used sed instead

Author: simongravelle

COMMENT.md

@@ -1,4 +1,7 @@
-<!-- The README.md file was assembled using pandoc from the files listed in
-"files.txt". See the script in "generateREADME.sh". Do not modify README.md.
-Instead, modify the files listed in "files.txt", or add a new file to the list
-in "files.txt". -->
+<!--
+WARNING: DO NOT MODIFY DIRECTLY THE README.md!
+This README.md file was assembled using the sed command from the files listed in
+"files.txt". See the script in "generateREADME.sh". To modify the content of 
+the  README.md, modify the files listed in
+"files.txt", or add a new file to the list in "files.txt".
+-->

README.md

@@ -1,28 +1,28 @@
-```{=html}
-<!-- The README.md file was assembled using pandoc from the files listed in
-"files.txt". See the script in "generateREADME.sh". Do not modify README.md.
-Instead, modify the files listed in "files.txt", or add a new file to the list
-in "files.txt". -->
-```
+<!--
+WARNING: DO NOT MODIFY DIRECTLY THE README.md!
+This README.md file was assembled using the sed command from the files listed in
+"files.txt". See the script in "generateREADME.sh". To modify the content of 
+the  README.md, modify the files listed in
+"files.txt", or add a new file to the list in "files.txt".
+-->
+
 # LAMMPS tutorials' special repository
 
-This repository contains the list of [authors](AUTHORS.md) from the
-LAMMPS tutorials initiative.
+This repository contains the list of [authors](AUTHORS.md) from the LAMMPS tutorials
+initiative.
 
-The content of the profile/README.md appears on the GitHub profile of
-the [LAMMPS tutorials organization](https://github.com/lammpstutorials).
+The content of the profile/README.md appears on the GitHub profile of the
+[LAMMPS tutorials organization](https://github.com/lammpstutorials).
 
 ## Authors
 
 ### Project creator
 
-[Simon Gravelle](https://github.com/simongravelle), University Grenoble
-Alpes, CNRS, LIPhy, Grenoble, 38000, France
+[Simon Gravelle](https://github.com/simongravelle), University Grenoble Alpes, CNRS, LIPhy, Grenoble, 38000, France
 
 ### Contributors
 
--   [Jacob R. Gissinger](https://www.stevens.edu/profile/jgissing),
-    Stevens Institute of Technology, Hoboken, NJ 07030, USA
--   [Axel Kohlmeyer](https://sites.google.com/site/akohlmey), Institute
-    for Computational Molecular Science, Temple University,
-    Philadelphia, PA 19122, USA
+- [Jacob R. Gissinger](https://www.stevens.edu/profile/jgissing), Stevens Institute of Technology, Hoboken, NJ 07030, USA
+- [Axel Kohlmeyer](https://sites.google.com/site/akohlmey), Institute for Computational Molecular Science, Temple University, Philadelphia, PA 19122, USA
+
+

generateREADME.sh

@@ -1,9 +1,23 @@
 #!/bin/bash
 
+output_file="README.md"
+> "$output_file"
+
 files=()
 while IFS= read -r line; do
   files+=("$line")
 done < "files.txt"
 input_files="${files[@]}"
 
-pandoc -s $input_files -o README.md
+# Loop through each file and append its content to the output file
+for file in "${files[@]}"; do
+  # Check if file exists before attempting to read it
+  if [ -f "$file" ]; then
+    # Append file content to the output file
+    cat "$file" >> "$output_file"
+    # Append a blank line after each file's content
+    echo -e "\n" >> "$output_file"
+  else
+    echo "Warning: File '$file' does not exist."
+  fi
+done