08-19-2010
At this point you should decide whether you should hire a professional or RTFM
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1. UNIX for Dummies Questions & Answers
Hi Friends,
Can any of you explain me about the below line of code?
mn_code=`env|grep "..mn"|awk -F"=" '{print $2}'`
Im not able to understand, what exactly it is doing :confused:
Any help would be useful for me.
Lokesha (4 Replies)
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2. HP-UX
Hi people!
I've got this own library:
--------------------------------------------
Personal.h
--------------------------------------------
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Hi All,
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Hi,
I have line in input file as below:
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I am trying to find lines in a text file larger than 3 Gb that start with a given string. My command looks like this:
$ look "string" "/home/patrick/filename.txt"
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How to use "mailx" command to do e-mail reading the input file containing email address, where column 1 has name and column 2 containing “To” e-mail address
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8. Shell Programming and Scripting
Hello.
System : opensuse leap 42.3
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LEARN ABOUT DEBIAN
pgmtexture
pgmtexture(1) General Commands Manual pgmtexture(1)
NAME
pgmtexture - calculate textural features on a portable graymap
SYNOPSIS
pgmtexture [-d d] [pgmfile]
DESCRIPTION
Reads a portable graymap as input. Calculates textural features based on spatial dependence matrices at 0, 45, 90, and 135 degrees for a
distance d (default = 1). Textural features include:
(1) Angular Second Moment,
(2) Contrast,
(3) Correlation,
(4) Variance,
(5) Inverse Difference Moment,
(6) Sum Average,
(7) Sum Variance,
(8) Sum Entropy,
(9) Entropy,
(10) Difference Variance,
(11) Difference Entropy,
(12, 13) Information Measures of Correlation, and
(14) Maximal Correlation Coefficient.
Algorithm taken from:
Haralick, R.M., K. Shanmugam, and I. Dinstein. 1973. Textural features for image classification. IEEE Transactions on Systems, Man, and
Cybertinetics, SMC-3(6):610-621.
BUGS
The program can run incredibly slow for large images (larger than 64 x 64) and command line options are limited. The method for finding
(14) the maximal correlation coefficient, which requires finding the second largest eigenvalue of a matrix Q, does not always converge.
REFERENCES
IEEE Transactions on Systems, Man, and Cybertinetics, SMC-3(6):610-621.
SEE ALSO
pgm(5), pnmcut(1)
AUTHOR
Copyright (C) 1991 by Texas Agricultural Experiment Station, employer for hire of James Darrell McCauley.
22 Aug 1991 pgmtexture(1)