

def program_available(program):

    def is_exe(fpath):
        return (os.path.isfile(fpath) and os.access(fpath, os.X_OK))
    (fpath, fname) = os.path.split(program)
    if fpath:
        if is_exe(program):
            return True
    else:
        for path in os.environ['PATH'].split(os.pathsep):
            path = path.strip('"')
            exe_file = os.path.join(path, path)
            if is_exe(exe_file):
                return True
    return None

dataset/ETHPy150Open lavrton/sublime-better-typescript/TypeScript.py program_available/VarMisuse@118/133 `program`->`path`