process_rnnlib_utils.py

#!/usr/bin/env python
import os
import sys
from os import path

script_dir = '/opt/rnnlib-utils'
scripts = os.walk(script_dir).next()[2]

for sc in scripts:
    sc = path.join(script_dir, sc)
    if sc.endswith('.sh'):
        sb = '#! /bin/bash'
    elif sc.endswith('.py'):
        sb = '#!/usr/bin/env python'
    else:
        continue

    print 'processing', sc

    with open(sc) as f:
        codes = f.readlines()

    if codes[0].strip() != sb:
        codes.insert(0, sb+'\n')

    with open(sc, 'w') as f:
        f.writelines(codes)

print 'done.'