From 150ce5757d2982da740bd9ce2b44b57b6d2831c6 Mon Sep 17 00:00:00 2001
From: tv <tv@xso>
Date: Fri, 9 Sep 2011 18:22:01 +0200
Subject: //noise: kill another instance of sed -i

---
 noise/noise | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'noise')

diff --git a/noise/noise b/noise/noise
index 99a08023..615277a6 100755
--- a/noise/noise
+++ b/noise/noise
@@ -31,8 +31,8 @@ noise_set() { # set a variable
       fi
       ## write variable to $env
       if grep -q "^$1=" "$env" ; then
-        env_cache="`cat $env`"
-        echo "$env_cache" |
+        cache="`cat $env`"
+        echo "$cache" |
         sed "s'^\($1\)=\(.*\)\$'\1=\'$2\''" > $env
       else
         echo "$1='$2'" >>$env
@@ -49,7 +49,9 @@ noise_unset() { # unset a variable
   case $# in
     (1) ## 
       unset "noise_$1"
-      sed -ni "/^$1=/!p" $env
+      cache="`cat $env`"
+      echo "$cache" |
+      sed -n "/^$1=/!p" > $env
     ;;
     (*)
       fail "broken commandline: $@"
-- 
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