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25 lines
553 B
Bash
Executable file
25 lines
553 B
Bash
Executable file
#!/usr/bin/env bash
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# Usage: rbenv version-file-read FILE
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set -e
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[ -n "$RBENV_DEBUG" ] && set -x
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VERSION_FILE="$1"
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if [ -e "$VERSION_FILE" ]; then
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# Read the first non-whitespace word from the specified version file.
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# Be careful not to load it whole in case there's something crazy in it.
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version=""
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while read -a words; do
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word="${words[0]}"
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if [ -z "$version" ] && [ -n "$word" ]; then
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version="$word"
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fi
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done < <( cat "$VERSION_FILE" && echo )
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if [ -n "$version" ]; then
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echo "$version"
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exit
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fi
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fi
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exit 1
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