lame question

[Alexsey L. Nagorniy]

Hi!

Why command
# cat /var/run/dmesg.boot | awk '/irq/ {print gensub(/(^[a-z0-9]+[: ]).*(irq
[0-9]+).*/, "\2", 1)}'
prints only blank lines?

searching manual for several hours dosent get me any clue :(

# awk --version
GNU Awk 3.0.6
Copyright (C) 1989, 1991-2000 Free Software Foundation.

# cat /var/run/dmesg.boot | awk '/irq/ {print}'
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
pci0: <S3 Trio graphics accelerator> at 11.0 irq 10
fxp0: <Intel 82559 Pro/100 Ethernet> port 0xe000-0xe03f mem
0xf3000000-0xf30fffff,0xf3800000-0xf3800fff irq 11 at device 12.0 on pci0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio1 at port 0x2f8-0x2ff irq 3 on isa0
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0

Thank you!
ps: i cant find any awk mailing list, so i send it to you...