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libexec/rbenv-version-file-read

 

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#!/usr/bin/env bash

 

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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 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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      exit

 

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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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