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import sublime
import sublime_plugin


class IncrementSelectionCommand(sublime_plugin.TextCommand):
    def run(self, edit):
        s = self.view.substr(self.view.sel()[0])
        start_value = int(s)
        length = len(s)
        counter = 0

        for selection in self.view.sel():
            self.view.insert(edit, selection.begin(), str(start_value+counter).zfill(length))
            counter = counter + 1

        for selection in self.view.sel():
            self.view.erase(edit, selection)