environment/lib/python2.7/site-packages/IPython/core/page.py
def get_pager_cmd(pager_cmd=None):
    """Return a pager command.

    Makes some attempts at finding an OS-correct one.
    """
    if os.name == 'posix':
        default_pager_cmd = 'less -r'  # -r for color control sequences
    elif os.name in ['nt','dos']:
        default_pager_cmd = 'type'

    if pager_cmd is None:
        try:
            pager_cmd = os.environ['PAGER']
        except:
            pager_cmd = default_pager_cmd
    return pager_cmd
def get_pager_cmd(pager_cmd=None):
    if os.name == 'posix':
        default_pager_cmd = 'less -r'  # -r for color control sequences
    elif os.name in ['nt','dos']:
        default_pager_cmd = 'type'

    if pager_cmd is None:
        try:
            pager_cmd = os.environ['PAGER']
        except:
            pager_cmd = default_pager_cmd
    return pager_cmd
def get_pager_cmd ( pager_cmd = None ) : if os . name == 'posix' : default_pager_cmd = 'less -r' # -r for color control sequences elif os . name in [ 'nt' , 'dos' ] : default_pager_cmd = 'type' if pager_cmd is None : try : pager_cmd = os . environ [ 'PAGER' ] except : pager_cmd = default_pager_cmd return pager_cmd
Return a pager command.

    Makes some attempts at finding an OS-correct one.
Return a pager command .