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1. UNIX for Dummies Questions & Answers

1 Hour less

set DAY=`date +%y%m%d` set H=`date +%H` set M=`date +%M` mailx -s "$H-Mydata" myemail@mail.com<mydata I am looking to set the current hour to have 1 hour less in the subject header: For example: let's say the system time is 8 I want to have "7-Mydata" not "8-Mydata" Can some1...

2. UNIX for Dummies Questions & Answers

an hour less in 24 hour system

My program: __________________________________ #!/bin/ksh DAY=`date +%y%m%d` H=`date +%H` M=`date +%M` day=`date +%m/%d/%y` let h=$H-1 echo DAY $DAY echo H $H echo M $M echo day $day echo h $h _____________________________________ My result:

3. Shell Programming and Scripting

help in hour grep

i have this script that checks for yesterday date and also specific hour in that ----------------------------------------------------------------- TZ=`date +%Z`+24 ;a=`date +%Y-%m-%d %k` cd logs count=0 for i in DBMaint.log do cat $i | grep $a >> file12.txt done...

4. What is on Your Mind?

Power Hour?

I had some free time at work today so I decided to get a little practice with my shell scripts (I'm pretty new to the whole UNIX thing). I'm sure I'm not the only college student here so maybe this code will come in handy for future weekends. #!/bin/sh if then echo "No playlist...

5. Shell Programming and Scripting

Getting the last hour from a log.

I have a log like this: Jan 26 13:59:41 server2 ntpdate: step time server 91.189.94.4 offset 0.065456 sec Jan 26 13:59:41 server2 ntpd: ntpd 4.2.4p8@1.1612-o Fri Aug 6 22:49:54 UTC 2010 (1) Jan 26 13:59:41 server2 ntpd: precision = 1.000 usec Jan 26 13:59:41 server2 ntpd: ntp_io: estimated max...

6. Shell Programming and Scripting

Getting previous hour in formatted form

The requirement is, i need to search for the logs for particular duration. The logs are in the format logfilename.2011-04-05-00 logfilename.2011-04-05-01 logfilename.2011-04-05-02 logfilename.2011-04-05-03 . . . . logfilename.2011-04-05-18 . . . logfilename.2011-04-05-23 the time...

7. Shell Programming and Scripting

Remove previous line if next & previous lines have same 4th character.

I want to remove commands having no output. In below text file. bash-3.2$ cat abc_do_it.txt grpg10so>show trunk group all status grpg11so>show trunk group all status grpg12so>show trunk group all status GCPKNYAIGT73IMO 1440 1345 0 0 94 0 0 INSERVICE 93% 0%...

8. Shell Programming and Scripting

How to convert 24 hour time to 12 hour timing?

Hi friends, I want to convert 24 hour timing to 12 hour please help me... my data file looks like this.. 13-Nov-2011 13:27:36 15.32044 72.68502 13-Nov-2011 12:08:31 15.31291 72.69807 16-Nov-2011 01:16:54 15.30844 72.74028 15-Nov-2011 20:09:25 15.35096 ...

9. Shell Programming and Scripting

How to get next hour?

Hi guys I want any script to get me next hour For example Nexthour.sh 2013022823 It get me result 2013030100 Thanks a lot , I'm using Solaris 10

10. UNIX for Advanced & Expert Users

Want to get average value for each hour

I want to get CPU average value only (not required user CPU & memory) with each hours on individual date. The sample output is below | | | User |Memory| User | Date | Time |CPU %|CPU % | % |Mem % | 03/02/2015|00:00:00| 24.56| 20.66| 89.75| 63.48|...

LEARN ABOUT DEBIAN

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)