pyenv/libexec/rbenv-version-file-read

22 lines
462 B
Text
Raw Normal View History

#!/usr/bin/env bash
2012-12-29 23:05:04 -05:00
# Usage: rbenv version-file-read <file>
set -e
[ -n "$RBENV_DEBUG" ] && set -x
VERSION_FILE="$1"
if [ -e "$VERSION_FILE" ]; then
# Read the first non-whitespace word from the specified version file.
# Be careful not to load it whole in case there's something crazy in it.
IFS="${IFS}"$'\r'
words=( $(cut -b 1-1024 "$VERSION_FILE") )
version="${words[0]}"
if [ -n "$version" ]; then
echo "$version"
exit
fi
fi
exit 1