Do not depend on "expr" for doing arithmetic, use the shell builtin functions

(picobsd might not have the command available).
2002-03-08 12:33:48 +00:00 · 2002-03-08 12:33:48 +00:00 · 57f0321e2a
commit 57f0321e2a
parent c910c6e5c8
1 changed files with 1 additions and 1 deletions
--- a/release/picobsd/mfs_tree/etc/rc.network
+++ b/release/picobsd/mfs_tree/etc/rc.network
@ -21,7 +21,7 @@ network_pass1() {
 	    eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
 	    if [ -n "${ifconfig_args}" ]; then
 		ifconfig ${ifn} ${ifconfig_args} alias
-		alias=`expr ${alias} + 1`
+		alias=$((${alias} + 1))
 	    else
 		break;
 	    fi