cleanups, add manual page

[unix-history] / usr / src / usr.bin / compress / usermem.sh

diff --git a/usr/src/usr.bin/compress/usermem.sh b/usr/src/usr.bin/compress/usermem.sh
index b3741ba..142d120 100644 (file)
--- a/usr/src/usr.bin/compress/usermem.sh
+++ b/usr/src/usr.bin/compress/usermem.sh
@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
 #!/bin/sh -
 #

-#      @(#)usermem.sh  5.3 (Berkeley) %G%
+#      @(#)usermem.sh  5.4 (Berkeley) %G%

 #
 : This shell script snoops around to find the maximum amount of available
 : user memory.  These variables need to be set only if there is no
 #
 : This shell script snoops around to find the maximum amount of available
 : user memory.  These variables need to be set only if there is no


@@ -33,7 +33,8 @@ then
 fi
 
 SIZE=0
 fi
 
 SIZE=0

-if test -r /usr/adm/messages   # probably the most transportable
+# messages: probably the most transportable
+if test -r /usr/adm/messages -a -s /usr/adm/messages

 then
     SIZE=`grep avail /usr/adm/messages | sed -n '$s/.*[        ]//p'`
 fi
 then
     SIZE=`grep avail /usr/adm/messages | sed -n '$s/.*[        ]//p'`
 fi