pyenv/libexec/pyenv-version-file-read
Yamashita Yuu 2457419b4a created new project.
modified rbenv source for Python and renamed to pyenv.
2012-08-31 15:30:20 +09:00

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#!/usr/bin/env bash
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.
version=""
while read -a words; do
word="${words[0]}"
if [ -z "$version" ] && [ -n "$word" ]; then
version="$word"
fi
done < <( cat "$VERSION_FILE" && echo )
if [ -n "$version" ]; then
echo "$version"
exit
fi
fi
exit 1