multitail

mt.sh

#!/usr/bin/env python

import sys
import random
import argparse
from fabric.operations import local

COLORS = ['green', 'blue', 'yellow', 'red']
CMD = ['multitail -mb 10MB --follow-all -n 100']

parser = argparse.ArgumentParser()
parser.add_argument('-m', action='store_true', default=False,
                    help='merge all logs into single output')
parser.add_argument('files', nargs='*')
args = parser.parse_args()

sys.argv.pop(0)
for file in args.files:
    color = random.choice(COLORS)
    CMD.append('-ci %s ' % color)
    if len(CMD) > 1 and args.m:
      CMD.append('-I')
    CMD.append(file)

CMD = ' '.join(CMD)
local(CMD)