04-23-2020
Thanks, that's what I was looking for, but how do I put the value into a variable instead of printing it with printf?
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1. UNIX for Dummies Questions & Answers
Hello
I am getting this very annoying issue in awk:
awk '{a=12825;b=a*1.25; print b}' test
16031.2
Thing is the multiplication result is wrong... Result should be 16031.25.
I think the issue only happens on bigger numbers.
What can I do to get passed this?
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Hi Friends,
I am trying to round following number.
0.07435000
echo "0.07435000"|awk '{printf "%s\n",$1*100}'|awk '{printf "%.2f\n",$1}'
It returns: 7.435
It should return: 7.44
Any suggestion please?
Thanks,
Prashant (2 Replies)
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I need to read the file divide 3 column with 2nd and run a modulus of 10 and check whether the remainder is zero or not if not print the entire line.
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Hi,
I have managed to round up numbers by using the following command:
echo "5.54" | awk '{printf "%.0f\n", $1}'
result
6
How can I round up all the numbers in a column in a file and print the lines with the new calculated totals?
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I received error "awk: division by zero" while executing the following statement.
SunOS 5.10 Generic_142900-15 sun4us sparc FJSV,GPUZC-M
echo 8 | awk 'END {printf ("%d\n",NR/$1 + 0.5);}' file1.lst
awk: division by zero
Can someone provide solution?
Thanks
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I had a person bring an interesting problem to me that appears to involve some sort of rounding inside awk. I've verified this with awk and nawk on Solaris as well as with gawk 3.1.5 on a Linux box.
The original code fragment he brought me was thus:
for (index=0; index < 1; index=index+.1)
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vmstat|awk '{print $3}'|tail -1
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I have some calculation in my script which is similar to the below example . I find that sometimes when using large decimal digits, the output gets automatically rounded off and it is affecting the program. I am not able to understand what is happening here..
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Hi Friends,
I have an input file like this
cat input
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chr2 330 400 1 nd
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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 5.10 28 Apr 1992 put(9F)