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Full Discussion: line break if string exceeds 100chars
Top Forums Shell Programming and Scripting line break if string exceeds 100chars Post 302490914 by s1ckle on Wednesday 26th of January 2011 06:14:46 AM
Old 01-26-2011
line break if string exceeds 100chars
I am required to develop a script to look for specific strings in the /var/adm/messages file on our Solaris10 host. When an entry is found in the file then I need that line to be piped to a log file. I have a script with the criteria i just need help with the manipulation of the text string.

1. I need to replace the time stamps in /var/adm/messages and replace it with the format shown below. I need a way to replace collumn 1, 2 and 3 with the date example below.

date example:
Code:
# date '+%D %T'
01/26/11 12:40:56

2. I also need to make the string continue on a new line if it exceeds 100 chars, so that the log file looks pretty and not wrapped around on a standard sized monitor.

original line:
Code:
Jan  26 12:40:56 hostname usba: [ID 912658 kern.info] USB 2.0 device (usb430,a2) operating at full speed (USB 1.x) on USB 2.0 external hub: keyboard@4, hid3 at bus address 5

format I would like in my log file:
Code:
01/26/11 12:40:56 hostname usba: [ID 912658 kern.info] USB 2.0 device (usb430,a2) operating at full
01/26/11 12:40:56 speed (USB 1.x) on USB 2.0 external hub: keyboard@4, hid3 at bus address 5

 

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LEARN ABOUT DEBIAN

hubd

hubd(7D)																  hubd(7D)

NAME

       hubd - USB hub driver

SYNOPSIS

       hub@unit-address

       The  hubd is a USBA (Solaris USB Architecture) compliant client driver that supports USB hubs conforming to the Universal Serial Bus Speci-
       fication 2.0. The hubd driver supports bus-powered and self-powered hubs. The driver supports hubs with individual port power, ganged power
       and no power switching.

       When  a device is attached to a hub port, the hubd driver enumerates the device by determining its type and assigning an address to it. For
       multi-configuration devices, hubd sets the preferred configuration (refer to cfgadm_usb(1M) to select a	configuration).  The  hubd  driver
       attaches a driver to the device if one is available for the default or selected configuration. When the device is disconnected from the hub
       port, the hubd driver offlines any driver instance attached to the device.

       /kernel/drv/hubd

	   32- bit  ELF kernel module

       /kernel/drv/amd64/hubd

	   64- bit  ELF kernel module

       /kernel/drv/sparcv9/hubd

	   64-bit SPARC ELF kernel module

       See attributes(5) for a description of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Architecture		     |SPARC, , PCI-based systems   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWusb			   |
       +-----------------------------+-----------------------------+

       cfgadm_usb(1M), attributes(5), usba(7D)

       Writing Device Drivers

       Universal Serial Bus Specification 2.0

       System Administration Guide: Basic Administration

       http://www.sun.com/io

       In addition to being logged, the following messages may also appear on the system console. Messages are formatted in the following manner:

       WARNING: <device path> <hubd<instance number>): Message...

       where <instance number> is the instance number of hubd and <device path> is the physical path to the device in /devices directory. Messages
       from the root hub are displayed with a usb<instance number> prefix instead of hub<instance number> as the root hub is an integrated part of
       the host controller.

       Connecting device on port <number> failed.

	   The driver failed to enumerate the device connected on port <number> of hub. If enumeration fails, disconnect and re-connect.

       Use of a USB 1.0 hub behind a high speed port may cause unexpected failures.

	   Devices connected to a USB 1.0 hub which are in turn connected to an external USB 2.0 hub, may misbehave unexpectedly  or  suddenly	go
	   offline.  This is due to a documented incompatibility between USB 1.0 hubs and USB 2.0 hub Transaction Translators. Please use only USB
	   2.0 or USB 1.1 hubs behind high-speed ports.

       Connecting a high speed device to a non-high speed hub (port x) will result in a loss of performance. Please connect the device to  a  high
       speed port to get the maximum performance.

	   USB	2.0  devices connected to USB 1.0 or 1.1 hubs cannot run at their highest speed, even when the hub is in turn connected to a high-
	   speed port. For best performance, reconnect without going through a USB 1.0 or 1.1 hub.

       Cannot access <device>. Please reconnect.

	   This hub has been disconnected because a device other than the original one has been inserted. The driver informs you of this  fact	by
	   displaying the name of the original device.

       Devices not identical to the previous one on this port. Please disconnect and reconnect.

	   Same condition as described above; however in this case, the driver is unable to identify the original device with a name string.

       Hub driver supports max of <n> ports on hub. Hence, using the first <number of physical ports> of <n> ports available.

	   The	current  hub  driver supports hubs that have <n> ports or less. A hub with more than <n> ports has been plugged in. Only the first
	   <n> out of the total <number of physical ports> ports are usable.

       The following messages may be logged into the system log. They are formatted in the following manner:

       <device path> <hubd<instance number>): message...

       Global over current condition, please disconnect hub.

	   The driver detected an over current condition. This means that the aggregate current being drawn by the devices on the downstream  port
	   exceeds  a  preset  value. Refer to section 7.2.1.2 and 11.13 of the Universal Serial Bus Specification 2.0. You must remove and insert
	   this hub to render it and its downstream devices functional again. If this message continues to display for a particular hub,  you  may
	   need to remove downstream devices to eliminate the problem.

       Local power has been lost, please disconnect hub.

	   A  USB self-powered hub has lost external power. All USB devices connected down-stream from this hub will cease to function. Disconnect
	   the hub, plug in the external power-supply and then plug in the hub again.

       Local power has been lost, the hub could draw <x> mA power from the USB bus.

	   A USB self/bus-powered hub has lost external power. Some USB devices connected down-stream from this hub may  cease		 to  func-
	   tion. Disconnect the external power-supply and then plug in the hub again.

								   20 June 2005 							  hubd(7D)
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