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18 行
342 B
18 行
342 B
#!/usr/bin/env bash
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set -e
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VERSION_FILE="$1"
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if [ -e "$VERSION_FILE" ]; then
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# Read and print the first non-whitespace word from the specified
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# version file.
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while read -a words; do
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version="${words[0]}"
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if [ -n "$version" ]; then
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echo "$version"
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break
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fi
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done < <( cat "$VERSION_FILE" && echo )
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fi
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exit 1
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