sort case insensitive on the 1st to the third column from character 4 and then sort numerically using the / as a delimiter and then the third column , fifth character?
Seems close. I will try to review this by checking out the other sort usages you so kindly supplied me with.
I usually ise find to search a file or name on the unix, since I am not administrator, there will be many line appear 'cannot access',usually a hundred of lines. How can I prevent this line coming out? only show I want?
The command I use is :
find / -name abcdef -print
Thank all expert. (1 Reply)
how can I find cpu usage memory usage swap usage and
I want to know CPU usage above X% and contiue Y times and memory usage above X % and contiue Y times
my final destination is monitor process
logical volume usage above X % and number of Logical voluage above
can I not to... (3 Replies)
Hi to all.
I'm trying to sort this with the Unix command sort.
user1:12345678:3.5:2.5:8:1:2:3
user2:12345679:4.5:3.5:8:1:3:2
user3:12345687:5.5:2.5:6:1:3:2
user4:12345670:5.5:2.5:5:3:2:1
user5:12345671:2.5:5.5:7:2:3:1
I need to get this:
user3:12345687:5.5:2.5:6:1:3:2... (7 Replies)
Hi all,
Can you please tell me the command, with which one can know the amount of space a specific directory has used.
df -k . ---> Displays, the amount of space allocated, and used for a directory.
du -k <dir name> - gives me the memory used of all the files inside <dir>
But i... (2 Replies)
I am trying to output a log file from cp usage. I think this can be achieved. In my code I have this.
cp -i -v ~/files/* ~/backups/oldfiles/;; > ~/logs/logfile.logThe error I get is "syntax error near unexpected token '>'
What am I missing? (7 Replies)
Hi,
Could you please let me know, why we should not use '.' in move command, if we use it, is it something wrong.. Please share the details on it.
/home/rahualux/emp.csv /home/rahualux/details/employee_files/.
Or other example for mutlipile files
/home/rahualux/*.csv... (3 Replies)
Discussion started by: rahualux
3 Replies
LEARN ABOUT ULTRIX
ppmhist
ppmhist(1) General Commands Manual ppmhist(1)NAME
ppmhist - print a histogram of a portable pixmap
SYNOPSIS
ppmhist [-hexcolor] [-noheader] [-map] [-nomap] [-sort={frequency,rgb}] [ppmfile]
DESCRIPTION
Reads a PPM image as input. Generates a histogram of the colors in the image, i.e. a list of all the colors and how many pixels of each
color are in the image.
OPTIONS
-sort={frequency,rgb}
The -sort option determines the order in which the colors are listed in the output. frequency means to list them in order of how
pixels in the input image have the color, with the most represented colors first. rgb means to sort them first by the intensity of
the red component of the color, the of the green, then of the blue, with the least intense first.
The default is frequency.
-hexcolor
Print the color components in hexadecimal. Default is decimal.
-noheader
Do not print the column headings.
-map Generates a PPM file of the colormap for the image, with the color histogram as comments.
-nomap Generates the histogram for human reading. This is the default.
SEE ALSO ppm(5), pgmhist(1), ppmtomap(1), pnmhistmap(1), ppmchange(1)AUTHOR
Copyright (C) 1989 by Jef Poskanzer.
17 September 2000 ppmhist(1)