pyenv/libexec/pyenv-version-file-read
2013-01-18 19:09:56 +09:00

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#!/usr/bin/env bash
# Usage: pyenv version-file-read <file>
set -e
[ -n "$PYENV_DEBUG" ] && set -x
VERSION_FILE="$1"
if [ -e "$VERSION_FILE" ]; then
# Read and print the first non-whitespace word from the specified
# version file.
versions=()
while read -a words; do
word="${words[0]}"
if [ -n "$word" ]; then
length="${#versions[@]}"
versions=("${versions[@]}" "$word")
fi
done < <( cat "$VERSION_FILE" && echo )
if [ -n "$versions" ]; then
{
IFS=:
echo "${versions[*]}"
}
exit
fi
fi
exit 1