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Full Discussion: Calculate the difference of two columns and keep the line with specific value
Top Forums Shell Programming and Scripting Calculate the difference of two columns and keep the line with specific value Post 302757317 by rdrtx1 on Thursday 17th of January 2013 11:09:05 AM
Old 01-17-2013
In example: 6 cols, diff > .04? If so, try:
Code:
awk '
NR==FNR {a[$1$2$3$4$5]=$NF; next}
a[$1$2$3$4$5] {d=sprintf("%.2f",sqrt((a[$1$2$3$4$5]-$NF)**2)); if (d>.04) {$NF=d; print $0}}
' file1 file2

This User Gave Thanks to rdrtx1 For This Post:
Tzole
 

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LEARN ABOUT CENTOS

lzcmp

XZDIFF(1)							     XZ Utils								 XZDIFF(1)

NAME

       xzcmp, xzdiff, lzcmp, lzdiff - compare compressed files

SYNOPSIS

       xzcmp [cmp_options] file1 [file2]
       xzdiff [diff_options] file1 [file2]
       lzcmp [cmp_options] file1 [file2]
       lzdiff [diff_options] file1 [file2]

DESCRIPTION

       xzcmp  and  xzdiff  invoke cmp(1) or diff(1) on files compressed with xz(1), lzma(1), gzip(1), bzip2(1), or lzop(1).  All options specified
       are passed directly to cmp(1) or diff(1).  If only one file is specified, then the files compared are file1 (which must have a suffix of  a
       supported  compression format) and file1 from which the compression format suffix has been stripped.  If two files are specified, then they
       are uncompressed if necessary and fed to cmp(1) or diff(1).  The exit status from cmp(1) or diff(1) is preserved.

       The names lzcmp and lzdiff are provided for backward compatibility with LZMA Utils.

SEE ALSO

       cmp(1), diff(1), xz(1), gzip(1), bzip2(1), lzop(1), zdiff(1)

BUGS

       Messages from the cmp(1) or diff(1) programs refer to temporary filenames instead of those specified.

Tukaani 							    2011-03-19								 XZDIFF(1)
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