pyenv/libexec/pyenv-version-file-read
2020-03-13 09:08:18 -04:00

22 lines
538 B
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Executable file

#!/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 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" | sed 's/[[:space:]]*\([^[:space:]^[:space:]]*\).*/\1/'))
versions=("${words[@]}")
if [ -n "$versions" ]; then
IFS=":"
echo "${versions[*]}"
exit
fi
fi
exit 1