pyenv/libexec/pyenv-version-file-read
Casey McGinty 83e5459cfb Remove shebang lines from scripts for performance
All scripts in libexec/ (excluding pyenv) are called through pyenv,
therefore the shebang lines are not necessary. On some systems this
provides a measurable increase in performance of the shell prompt.

Related to pyenv/pyenv-virtualenv#259
2019-03-07 22:15:14 +01:00

21 lines
491 B
Text
Executable file

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