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- #!/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
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