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UNIX for Dummies Questions & Answers
question about awk
Post 302305088 by farhan_t49 on Wednesday 8th of April 2009 12:58:57 AM
04-08-2009
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1. Shell Programming and Scripting
I have the following error:
ls -lt | awk 'BEGIN NR > 1 { print $2, $9 }'
Syntax Error The source line is 1.
The error context is
BEGIN >>> NR <<< > 1 { print $2, $9 }
awk: 0602-500 Quitting The source line is 1.
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Hello,
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How I can rid of the following presentation du -sk /u*/oradata/TEST/*.dbf |awk '{print total+=$1} 1.28003e+06
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4.36134e+06
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Hi, in the following script, what does " a=$0} END " mean ?
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Can anyone help with this this one liner:
nawk -v RS='' '$1=$1' InputFile
What I have in the file:
0.0013985457223116
-0.0002338180925628
0.0
0.0003709430584958
-0.0005763523138347
0.0
And the output I want:
0.0013985457223116 -0.0002338180925628 0.0
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I have a script problem that I am not able to solve due my very limited understanding of unix/awk.
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awk '{print $1}'
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Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
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im using ls -l | xargs | awk '{what ever files here}'
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Hi Experts,
I am trying to get system output to capture inside awk , but not working:
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LEARN ABOUT OPENSOLARIS
put
put(9F) Kernel Functions for Drivers put(9F) NAME
put - call a STREAMS put procedure SYNOPSIS
#include <sys/stream.h> #include <sys/ddi.h> void put(queue_t *q, mblk_t *mp); INTERFACE LEVEL
Architecture independent level 1 (DDI/DKI). PARAMETERS
q Pointer to a STREAMS queue. mp Pointer to message block being passed into queue. DESCRIPTION
put() calls the put procedure ( put(9E) entry point) for the STREAMS queue specified by q, passing it the message block referred to by mp. It is typically used by a driver or module to call its own put procedure. CONTEXT
put() can be called from a STREAMS module or driver put or service routine, or from an associated interrupt handler, timeout, bufcall, or esballoc call-back. In the latter cases, the calling code must guarantee the validity of the q argument. Since put() may cause re-entry of the module (as it is intended to do), mutexes or other locks should not be held across calls to it, due to the risk of single-party deadlock (put(9E), putnext(9F), putctl(9F), qreply(9F)). This function is provided as a DDI/DKI conforming replacement for a direct call to a put procedure. SEE ALSO
put(9E), freezestr(9F), putctl(9F), putctl1(9F), putnext(9F), putnextctl(9F), putnextctl1(9F), qprocson(9F), qreply(9F) Writing Device Drivers STREAMS Programming Guide NOTES
The caller cannot have the stream frozen when calling this function. See freezestr(9F). DDI/DKI conforming modules and drivers are no longer permitted to call put procedures directly, but must call through the appropriate STREAMS utility function, for example, put(9E), putnext(9F), putctl(9F), and qreply(9F). This function is provided as a DDI/DKI conforming replacement for a direct call to a put procedure. The put() and putnext() functions should be called only after qprocson() is finished. SunOS 5.11 28 Apr 1992 put(9F)