Does this .bashrc hack for for you maybe? :-) ## Toogle between python versions python-toggle(){ local RED="\e[0;31m" local GREEN="\e[0;32m" local RESET="\e[0;0m" test -z "$1" || v="$1" local bins=('python' 'python-config' 'pip') cd /usr/bin for bin in ${bins[@]}; do test -h $bin || { echo -e "${RED}ERROR:${RESET} cannot find $PWD/$bin" return 1 } done echo -e ">> ${RED}Disabling $(python -V 2>&1)${RESET}\007" if [[ python -ef python3 || "python${v}" == "python3" ]]; then rm python python-config pip ln -s python2 python ln -s python2-config python-config ln -s pip2 pip elif [[ python -ef python2 || "python${v}" == "python2" ]]; then rm python python-config pip ln -s python3 python ln -s python3-config python-config ln -s pip3 pip else echo -e "${RED}ERROR:${RESET} cannot find link /usr/bin/$bin" cd - > /dev/null return 2 fi echo -e ">> ${GREEN}Enabled $(python -V 2>&1)${RESET}\007" cd - > /dev/null } El vie, 23-01-2015 a las 21:51 +0800, Chi Hsuan Yen escribió: > Dear Arch enthusiasts, > > The package extra/java-runtime-common provides a convenient script > archlinux-java to handle co-existing JDK/JRE versions. I can use it to > switch between different versions of java implementations to accomplish > numerous tasks from testing the compatibilities of my programs to running > third party applications targeting on different platforms. Now I hope > there's also a simple script for the same thing but for python. On the > system, most of the scripts are written for python2 and some other scripts > are python3-specific. In most cases it's not a problem because I can fix > the scripts or use some tricks like $PATH to ensure the correct execution > of the programs. However, in large projects, doing either is time-consuming > and costly. Recently I'm building CyanogenMod on Arch Linux. It includes > lots of python scripts in the build system, and most of them requires > python2. Using the tip provided on the article about Python on ArchWiki > prevents lots of problems, but, however, some scripts have the shebang line > "#!/usr/bin/env python" or are invoked by some command like > "/usr/bin/python ...". I have to change the link /usr/bin/python to > pointing to python2 for further progress on building and changed it back > for my daily use. If there's an archlinux-python script, lots of time on > battling the difference between python2 and python3 does not exist anymore, > which I believe lots of users can benefit from it. Any ideas? > > Best Regards, > > Yen Chi Hsuan -- ====================================================================== GPG 0x8C00BA074CA6E08B -- https://www.libcrack.so/