maninst: Fix stupid variable-name typo.

[cfd] / confsubst.in

diff --git a/confsubst.in b/confsubst.in
index 86c8bb0e3b99041f66bfae0e372449d5036b1455..f9ba37bdc455f258a0f94bc8f62cd868ebdbf268 100755 (executable)
--- a/confsubst.in
+++ b/confsubst.in
@@ -75,11 +75,10 @@ file=$1; shift
 subst=""
 for fixup; do
   case "$fixup" in
-    *?=*?) ;;
+    *?=*) ;;
     *) echo >&2 "$0: bad substitution: $fixup"; exit 1 ;;
   esac
-  tag=$(echo "$fixup" | sed 's/=.*$//') && \
-  value=$(echo "$fixup" | sed 's/^[^=]*=//') && \
+  tag=${fixup%%=*} value=${fixup#*=}
   subst="$subst s\a@$tag@\a$value\ag;"
 done