pdfsearch | Search pdf files for keywords | Document Editor library
kandi X-RAY | pdfsearch Summary
kandi X-RAY | pdfsearch Summary
This package defines a few useful functions for keyword searching using the pdftools package developed by rOpenSci.
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QUESTION
required_packs <- c("pdftools","readxl","pdfsearch","tidyverse","data.table","stringr","tidytext","dplyr","igraph","NLP","tm", "quanteda", "ggraph", "topicmodels", "lasso2", "reshape2", "FSelector")
new_packs <- required_packs[!(required_packs %in% installed.packages()[,"Package"])]
if(length(new_packs)) install.packages(new_packs)
i <- 1
for (i in 1:length(required_packs)) {
sapply(required_packs[i],require, character.only = T)
}
...ANSWER
Answered 2021-Dec-27 at 20:12I think the problem is that you used T
when you meant TRUE
. For example,
QUESTION
I want to extract text from a given PDF.
The code used is:
...ANSWER
Answered 2020-Dec-15 at 07:43I using pdfminer to extract pdf. You can refer example code.
QUESTION
library(pdfsearch)
Characters <- c("Ben", "John")
keyword_search('location of file',
keyword = Characters,
path = TRUE)
keyword page_num
1 Ben 1
2 Ben 1
3 John 1
4 John 2
...ANSWER
Answered 2020-Nov-16 at 14:57Base R supports a wide variety of ways to perform grouped operations (probably too many, as it makes choosing the appropriate method harder):
QUESTION
I created a simple pdfsearch
search option with Shiny . However I want the output to be in the form of table for easy readability. I tried using Data Table package , but do not seem to get the right format I need .
ANSWER
Answered 2020-Aug-18 at 18:33Your retobj
function actually was the problem, because it creates only one string as the return value. However, keyword_search
already returns a tibble, so you can directly use this output and dplyr
to bring it in the desired format and finally DT
to display it:
QUESTION
I need to extract text from a PDF, I have a list of keywords which tell me what text part I need to extract.
PDF looks something like this:
Schema element: Keyword1 This is my keyword
Fontsize: 14 I dont need this
Guide to complete schema element: Text text. This is the text I need and it can between 2 and 3 lines long. And even contain multiple sentences.
Schema element: Keyword2 This is my keyword
Fontsize: 18 I dont need this
Guide to complete schema element: Text text, this is the text I need and it can between 2 and 3 lines long. And even contain multiple sentences. This text is different from the text above.
This is my code so far:
...ANSWER
Answered 2020-Jun-22 at 13:14This is just a rather pedestrian text extraction job. There are many ways to do it, and I'm sure there are more elegant ways to do it than this, but this one does the job:
QUESTION
I am trying to do some text mining of a pdf by searching for certain keywords.
This is my code:
...ANSWER
Answered 2020-Feb-15 at 08:41Given the explanation in the cran manual of pdfsearch, you can directly pass the PDF link to the keyword_search()
. In this way, I do not see the error message you provided. I rather got the following result.
QUESTION
I'm wanting to recursively search for strings in pdf files using pdftotext (not pdfgrep) using a bash function and passing my string of choice to it. The string must be able to handle special characters, as a minimum, spaces. As a bare command line, this works perfectly in a bash shell and demonstrates what I want to do.
...ANSWER
Answered 2020-Feb-10 at 04:36The '$1'
part should be changed to "'"$1"'"
("
, '
, "$1"
, '
, "
), if your search string is double quotes friendly.
See the following simplified example:
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