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Full Discussion: calling external values inside awk command
Top Forums UNIX for Advanced & Expert Users calling external values inside awk command Post 302186062 by vgersh99 on Wednesday 16th of April 2008 11:06:54 AM
Old 04-16-2008
Quote:
Originally Posted by shamrock
Use a unique delimiter to separate the date from the time and then remove that delimiter with a space inside the action part of the nawk script.

Code:
nawk -v rd=`date +%Y-%m-%d::%T` 'BEGIN{FS=OFS=","}
{
sub("::"," ",rd)
n=split($3,a1,"~")
split($4,a2,"~")
split($5,a3,"~")
for(i=1;i<=n;i++) {
print $1,$2,a1[i],a2[i],a3[i],rd
}
}' Myin.txt

you don't need to go through this pain.....
as era's noted previously....
Code:
nawk -v rd="`date '+%Y-%m-%d %T'`" 'BEGIN...'

 

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LEARN ABOUT MOJAVE

ucblinks

ucblinks(1B)                                         SunOS/BSD Compatibility Package Commands                                         ucblinks(1B)

NAME

       ucblinks - adds /dev entries to give SunOS 4.x compatible names to SunOS 5.x devices

SYNOPSIS

       /usr/ucb/ucblinks [-e rulebase] [-r rootdir]

DESCRIPTION

       ucblinks  creates symbolic links under the /dev directory for devices whose SunOS 5.x names differ from their SunOS 4.x names. Where possi-
       ble, these symbolic links point to the device's SunOS 5.x name rather than to the actual /devices entry.

       ucblinks does not remove unneeded compatibility links; these must be removed by hand.

       ucblinks should be called each time the system is reconfiguration-booted, after any new SunOS 5.x links that are needed have been  created,
       since the reconfiguration may have resulted in more compatibility names being needed.

       In  releases prior to SunOS 5.4, ucblinks used a  nawk rule-base to construct the SunOS 4.x compatible names. ucblinks no longer uses  nawk
       for the default operation, although  nawk rule-bases can still be specifed with the -e option.  The  nawk rule-base equivalent to the SunOS
       5.4 default operation can be found in /usr/ucblib/ucblinks.awk.

OPTIONS

       -e rulebase     Specify rulebase as the file containing nawk(1) pattern-action statements.

       -r rootdir      Specify rootdir as the directory under which dev and devices will be found, rather than the standard root directory /.

FILES

       /usr/ucblib/ucblinks.awk        sample rule-base for compatibility links

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWscpu                     |
       +-----------------------------+-----------------------------+

SEE ALSO

       devlinks(1M), disks(1M), ports(1M), tapes(1M), attributes(5)

SunOS 5.10                                                          13 Apr 1994                                                       ucblinks(1B)
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