tests/readlink.py

diffstat: scale adds/removes proportionally to graph width

The previous method of scaling had a tendency to include graph lines that
went past the output width when the file with the most changes had a very
large number of changes.

#!/usr/bin/env python

import errno, os, sys

for f in sys.argv[1:]:
    try:
        print f, '->', os.readlink(f)
    except OSError, err:
        if err.errno != errno.EINVAL: raise
        print f, 'not a symlink'

sys.exit(0)