Graphviz linter

graphviz-linter.sh

#/bin/bash
# Usage : chmod +x graphviz-linter.sh && ./graphviz-linter.sh myfile.dot

path=$1

output=''
indent=0

while read line; do
  if [[ "${line:0:1}" = '}' ]]; then indent=$((indent - 1)); fi

  newLine=''
  for i in $(seq 1 $indent); do newLine+='  '; done
  newLine+="$line"

  output+="$newLine\n";

  if [[ "${line: -1}" = '{' ]]; then indent=$((indent + 1)); fi
done < $path

echo -e "$output" > $path