#!/bin/bash
s=$(echo -e "test {\nseq-cont {\n\t\t\t0,\n\t\t\t67,\n\t\t\t266\n\t\t\t},\n\t\tgrp-id 505\n\t}\n}\ntest{\n\ttest1{\n\t\tval\n\t}\n}\n")
perl -0777 -pe 's/\s+(seq-cont\s*\{[^}]*\})/$1=~s|\s+||gr/ge' <<< "$s"
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