Use python format strings for args.then

3 files changed, 7 insertions, 9 deletions

diff --git a/Que/client.py b/Que/client.py
index f4ee601..1063eb8 100755
--- a/Que/client.py
+++ b/Que/client.py
@@ -96,9 +96,7 @@ def then(args, msg):
     if args.then:
         logging.debug("then")
         subprocess.run(
-            args.then.replace(r"\msg", msg).replace(r"\que", args.target),
-            check=False,
-            shell=True,
+            args.then.format(msg=msg, que=args.target), check=False, shell=True,
         )
 
 
@@ -144,7 +142,7 @@ def get_args():
             [
                 "when polling, run this shell command after each response,",
                 "presumably for side effects,"
-                r"replacing '\que' with the target and '\msg' with the body of the response",
+                r"replacing '{que}' with the target and '{msg}' with the body of the response",
             ]
         ),
     )
diff --git a/Que/quescripts.md b/Que/quescripts.md
index 9a2e6e0..77e7004 100644
--- a/Que/quescripts.md
+++ b/Que/quescripts.md
@@ -10,7 +10,7 @@ the job finishes.
 
 In one terminal run the listener:
 
-    que pub/notify --then "notify-send '\que' '\msg'"
+    que pub/notify --then "notify-send '{que}' '{msg}'"
 
 In some other terminal run the job that takes forever:
 
@@ -23,9 +23,9 @@ Linux with title "`pub/notify`" and content "`tests are done`".
 Que paths are multi-producer and multi-consumer, so you can add as many
 terminals as you want.
 
-On macOS you could use:
+On macOS you could use something like this (just watch your quotes):
 
-    osascript -e 'display notification "\msg" with title "\que"'
+    osascript -e "display notification \"{msg}\" with title \"{que}\""
 
 in place of notify-send.
 
@@ -39,7 +39,7 @@ It's surprisingly easy to make a collaborative jukebox.
 
 First start up a music player:
 
-    que --poll pub/music --then "playsong '\msg'"
+    que --poll pub/music --then "playsong '{msg}'"
 
 where `playsong` is a script that plays a file from data streaming to
 `stdin`. For example [vlc](https://www.videolan.org/vlc/) does this when
diff --git a/Que/tutorial.md b/Que/tutorial.md
index 66ecd3c..6542ad3 100644
--- a/Que/tutorial.md
+++ b/Que/tutorial.md
@@ -50,4 +50,4 @@ To use other namespaces and add authentication/access controls, you can
 Just reading and writing data isn't very exciting, so let's throw in
 some events. We can very quickly put together a job processor.
 
-    que pub/new-que --then "./worker.sh '\msg'"
+    que pub/new-que --then "./worker.sh '{msg}'"