pylist

#!/bin/bash

# Check standard locations
locations=(
    "/usr/bin/"
    "/usr/local/bin/"
    "/opt/"
    "/opt/local/bin/"
    "$HOME/.local/bin/"
)

function format() {
    while read INTERPRET; do
        VERSION=$($INTERPRET --version 2>/dev/null | sed 's/^Python //')
        echo $VERSION $INTERPRET
    done < <(grep -v -e \-config -e \-build)
}

for location in "${locations[@]}"; do
    if [ -d "$location" ]; then
        ls -1 "$location"python* 2>/dev/null | format
    fi
done

# Check the PATH environment variable
IFS=':' read -r -a paths <<< "$PATH"
for path in "${paths[@]}"; do
    if [ -d "$path" ]; then
        ls -1 "$path/python*" 2>/dev/null | format
    fi
done

pyenv versions | grep -v system | while read VERSION; do echo $(pyenv prefix $VERSION)/bin/python; done | format

# Check the CONDA_PREFIX environment variable
if [ ! -z "$CONDA_PREFIX" ]; then
    ls -1 "$CONDA_PREFIX/bin/python*" 2>/dev/null
fi