simplify nb2md script and verify new post

_posts_drafts/nb2md_script.sh

@@ -15,87 +15,51 @@
 
 
 # Create variables, using the notebook name from the argument of the call---------
-
 NB=$1
 NB_base=$(echo ${NB} | sed s'|.ipynb||')
 NB_md="$NB_base.md"
 
 echo ' '
-echo 'File base name: ' ${NB_base}
 echo 'Notebook: ' ${NB} 
+echo 'File base name: ' ${NB_base}
 echo 'Markdown file: ' ${NB_md}
 echo ' '
 
 # Convert to markdown format ------------------------------------------------------
-
 jupyter nbconvert --to markdown ${NB}
 
-
 # Move the associated figures files, in the NB_files folder, to _assets--------------------
-
 mv ${NB_base}_files/ ../assets/${NB_base}_files/
-
 echo 'Moving associated figures ' ${NB_base}_files/ ../_assets/${NB_base}_files/
 echo ' '
 
-# Edit path of .png files  ----------------------------------
 
-# I can't move the file first and edit in place with sed
+# Edit path of .png and .svg files  ----------------------------------
+# I can't edit the file paths in place with sed or over-write the markdown.
 # Better to edit first, create a new file in _posts folder, then delete in current folder
 
-# Find all of the references to .png files in the newly moved markdown script and edit with new path---
-
+# Find all of the references to .png and svg files in the newly moved markdown script and edit with new path
 # OLD ![png](test_files/test_5_0.png)
 # NEW ![png](/assets/test_files/test_5_0.png)
 
-echo 'Before renaming png files'
-cat ../_posts/${NB_md} | grep "\[png\](${NB_base}_files"
-echo ' '
-
-# sed command was a bit hard to write
-# need to use single and double quotes (using comma as separator in sed command
-sed 's,'\\[png\]\("$NB_base"_files','\\[png\]\(/assets/"$NB_base"_files',g' ${NB_md} > ../_posts/${NB_md}
-
-echo 'After renaming png files'
-cat ../_posts/${NB_md} | grep "\[png\](${NB_base}_files"
-echo ' '
-
-# Edit path of .svg files  ---------------------------------------
-echo 'Before renaming svg files'
-cat ../_posts/${NB_md} | grep "\[svg\](${NB_base}_files"
+echo 'Before renaming png files, markdown in _post_drafts'
+cat ${NB_md} | egrep "svg|png"
 echo ' '
 
-# sed command was a bit hard to write
-# need to use single and double quotes (using comma as separator in sed command
-sed 's,'\\[svg\]\("$NB_base"_files','\\[svg\]\(/assets/"$NB_base"_files',g' ${NB_md} > ../_posts/${NB_md}
+# sed -E: Enables extended regular expressions
+sed -E 's/!\[(png|svg)\]\(([^)]+)\)/![\1]\(\/assets\/\2)/g' ${NB_md} > ../_posts/${NB_md}
 
-echo 'After renaming svg files'
-cat ../_posts/${NB_md} | grep "\[svg\](${NB_base}_files"
+echo 'After renaming png files, markdown in _post'
+cat ../_posts/${NB_md} | egrep "svg|png"
 echo ' '
 
-
-# Move the markdown file to _posts ----------------------------------
-echo 'Moved markdown file ' ${NB_md} ../_posts/${NB_md}
-
-# Remove the lines that say `<IPython.core.display.Javascript object>`  (not working)
+# Remove the lines that say `<IPython.core.display.Javascript object>`
 echo 'Remove random Javascript object text'
-# sed '/<IPython.core.display.Javascript object>/d' ./${NB_md} > ./${NB_md}
 sed -i '' '/\<IPython.core.display.Javascript object\>/d' ../_posts/${NB_md}
-# sed -i '' '/\<IPython.core.display.Javascript object\>/d' ${NB_md}
-echo ' '
-
-
-# Cut out the first line
-echo 'Cut out the first line'
-# Need to assign to a diff file first. Redirection (>) happens before tail is invoked by the shell.
-# https://stackoverflow.com/questions/339483/how-can-i-remove-the-first-line-of-a-text-file-using-bash-sed-script
-tail -n +2 ../_posts/${NB_md} > ../_posts/${NB_md}.tmp && mv ../_posts/${NB_md}.tmp ../_posts/${NB_md}
 echo ' '
 
 rm ${NB_md}
 echo 'Removed markdown file in _posts_drafts folder '
-echo ' '
-
-echo "Markdown produced and updated."
-echo "cd to parent folder and make sure first line of markdown file is not blank (starts with --- indicating start of YAML)"
-echo "Run bundle exec jekyll serve to test page build locally."
+echo "Updated markdown produced in _posts folder."
+echo "cd to parent folder and run bundle exec jekyll serve to test page build locally."
+echo " "