[Mailman-Users] Broken Pipe

hi,



I've created a simple shell script to count members in my 3 lists :



******

./list_members list1 | wc -l
./list_members list2 | wc -l
./list_members list3 | wc -l

******

and I keep getting this error:



*****

wc: invalid option --
Try `wc --help' for more information.
Traceback (most recent call last):
File "./list_members", line 286, in ?
main()
File "./list_members", line 264, in main
print >> fp, formataddr((safe(name), addr))
IOError: [Errno 32] Broken pipe
****



when copying and pasting the 3 lines in my SSH window they work fine .. but when running the script I get these errors!



it was working before but recently I formatted the drive and reinstalled the system: Centos5 ..



please help







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