cleanup help util and flag parse

index.sh

@@ -2,12 +2,23 @@
 
 pathname="$(dirname "${0}")"
 
-source "${pathname}/help.sh"
 source "${pathname}/util.sh"
 source "${pathname}/previewFiles.sh"
 source "${pathname}/paginatedList.sh"
 
-_parseHelpArgs "${@}"
+_parseArgs() {
+  while [[ ${#*} -gt 0 ]]; do
+    case ${1} in
+    -h | --help)
+      _showHelp
+      exit 0
+      ;;
+    *)
+      shift
+      ;;
+    esac
+  done
+}
 
 _mainLoop() {
   tempfile=$(mktemp)
@@ -34,4 +45,5 @@ _mainLoop() {
   done
 }
 
+_parseArgs "${@}"
 _mainLoop "${@}"

previewFiles.sh

@@ -31,7 +31,7 @@ _previewFiles() {
 
     [[ "${#selection}" -eq 0 ]] && break
 
-        echo "got $selection"
+    echo "got $selection"
     # match selected path to corresponding url
     for i in "${!pathNames[@]}"; do
       if [[ "${pathNames[i]}" == "${selection}" ]]; then

util.sh

@@ -23,3 +23,35 @@ _ghSearchRepos() {
 _ghViewReadme() {
   gh repo view "${@}" | glow -p
 }
+
+_showHelp() {
+  helpText="
+    usage: $(basename "${0}") -h [QUERY...] 
+
+    options:
+        -h, --help        show help
+  "
+
+  # unindenting the help message below
+  # ...
+  # so i don't have to write it ugly above
+
+  indent=false
+
+  while IFS="" read -r line; do
+    # ignore empty lines
+    charsOnly="${line/ //}"
+    if [[ ${#charsOnly} -eq 0 ]]; then
+      echo
+    else
+      # set indent to first non empty line
+      if [[ ${indent} == false ]]; then
+        indent=$(
+          echo "${line}" | awk -F'[^ ]' '{print length($1)}' # get number of leading spaces
+        )
+      fi
+      # formatted
+      echo "${line}" | cut -c "$((indent + 1))-"
+    fi
+  done < <(echo "${helpText}") | bat -pp -l help
+}