On MacOS, it is so difficult to make TexStudio, TeXShop to compile .eps files.

Normally, you just need to add --shell-escape to Commands and \usepackage{epstopdf} to the preamble. The package should be able to create separated .pdf files from the original .eps. However, this does not work on my machine.

Here is how I made it work.

Step 1: Download ghostscript (which should include ps2pdf)

brew install ghostscript

Step 2: Create a shell script that automatically search for all .eps files and convert them to .pdf

#!/bin/bash
for file in *.eps; do
  base="${file%.eps}"
  ps2pdf -dEPSCrop "$file" "${base}-eps-converted-to.pdf"
done

save it as convert_eps.sh.

Step 3: Copy the script in the root folder (containing all the .eps files). Open Terminal, make the script executable and run it.

Right-click the folder, Services > New Terminal at Folder

Run (once)

chmod +x convert_eps.sh

Then run

./convert_eps.sh

If you succeed, you should see a bunch of .pdf files newly created.

Step 4: Add the following 2 lines to the preamble of the .tex

\usepackage{graphicx}
\usepackage{epstopdf}

Make sure that graphicx is loaded before epstopdf.

When you includegraphics the eps, do not type the extension .eps, for example

\begin{figure}[ht]
	\centering
	\includegraphics[width=\linewidth]{figs/model2_IRF_e}
\end{figure}

There is no need to add the --shell-escape option either.

Can also make the script more informative

#!/bin/bash
total=0
success=0

for file in *.eps; do
  [ -e "$file" ] || continue  # Skip if no .eps files
  ((total++))
  base="${file%.eps}"
  output="${base}-eps-converted-to.pdf"

  if ps2pdf -dEPSCrop "$file" "$output"; then
    echo "Converted: $file → $output"
    ((success++))
  else
    echo "Failed to convert: $file"
  fi
done

echo ""
echo "Converted successfully ($success/$total files)"