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List:       ast-users
Subject:    [ast-users] ksh93: improper command name for background commands inside for loops
From:       "PHILIPP, Axel, Dr." <axel.philipp () mtu ! de>
Date:       2013-08-27 8:51:46
Message-ID: 5CAD5AD2C7FBEB4C809E54522245DDAE3F9A1A2A () memc022 ! de ! mtu ! corp
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If a background command is issued inside a for loop, the whole loop is shown as \
command. Versions tested:
  version         sh (AT&T Research) 93u+ 2012-08-01
  version         sh (AT&T Research) 93v- 2013-07-24

cpl0481_home> for host in cpl0482 cpl0483 cpl0484; do;echo $host;ibv_rc_pingpong \
</dev/null& rsh $host ibv_rc_pingpong cpl0481;done cpl0482
[1]     8387
  local address:  LID 0x0047, QPN 0x7e0049, PSN 0x724d56, GID ::
  remote address: LID 0x0039, QPN 0x280049, PSN 0x7a750e, GID ::
8192000 bytes in 0.01 seconds = 7495.83 Mbit/sec
1000 iters in 0.01 seconds = 8.74 usec/iter
  local address:  LID 0x0039, QPN 0x280049, PSN 0x7a750e, GID ::
  remote address: LID 0x0047, QPN 0x7e0049, PSN 0x724d56, GID ::
8192000 bytes in 0.01 seconds = 7572.04 Mbit/sec
1000 iters in 0.01 seconds = 8.65 usec/iter
cpl0483
[2]     8390
  local address:  LID 0x0047, QPN 0x000049, PSN 0xff6f3e, GID ::
  remote address: LID 0x003b, QPN 0x180049, PSN 0x67c8b6, GID ::
8192000 bytes in 0.01 seconds = 6782.86 Mbit/sec
1000 iters in 0.01 seconds = 9.66 usec/iter
  local address:  LID 0x003b, QPN 0x180049, PSN 0x67c8b6, GID ::
  remote address: LID 0x0047, QPN 0x000049, PSN 0xff6f3e, GID ::
8192000 bytes in 0.01 seconds = 6849.50 Mbit/sec
1000 iters in 0.01 seconds = 9.57 usec/iter
cpl0484
[3]     8393
  local address:  LID 0x0047, QPN 0x020049, PSN 0x8c9126, GID ::
  remote address: LID 0x002a, QPN 0x180049, PSN 0xd03b4e, GID ::
8192000 bytes in 0.01 seconds = 8086.87 Mbit/sec
1000 iters in 0.01 seconds = 8.10 usec/iter
  local address:  LID 0x002a, QPN 0x180049, PSN 0xd03b4e, GID ::
  remote address: LID 0x0047, QPN 0x020049, PSN 0x8c9126, GID ::
8192000 bytes in 0.01 seconds = 8057.04 Mbit/sec
1000 iters in 0.01 seconds = 8.13 usec/iter
[3] +  Done                    for host in cpl0482 cpl0483 cpl0484; do;echo \
$host;ibv_rc_pingpong </dev/null& rsh $host ibv_rc_pingpong cpl0481;done [2] -  Done  \
for host in cpl0482 cpl0483 cpl0484; do;echo $host;ibv_rc_pingpong </dev/null& rsh \
$host ibv_rc_pingpong cpl0481;done [1]    Done                    for host in cpl0482 \
cpl0483 cpl0484; do;echo $host;ibv_rc_pingpong </dev/null& rsh $host ibv_rc_pingpong \
cpl0481;done

bash and pdksh show messages like
[1]   Done                 ibv_rc_pingpong < /dev/null

Best Regards
Axel Philipp

--
MTU Aero Engines AG
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Gesellschaft/Registered Office: Muenchen Handelsregister/Commercial Register: \
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