pyenv/libexec/rbenv-version-file-read
2014-03-21 01:36:39 +01:00

21 lines
462 B
Bash
Executable file

#!/usr/bin/env bash
# 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