank transaction line items extracted from a PDF using Ruby's pdf-reader
package - as you can see the spacing between columns is very irregular between various columns.
ANSWER
Answered 2022-Feb-26 at 22:35QUESTION
I am on Pycharm and wish to install the pyansys package, but I keep getting this error:
...ANSWER
Answered 2022-Feb-12 at 03:27So it seems like 'ansys-dpf-reader' was changed to 'ansys-dpf-post' and the 'pyansys' is not a pacakge anymore, but has now expanded into these 5 packages. Installing all of them will allow the normal use of the old pyansys.
QUESTION
I am experimenting with adding sorbet type information to my gem, pdf-reader. I don't want sorbet to be a runtime dependency for the gem, so all type annotations are in an external file in the rbi/
directory. I also can't extend T::Sig
in my classes.
I'd like to enable typed: strict
in some files, but doing so flags that I'm using some instance variables without type annotations:
ANSWER
Answered 2021-Dec-29 at 12:31According to the documentation "The syntax of RBI files is the same as normal Ruby files, except that method definitions do not need implementations." So, the syntax for declaring the type of an instance variable in an RBI file is the same as in a Ruby file:
QUESTION
I maintain the pdf-reader ruby gem and I'm using it to experiment with sorbet. I have no prior experience with sorbet.
I'd like to use types to improve the development experience, and distribute the type info with the gem so downstream users who use sorbet can benefit. However, I'd like to avoid adding a runtime sorbet dependency. Most downstream users do not use sorbet, and they shouldn't gain a new runtime dependency.
I think that means I should distribute the type info as a *.rbi file(s) inside the top level rbi/
directory. I'm not able to inline the types into my source (extend T::Sig
, etc).
During development (and test/ci) the type info in rbi/*.rbi
is useful for static type checking. However I can't rely on the types being correct at runtime (where downstream users might pass different types), so in some cases I still want to confirm the type like this:
ANSWER
Answered 2021-Nov-21 at 16:39Add a helper validation method:
QUESTION
I am trying to build react prod docker container with Azure DevOps pipelines. After I upgrade my build environment and code, Pipeline failed. After some research I add "--node-flags --max-old-space-size=8192" statement my build command. But it didn't matter. I also try tried relevant node containers for a build, it didn't work.
...ANSWER
Answered 2021-Jul-04 at 12:19I was aware that the "--max-old-space-size=8192" parameter does not pass to build. So I dedided to add ENV in Dockerfile like " ENV NODE_OPTIONS="--max-old-space-size=8192"". Finally my Dockerfile transformed to:
QUESTION
My Python3 script sits on a webserver and receives a pdf-file sent to it via internet. So, the pdf-file exists already in RAM as the content of a variabel which is a bytesstring:
...ANSWER
Answered 2021-May-08 at 19:21If some function works with file handler created by open()
QUESTION
Long story short, when you use a Web browser control and VBA
to open a pdf file embbeded in a form, the pdf reader fires the print event automatically.
Current setup Win1064Bit/Office365 version 16.0.13628.20234 / Foxit Reader
Here is a screenshot to illustrate what happens
The event is so annoying that it's fired not once, but twice.
Code used to open the PDF file
...ANSWER
Answered 2021-Feb-13 at 02:54Change the Foxit Reader preferences like this
Open Foxit Reader
Go to File | Preferences | Documents
Uncheck "In web browser, display PDF in Read Mode by default"
QUESTION
I have PDF files from which I have to extract certain paragraph. I converted the PDF to text file using pdf-reader gem and now I am trying to extract the paragraph from the text using regular expressions.
my text looks like this after conversion
48 - Pin TSOP I (12 x 20 / 0.5 mm pitch)\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nGENERAL DESCRIPTION\n Offered in 1G x 8bit, the K9K8 is a 8G-bit NAND Flash Memo ry with spare 256M-bit. Its NAND cell provides the most cost-\n\n effective solution for the solid state application marke t. A program operation can be performed in typical 200 µs on the (2K+64)Byte\n page and an erase operation can be performed in typical 1.5ms on a (128K+4K)Byte block. Data in the data register can be read out\n at 25ns(K9NBG) cycle time per Byte. The I/O pins serve as the ports for address and data input/output as well as com-\n\n mand input. The on-chip write controller aut omates all program and erase functions in cluding pulse repetition, where required, and\n internal verification and margining of data. Even the writ e-intensive systems can take advantage of the K9K8G08U0M ′s extended\n reliability of 100K program/eras e cycles by providing ECC(Error Correc) with real time mapping-out algorithm. The\n\n K9K8G08U0M is an optimum solution for large nonvolatile storage appl ications such as solid state file storage and other portabl e\n applications requiring non-volatility.\n An ultra high density solution having two 8Gb stacked with twochip selects is also available in standard TSOPI package and another\n\n ultra high density solution having two 16Gb TSOPI package stacked with four chip selects is also available in TSOPI-DSP.\n\n\n\n\n\n\n\ntsopi dhf ghghgfhggfg hhhdhdggdj....
I want to extract the text from GENERAL DESCRIPTION to the end of the paragraph where we have multiple new lines(at least 3 \n). I have implemented following method but it is only able to extract the first line from the paragraph
...ANSWER
Answered 2020-Oct-22 at 11:05Maybe split
is enough here:
QUESTION
I have a simple one-page searchable PDF that is uploaded to a Rails 6 application model (Car) using Active Storage. I can extract the text from the PDF using the 'tempfile' and 'pdf-reader' gems in the Rails console:
...ANSWER
Answered 2020-Oct-04 at 12:08The difference looks like it's with your @car
variable.
In the console you have a blob attached (@car.creport.attached? => true
). In your controller, you're initializing a new instance of the Car class, so unless you have some initialization going on that attaches something in the background, that will be nil.
Why that would return a 'file not found' error I'm not sure, but from what I can see that's the only difference between code samples. You're trying to write @car.creport.blob.download
, which is present on @car
in console, but nil in your controller.
QUESTION
I'm trying to extract text from a dictionary pdf where the layout have 2 columns like this img(srry, i have the pdf file, not the url) and I tried to use pdf-reader gem but the text it's a mess because instead it follows the column text flow, it just ignores and keep reading the line like:
...ANSWER
Answered 2020-Jul-02 at 06:15Parsing PDF file is difficult.
Few years back I researched all available options to parse PDF to extract text and I end up with pdftotext. I haven't seen any other library having accuracy the pdftotext gives.
You can use this utility and call it using ruby's system
command to execute shell command pdftotext
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