Thomas Hood wrote: [snip] > pids=$(ps ax | grep 'udhcpc\|dhclient\|pump' | sed 's/^[ > ]*\([0-9]*\).*/\1/') > > However, (1) this picks up the PID of the grep process itself: > > $ ps ax | grep 'udhcpc\|dhclient\|pump' > 15769 pts/2 S+ 0:00 grep udhcpc\|dhclient\|pump > > > (2) I don't see where udhcpc is started. In dhcp.c only > dhclient3, dhclient and pump seem to be supported.
This may need dhclient3 in the pattern, and a "grep -v grep". > (3) ps has built in output formatting so sed isn't really needed. > > Better would be: > > for CLIENT in dhclient3 dhclient pump ; do > pids=$(ps --no-headers -o pid -C $CLIENT) Are you sure busybox ps behaves that way? Thiemo -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
