++ which screen
+ screen=/usr/bin/screen
+ '[' '!' -x /usr/bin/screen ']'
+ '[' x = x ']'
+ SCREEN_SESSION_NAME=owl
++ /usr/bin/screen -list
++ grep '[0-9]\.owl'
+ screenlist=
+ '[' x '!=' x ']'
+ aklog
++ mktemp -t krb5cc_bpchen_screen_XXXXXXXXXX
+ NEWKRB5=/tmp/krb5cc_bpchen_screen_nvH9Of6EZ1
++ echo FILE:/tmp/krb5cc_99334_W7rYdm
++ sed s/FILE://
+ KRB5CCNAME=/tmp/krb5cc_99334_W7rYdm
+ cp /tmp/krb5cc_99334_W7rYdm /tmp/krb5cc_bpchen_screen_nvH9Of6EZ1
+ KRB5CCNAME=FILE:/tmp/krb5cc_bpchen_screen_nvH9Of6EZ1
+ export KRB5CCNAME
+ '[' x '!=' x ']'
+ '[' x = x ']'
++ which barnowl
+ barnowl=/mit/barnowl/arch/amd64_ubuntu1404/bin/barnowl
+ '[' '!' -x /mit/barnowl/arch/amd64_ubuntu1404/bin/barnowl ']'
+ ZEPHYR_SCREEN_CLIENT=/mit/barnowl/arch/amd64_ubuntu1404/bin/barnowl
++ which cont-renew-notify
+ contrenew=/mit/kchen/arch/i386_rhel4/bin/cont-renew-notify
+ '[' '!' -x /mit/kchen/arch/i386_rhel4/bin/cont-renew-notify ']'
+ /usr/bin/screen -S owl /mit/barnowl/arch/amd64_ubuntu1404/bin/barnowl
+ nohup /mit/kchen/arch/i386_rhel4/bin/cont-renew-notify