From fb58d1726ff6fd4c576632f864b5a139d14e2d9c Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Wed, 18 Jun 2014 02:34:23 +0200 Subject: simple implementation of cut, so there is not dependency on GNU's cut MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/extract/cut | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100755 src/extract/cut (limited to 'src/extract/cut') diff --git a/src/extract/cut b/src/extract/cut new file mode 100755 index 0000000..fa6cb99 --- /dev/null +++ b/src/extract/cut @@ -0,0 +1,61 @@ +#!/usr/bin/env python +# -*- mode: python, encoding: utf-8 -*- + +# libgamma -- Display server abstraction layer for gamma ramp adjustments +# Copyright (C) 2014 Mattias Andrée (maandree@member.fsf.org) +# +# This library is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this library. If not, see . + +# Very limited GNU cut. + + +import sys + + +delimiter = '\t' +fields = [] +complement = False + + +i, n = 1, len(sys.argv) +while i < n: + arg = sys.argv[i] + if arg == '-d': + i += 1 + delimiter = sys.argv[i] + elif arg == '-f': + i += 1 + fields += [int(f) for f in sys.argv[i].split(',')] + elif arg == '--complement': + complement = True + i += 1 + + +fields = set(fields) + + +def modify(line): + line = line.split(delimiter) + if not complement: + line = [line[i] for i in range(len(line)) if i not in fields] + else: + line = [line[i] for i in range(len(line)) if i in fields] + return delimiter.join(line) + + +data = sys.stdin.read() +data = '\n'.join(modify(line) for line in data.split('\n')) +sys.stdout.write(data) +sys.stdout.flush() + -- cgit v1.2.3-70-g09d2