01-27-2012
Quote:
Originally Posted by
radoulov
Which operating system are you using?
Ubuntu
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I would like to find out how can i calculate a date which is 3 months ago. I intend to run a cron job on the 1st of every month, and calculate the month 4 months earlier from the date. For example, if today's date is 1st May 2007, i would like to return 012007( January 2007).
i can get... (1 Reply)
Discussion started by: new2ss
1 Replies
2. Shell Programming and Scripting
Hello All,
I need a bash shell script to find out a day from the date.For example we give the date(20100227/YYYYMMDD) then we get the day 'Saturday'.
Thanks in advance,
Satheesh (5 Replies)
Discussion started by: satheesh4093
5 Replies
3. Shell Programming and Scripting
Hello,
I'm trying to create a shell script (#!/bin/sh) which should tell me the age of a file in minutes...
I have a process, which delivers me all 15 minutes a new file and I want to have a monitoring script, which sends me an email, if the present file is older than 20 minutes.
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4. Shell Programming and Scripting
I am unable to get this KSH script to work. Can someone help. I've been told this should work with KSH93. Which I think I have on Solaris 10.
If I do a grep -i version /usr/dt/bin/dtksh I get
@(#)Version M-12/28/93d
@(#)Version 12/28/93
@(#)Version M-12/28/93
This is correct for... (5 Replies)
Discussion started by: thibodc
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5. Shell Programming and Scripting
I wrote the day calculator also in bash. I would like to now, that is it good so?
#!/bin/bash
datum1=`date -d "1991/1/1" "+%s"`
datum2=`date "+%s"`
diff=$(($datum2-$datum1))
days=$(($diff/(60*60*24)))
echo $days
Thanks in advance for your help! (3 Replies)
Discussion started by: kovacsakos
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6. UNIX for Dummies Questions & Answers
I have two problems, and it would be great if someone could help me:
The first line does not calculate. I have checked the origin term to calculate the variables
and the result is OK. Normal substactions with $xx -100 work, but not in this constallation. I tried it with "| bc" and no result... (2 Replies)
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7. Shell Programming and Scripting
Hi Team,
We have a requirement as follows.
If a date 20141220 as parameter to the script, then the script has to return the output as 20141219.
i.e given date - 1.
The requirement is simple. But it should satisfy leap year, the months having 31 and 30 days, the date in which day light... (9 Replies)
Discussion started by: kmanivan82
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8. Shell Programming and Scripting
Hi,
I need to write a bash script that when i enter two ip address, it will calculate summerize address for them.
Examlpe:
192.168.1.27/25
192.168.1.129/25
Result will be:
192.168.1.0/24
can you help me with this script?
I even dont know how to start with it (3 Replies)
Discussion started by: Miron
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9. Shell Programming and Scripting
I am trying to use awk to calculate the average of all lines in $2 for every file in a directory. The below bash seems to do that, but I cannot figure out how to capture the string before the _ as the output file name and have it be tab-delimeted. Thank you :).
Filenames in... (3 Replies)
Discussion started by: cmccabe
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10. Shell Programming and Scripting
How to check the day name,is it saturday in bash shell script.
If dayname = saturday then
run the full load
else
run just the incremental loads
end if
Thank you very much for the helpful information. (4 Replies)
Discussion started by: cplusplus1
4 Replies
LEARN ABOUT OSF1
ppmtopgm
ppmtopgm(1) General Commands Manual ppmtopgm(1)
NAME
ppmtopgm - convert a portable pixmap into a portable graymap
SYNOPSIS
ppmtopgm [ppmfile]
DESCRIPTION
Reads a portable pixmap as input. Produces a portable graymap as output. The output is a "black and white" rendering of the original
image, as in a black and white photograph. The quantization formula used is .299 r + .587 g + .114 b.
Note that although there is a pgmtoppm program, it is not necessary for simple conversions from pgm to ppm , because any ppm program can
read pgm (and pbm ) files automatically. pgmtoppm is for colorizing a pgm file. Also, see ppmtorgb3 for a different way of converting
color to gray. And ppmdist generates a grayscale image from a color image, but in a way that makes it easy to differentiate the original
colors, not necessarily a way that looks like a black and white photograph.
QUOTE
Cold-hearted orb that rules the night
Removes the colors from our sight
Red is gray, and yellow white
But we decide which is right
And which is a quantization error.
SEE ALSO
pgmtoppm(1),ppmtorgb3(1),rgb3toppm(1),ppmdist(1),ppm(5),pgm(5)
AUTHOR
Copyright (C) 1989 by Jef Poskanzer.
10 April 2000 ppmtopgm(1)