[src/trunk]: src/distrib/sets Simplify (and no need for sub-shells).

[kre <kre%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/22561d6c7246
branches:  trunk
changeset: 349553:22561d6c7246
user:      kre <kre%NetBSD.org@localhost>
date:      Wed Dec 14 13:04:42 2016 +0000

description:
Simplify (and no need for sub-shells).
Same functionality, same method, simpler exposition.

diffstat:

 distrib/sets/sort-list |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (15 lines):

diff -r 491308cee8bd -r 22561d6c7246 distrib/sets/sort-list
--- a/distrib/sets/sort-list    Wed Dec 14 12:59:51 2016 +0000
+++ b/distrib/sets/sort-list    Wed Dec 14 13:04:42 2016 +0000
@@ -1,7 +1,7 @@
 #!/bin/sh
 
-while [ $# != 0 ]; do
-       ( grep '^#' $1; grep -v '^#' $1 | LC_ALL=C sort ) > $1.tmp
-       mv $1.tmp $1
-       shift
+for F
+do
+       { grep '^#' "${F}"; grep -v '^#' "${F}" | LC_ALL=C sort ;} > "${F}".tmp
+       mv "${F}".tmp "${F}"
 done