Improvements to generate_readme.sh

bin/generate_readme.sh

@@ -192,10 +192,9 @@ _generate_toc() {
 
         # grep: filter header candidates to be included in toc
         # sed: remove the ignored headers (case: minlevel greater than one) to avoid unnecessary spacing later in level variable assignment
-    done <<< "$(grep -E "^#{${MINLEVEL},${MAXLEVEL}} " "${1}" | tr -d '\r' | sed "s/^#\{$((${MINLEVEL} - 1))\}//g")"
+    done <<< "$(grep -E "^#{${MINLEVEL},${MAXLEVEL}} " "${1}" | tr -d '\r' | sed "s/^#\{$((MINLEVEL - 1))\}//g")"
 
     # when in toc we have two `--` quit one
-    output="${output//--*/-}"
     echo "$output"
 
 }
@@ -205,18 +204,16 @@ _insert_toc_to_file() {
     declare source_markdown toc_text start_toc info_toc end_toc utext_ampersand utext_slash
     source_markdown="${1}"
     toc_text="${2}"
-
     start_toc="<!-- START ${SCRIPT_FILE} generated TOC please keep comment here to allow auto update -->"
     info_toc="<!-- DO NOT EDIT THIS SECTION, INSTEAD RE-RUN ${SCRIPT_FILE} TO UPDATE -->"
     end_toc="<!-- END ${SCRIPT_FILE} generated TOC please keep comment here to allow auto update -->"
 
     toc_block="$start_toc\n$info_toc\n## Table of Contents\n\n$toc_text\n$end_toc"
-
     # temporary replace of '/' (confused with separator of substitutions) and '&' (confused with match regex symbol) to run the special sed command
     utext_ampersand="id8234923000230gzz"
     utext_slash="id9992384923423gzz"
-    toc_block="$(echo "${toc_block}" | sed "s,\&,${utext_ampersand},g")"
-    toc_block="$(echo "${toc_block}" | sed "s,\/,${utext_slash},g")"
+    toc_block="${toc_block//\&/${utext_ampersand}}"
+    toc_block="${toc_block//\//${utext_slash}}"
 
     # search multiline toc block -> https://stackoverflow.com/questions/2686147/how-to-find-patterns-across-multiple-lines-using-grep/2686705
     # grep color for debugging -> https://superuser.com/questions/914856/grep-display-all-output-but-highlight-search-matches
@@ -238,14 +235,14 @@ _insert_toc_to_file() {
 }
 
 _process_toc() {
-    declare toc_temp_file source_markdown
+    declare toc_temp_file source_markdown level
     source_markdown="${1}"
 
     toc_temp_file=$(_setup_tempfile)
 
     sed '/```/,/```/d' "${source_markdown}" > "${toc_temp_file}"
 
-    declare level=$MINLEVEL
+    level=$MINLEVEL
     while [[ $(grep -Ec "^#{$level} " "${toc_temp_file}") -le 1 ]]; do
         level=$((level + 1))
     done
@@ -263,7 +260,7 @@ main() {
 
     _setup_arguments "${@}"
     _process_sh_files "${SOURCE_MARKDOWN}" "${SOURCE_SCRIPT_DIR}"
-    _process_toc "${SOURCE_MARKDOWN}" "${MINLEVEL}" "${MAXLEVEL}"
+    _process_toc "${SOURCE_MARKDOWN}"
 }
 
 main "${@}"