A vim wrapper to automatically open files in vsplit in the correct order, passing through arguments correctly

vsp

#!/bin/bash

PARAM_OPTS=( )
function get_param_opts {
  (( ${#PARAM_OPTS[@]} > 0 )) && return
  PARAM_OPTS=( $( vim -h | sed -n -e '/^ *-[-a-z]* </s/ <.*$//p' ) )
}

vim_args=""
files=( )
accept_args=1
while [[ $1 ]]; do
  if (( $accept_args )); then
    case $1 in
      --)
        vim_args="$vim_args $1"
        accept_args=0
        ;;
      -*)
        vim_args="$vim_args $1"
        get_param_opts
        if [[ ' '${PARAM_OPTS[@]}' ' == *' '$1' '* ]]; then
          # this command takes an argument
          vim_args="$vim_args $(printf "%q" "$2")"
          shift 1
        fi
        ;;
      *)
        accept_args=0
        files[${#files[@]}]="$1"
        ;;
    esac
  else
    files[${#files[@]}]="$1"
  fi
  shift 1
done
    
for (( i = ${#files[@]} - 2; i >= 0; i-- )); do
  vim_args="${vim_args} -c ':vsp $(printf "%q" "${files[i]}")'"
done
if (( ${#files[@]} )); then
  vim_args="${vim_args} $(printf "%q" ${files[${#files[@]}-1]})"
fi

sh -c "vim $vim_args"