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Full Discussion: how to pass variables surrounded in double quotes to awk?
Operating Systems AIX how to pass variables surrounded in double quotes to awk? Post 302069358 by cruiser on Friday 24th of March 2006 02:46:24 PM
Old 03-24-2006
how to pass variables surrounded in double quotes to awk?
Hi,
I'm making progress on this but hung up on one last detail. I'd like to use AWK to pass the system date and time(among other things) to the first line of a file.

Here's what I have:

BEGIN {TOTALPP = 0;FREEPP=0;USEDPP=0;print "LPAR NAME:",lpar,"DATE:",tdate }

I call AWK with the following:
./diskchartstart_results | awk -v lpar=$NODE tdate=`date` -f testawk4 | more

My results:
awk: Cannot find or open file Mar.

The source line number is 1.
./diskchartstart_results: Broken pipe

Where our date format is:

Fri Mar 24 12:54:02 CST 2006

I then tried to pass tdate to awk as a variable itself:
./diskchartstart_results | awk -v lpar=$NODE tdate=$tdat -f testawk4 | more

Where tdat=`date`, then exported it.

My results:
syntax error The source line is 1.
The error context is
>>> tdate="Fri <<<
awk: Quitting
The source line is 1.
./diskchartstart_results: Broken pipe

So, then I figured I needed to pass tdat with double quotes around it:
tdat=\"`date`\"
root@test:/home/ash934 > echo $tdat
"Fri Mar 24 13:42:11 CST 2006"

but I end up with the same error from AWK. I have the feeling I'm missing something pretty simple. Any ideas on a clean way to get that done?
 

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LEARN ABOUT DEBIAN

dpkg-awk

DPKG-AWK(1)						      General Commands Manual						       DPKG-AWK(1)

NAME

       dpkg-awk - Utility to read a dpkg style db file

SYNOPSIS

       dpkg-awk [(-f|--file) filename] [(-d|--debug) ##] [(-s|--sort) list] [(-rs|--rec_sep) ??] '<fieldname>:<regex>' ... -- <out_fieldname> ..

DESCRIPTION

       dpkg-awk  Parses  a  dpkg status file (or other similarly formatted file) and outputs the resulting records.  It can use regex on the field
       values to limit the returned records, it can also be told which fields to output, and it can sort the matched fields.

OPTIONS

       -f filename
       --file filename
	      The file to parse.  The default is /var/lib/dpkg/status.

       -d [#]
       --debug [#]
	      Each time this is specified, it increased the debug level.

       -s field(s)
       --sort field(s)
	      A space or comma separated list of fields to sort on.

       -n field(s)
       --numeric field(s)
	      A space or comma separated list of fields that should be interpreted as numeric in value.

       -rs ??
       --rec_sep ??
	      Output this string at the end of each output paragraph.

       -h
       --help Display some help.

       fieldname
	      The fields from the file, that are matched with the regex given.	The fieldnames are case insensitive.

       out_fieldname
	      The fields from the file, that are output for each record.  If the first field listed begins with ^, then the list  of  fields  that
	      follows will NOT be output.

BUGS

       Be  warned  that  the author has only a shallow understanding of the dpkg packaging system, so there are probably tons of bugs in this pro-
       gram.

       This program comes with no warranties.  If running this program causes fire and brimstone to rain down upon the earth, you will be on  your
       own.

       This program accesses the dpkg database directly in places, querying for data that cannot be gotten via dpkg.

AUTHOR

       Adam Heath <doogie@debian.org>

DEBIAN
								 Debian Utilities						       DPKG-AWK(1)
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