awk modify multiple columns with pipes Post: 302455026

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AWK subtraction in multiple columns

AWK subtraction in multiple columns Hi there, Can not get the following: input: 34523 934 9485 3847 394 3847 3456 9384 awk 'NR==1 {for (i = 1; i <= NF; i++) {n=$i; next}; {n-=$i} END {print n}' input output: 21188 first column only,...

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Hello, I would like to pipe two variables into awk, but I don't know how to do. Each variable, "a" and "b", are in fact a list of data. They are not files. So to get awk to work with it I am using: echo $a | awk 'FNR==NR{print $1}FNR!=NR{print $4}' The above works, but when I am...

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Hi, I'm trying to reformat a file to create a new columns reflecting the previous 2 over and over. By that I mean currently each observation has two columns and I want to create a third which has a value equal to 1 minus the sum of the previous two. This is slightly complicated as 1) I...

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Average across multiple columns - awk

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opannotate

OPANNOTATE(1)						      General Commands Manual						     OPANNOTATE(1)

NAME

       opannotate - produce source or assembly annotated with profile data

SYNOPSIS

       opannotate [ options ] [profile specification]

DESCRIPTION

       opannotate  outputs  annotated  source  and/or  assembly from profile data of an OProfile session. See oprofile(1) for how to write profile
       specifications.

OPTIONS

       --assembly / -a
	      Output annotated assembly. If this is combined with --source, then mixed source / assembly annotations are output.

       --demangle / -D none|smart|normal
	      none: no demangling. normal: use default demangler (default) smart: use pattern-matching to make C++ symbol  demangling  more  read-
	      able.

       --exclude-dependent / -x
	      Do not include application-specific images for libraries, kernel modules and the kernel. This option only makes sense if the profile
	      session used --separate.

       --exclude-file [files]
	      Exclude all files in the given comma-separated list of glob patterns.

       --exclude-symbols / -e [symbols]
	      Exclude all the symbols in the given comma-separated list.

       --help / -? / --usage
	      Show help message.

       --image-path / -p [paths]
	      Comma-separated list of additional paths to search for binaries.	This is needed to find modules in kernels 2.6 and upwards.

       --root / -R [path]
	      A path to a filesystem to search for additional binaries.

       --include-file [files]
	      Only include files in the given comma-separated list of glob patterns.

       --include-symbols / -i [symbols]
	      Only include symbols in the given comma-separated list.

       --objdump-params [params]
	      Pass the given parameters as extra values when calling objdump.

       --output-dir / -o [dir]
	      Output directory. This makes opannotate output one annotated file for each source file. This option can't  be  used  in  conjunction
	      with --assembly.

       --search-dirs / -d [paths]
	      Comma-separated  list  of  paths to search for source files. You may need to use this option when the debug information for an image
	      contains relative paths.

       --base-dirs / -b [paths]
	      Comma-separated list of paths to strip from debug source files, prior to looking for them in --search-dirs.

       --session-dir=dir_path
	      Use sample database out of directory dir_path instead of the default location (/var/lib/oprofile).

       --source / -s
	      Output annotated source. This requires debugging information to be available for the binaries.

       --threshold / -t [percentage]
	      Only output data for symbols that have more than the given percentage of total samples.

       --verbose / -V [options]
	      Give verbose debugging output.

       --version / -v
	      Show version.

ENVIRONMENT

       No special environment variables are recognised by opannotate.

FILES

       /var/lib/oprofile/samples/
	      The location of the generated sample files.

VERSION

       This man page is current for oprofile-0.9.6.

SEE ALSO

       /usr/share/doc/oprofile/, oprofile(1)

4th Berkeley Distribution					 Tue 06 July 2010						     OPANNOTATE(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

AWK subtraction in multiple columns

Discussion started by: awkward

2. Shell Programming and Scripting

Multiple pipes toward a single awk command

Discussion started by: jolecanard

3. Shell Programming and Scripting

Extracting columns from multiple files with awk

Discussion started by: orcaja

4. Shell Programming and Scripting

Generating multiple new columns with awk

Discussion started by: reformatplink