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#!/usr/bin/env bash
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# Unofficial Bash Strict Mode
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set -euo pipefail
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IFS='
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'
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script_dirS=$(cd -P "$(dirname "$BASH_SOURCE")" &>/dev/null && pwd)
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FILENAME="../student/left.sh"
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cd left
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if [[ $(cat $FILENAME | grep echo | wc -l) -ne 0 ]]; then
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echo "echo is not allowed in this exercise!"
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exit 1
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fi
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if [[ $(cat $FILENAME | grep '<' | wc -l) -lt 1 ]]; then
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echo "The file does not contain the required redirection"
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exit 1
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fi
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submitted=$(bash $FILENAME)
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expected=$(bash ../solutions/left.sh)
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diff <(echo "$submitted") <(echo "$expected")
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