chomp

#!/usr/bin/env python3
import os
import sys

# couldn't figure out how to make fileinput not be line-oriented (pity)


# not quite the same as ruby's chomp ("hello\n\r" => "hello")
def chomp(handle, chunk_size=8092):
    while True:
        chunk = handle.read(chunk_size)
        if len(chunk) < chunk_size:
            break
        sys.stdout.write(chunk)

    sys.stdout.write(chunk.rstrip('\r\n'))


def chomp_handles(handles):
    for handle in handles:
        chomp(handle)


def run(filenames):
    handles = []
    for name in filenames:
        if name == '-':
            handles.append(sys.stdin)
        else:
            handles.append(open(name, 'r'))
    chomp_handles(handles)


if __name__ == '__main__':
    filenames = sys.argv[1:]
    if not filenames:
        filenames = ['-']

    basename = os.path.basename(sys.argv[0])
    try:
        run(filenames)
    except KeyboardInterrupt:
        print()
        sys.exit(130)
    except IOError as e:
        sys.stderr.write("%s: %s: %s\n" % (basename, e.filename, e.strerror))
        sys.exit(1)