From cf0bf046e51a4a76315b8c964fabc8e641eb91fe Mon Sep 17 00:00:00 2001
From: Patrick Simianer <p@simianer.de>
Date: Wed, 7 Jan 2015 18:47:50 +0100
Subject: select_from, max_len

---
 max_len     | 16 ++++++++++++++++
 select_from | 19 +++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100755 max_len
 create mode 100755 select_from

diff --git a/max_len b/max_len
new file mode 100755
index 0000000..69013b5
--- /dev/null
+++ b/max_len
@@ -0,0 +1,16 @@
+#!/usr/bin/env ruby
+
+require 'zipf'
+
+max = ARGV[0].to_i
+
+i = 0
+while line = STDIN.gets 
+  if tokenize(line).size <= max
+    puts i
+  else
+    STDERR.write line
+  end
+  i += 1
+end
+
diff --git a/select_from b/select_from
new file mode 100755
index 0000000..14fbc9e
--- /dev/null
+++ b/select_from
@@ -0,0 +1,19 @@
+#!/usr/bin/env ruby
+
+require 'zipf'
+
+accept = {}
+
+f = ReadFile.new ARGV[0]
+f.readlines_strip.each { |line|
+  accept[line.strip.to_i] = true
+}
+
+i = 0
+while line = STDIN.gets
+  if accept[i]
+    STDOUT.write line
+  end
+  i += 1
+end
+
-- 
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