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Top Forums UNIX for Dummies Questions & Answers Interested in partial command output. Post 59277 by videsh77 on Wednesday 15th of December 2004 09:28:23 AM
Old 12-15-2004
Hammer & Screwdriver Interested in partial command output.

Command output is given to the console. As in the following case -

wc -l filename
produces following output
nn filename

From this, I am only interested with nn(rowcount). Cant we simply extract it thr console?

I also tried with null device, I know as - /dev/null

wc -l filename > /dev/null | cut -d " " -f 1 /dev/null

This also didnt help me.

Will I have to use temporary file, in order to retrieve only rowcount?
 

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sysmsg(7D)							      Devices								sysmsg(7D)

NAME
sysmsg - system message routing to console devices SYNOPSIS
/dev/sysmsg DESCRIPTION
The file /dev/sysmsg routes output to a variable set of console devices. Writes to /dev/sysmsg are always directed to the system console /dev/console, and are in addition directed to a set of auxiliary console devices managed by consadm(1M). Only root has permission to write to this device. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsr | +-----------------------------+-----------------------------+ |Interface Stability |Stable | +-----------------------------+-----------------------------+ SEE ALSO
consadm(1M), syslogd(1M) , attributes(5), console(7D) SunOS 5.10 13 Oct 1998 sysmsg(7D)
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