How to read a table from a paper (in PDF format) into R

If you need to search for a term in an online database of biological and medical research ](https://www.ncbi.nlm.nih.gov/pubmed/), you could use their web interface or automatise it using a script. Search terms (you can look up the dictionary here: https://www.ncbi.nlm.nih.gov/pubmed/advanced

An introduction into data manipulation in bash command line, with examples of using sed, awk and tr commands