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From tutorial at https://docs.hedera.com/hedera/getting-started/try-examples/deploy-your-first-smart-contract

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    @Test
    void loggingCaptureTest() {
        final var log = (org.apache.logging.log4j.core.Logger)LogManager.getLogger(Foobar.class); // whatever you use to get a logger

        CharArrayWriter outContent = new CharArrayWriter();
        StringLayout layout = PatternLayout.newBuilder().withPattern("%-5level %msg").build();
        Appender appender = WriterAppender.newBuilder().setTarget(outContent).setLayout(layout).setName("TEST").build();
        appender.start();
        log.addAppender(appender);
        log.setLevel(Level.DEBUG);

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    private Object copy(final Object src) {
        byte[] intermediate = null;
        try (final var bos = new ByteArrayOutputStream();
             final var oos = new ObjectOutputStream(bos)) {
            oos.writeObject(src);
            oos.flush();
            intermediate = bos.toByteArray();
        } catch (IOException e) {
            e.printStackTrace();
            return null;

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    private void removeLogging() {
        final var ctx = (org.apache.logging.log4j.core.LoggerContext) LogManager.getContext(false);
        final var configuration = (AbstractConfiguration) ctx.getConfiguration();
        final var allAppenders = configuration.getAppenders();
        for (final var appenderName : allAppenders.keySet()) {
            configuration.removeAppender(appenderName);
        }
    }

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OUT=fileCreateTransactions.json
MNODE=https://mainnet-public.mirrornode.hedera.com

echo '[' > $OUT

R=$(curl -S -s "${MNODE}/api/v1/transactions?transactionType=FILECREATE&result=success&order=asc")
echo ${R} , >> $OUT

while NEXT=$(echo $R | jq --exit-status --raw-output ' .links.next')
do

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[
  {
    "name": "UHK"
  },
  [
    {
      "c": "#459896"
    },
    "~\n\n\n\n\n\n`\n\n\n\nesc",
    {

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#!/usr/bin/env bash

# Show current branch for all repos under current directory (avoids submodules)

for repo in $(find . -type d -execdir test -d {}/.git \; -prune -print | sed 's/^\.\///g' | sort);
do
  cd $repo
  branch=$(git branch --show-current)
  echo "$repo = $branch"
  cd $OLDPWD