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karlroberts/launch.sh

Created March 15, 2017 01:45
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  1. karlroberts created this gist Mar 15, 2017.
    48 changes: 48 additions & 0 deletions launch.sh
    View file
    Original file line number Diff line number Diff line change
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    #!/bin/bash
    #####
    # Launch and time python and node scripts that also launch subprocesses
    echo start launch python data subprocess...
    date "+%T %s %N"
    python mypydatesub.py
    echo

    echo start launch python compiled data subprocess...
    date "+%T %s %N"
    python mypydatesub.pyc
    echo

    # make sure you have installed nvm see https://github.com/creationix/nvm#install-script
    export NVM_DIR="$HOME/.nvm"
    [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh" # This loads nvm
    nvm install v7.6.0
    nvm use v7.6.0
    echo start launch node subprocess
    date "+%T %s %N"
    node mynodesub.js
    # end of launch.sh


    # now the python script
    # mypydatesub.py
    import subprocess
    subprocess.call(["date", '+%T %s %N'])
    subprocess.call(["date", '+%T %s %N'])
    # end of mypydatesub.py

    # also compile this to a pyc file using
    $ python
    Python 2.7.12 (default, Nov 19 2016, 06:48:10)
    [GCC 5.4.0 20160609] on linux2
    Type "help", "copyright", "credits" or "license" for more information.
    >>> import py_compile
    >>> py_compile.compile("mypydatesub.py")
    >>> exit()


    # now the node.js script
    # mynodesub.js
    var child_process = require('child_process');
    child_process.spawn('date', [ "+%T %s %N" ], { stdio: 'inherit' });
    child_process.spawn('date', [ "+%T %s %N" ], { stdio: 'inherit' });
    # end of mynodesub.js