From d83489feb1005dae7161909fcd0bf81a37e1ca41 Mon Sep 17 00:00:00 2001
From: makefu <github@syntax-fehler.de>
Date: Tue, 8 Dec 2015 18:05:46 +0100
Subject: m 2 Reaktor: init of sed-plugin

---
 makefu/2configs/Reaktor/sed-plugin.py | 43 +++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 makefu/2configs/Reaktor/sed-plugin.py

(limited to 'makefu')

diff --git a/makefu/2configs/Reaktor/sed-plugin.py b/makefu/2configs/Reaktor/sed-plugin.py
new file mode 100644
index 000000000..6d6e1f8b8
--- /dev/null
+++ b/makefu/2configs/Reaktor/sed-plugin.py
@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+
+# Usage:
+# _from=krebs statedir=. python sed-plugin.py 'dick butt'
+# _from=krebs statedir=. python sed-plugin.py 's/t/l/g'
+## dick bull
+import shelve
+from os import environ
+from os.path import join
+from sys import argv
+d = shelve.open(join(environ['statedir'],'sed-plugin.shelve'),writeback=True)
+import re
+
+def is_regex(line):
+    # TODO: match s/di\/ck/butt/ but not s/di/ck/butt/
+    myre = re.compile(r'^s/((?:\\/|[^/])+)/((?:\\/|[^/])*)/([ig]*)$')
+    return myre.match(line)
+
+line = argv[1]
+m = is_regex(line)
+
+if m:
+    f,t,flagstr = m.groups()
+    f = f.replace('\/','/')
+    t = t.replace('\/','/')
+    flags =  0
+    count = 1
+    if flagstr:
+        if 'i' in flagstr:
+            flags = re.IGNORECASE
+        if 'g' in flagstr:
+            count = 0
+    last = d.get(environ['_from'],None)
+    if last:
+        print(f,t,last)
+        print(re.sub(f,t,last,count=count,flags=flags))
+    else:
+        print("no last message")
+else:
+    print("setting line")
+    d[environ['_from']] = line
+
+d.close()
-- 
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