Identifying presence and name of new file(s)? Post: 302785443

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identifying null values in a file

I have a huge file with 20 fileds in each record and each field is seperated by "|". If i want to get all the reocrds that have 18th or for that matter any filed as null how can i do it? Please let me know

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Polling continously for presence of a file

Hi, My os is sun solaris 5.10 and Korn shell scripting. I have a file name like CCNA_EARLY_SWP.w062309 where 062309 is date in mmddyy .This is the value date of the file.(will I need to check continously from 5.00 - 7.00 am daily for this file . If the file has not come at 5 am or 7am...

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check presence of input file

My script is taking a file "input.in" as input for running the script. My worry is that i need to execute the script only if the file is present, if it's not don't perform the next commands. Just to have a check at the beginning of the script : If "input.in" exists, then go on. If it's does not...

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check file for presence of set of strings

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Identifying the file completion

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Check the presence of file >size?

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Check presence of trigger file

Hi, I make a sftp connection successfully.My requirement is the script shall execute only after i find a trigger file(dailyreport.OK.psv) in the remote dir. If the trigger file is not present ,the script should exit else it should continue with the rest of the scripts statements. Below code is...

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Check file presence and delete other file

Hello, I have file all_file.txt at the end of process this file all_file.txt should be deleted only if there is no file present in dir /all_file/tmp/ or in it's sub directory. can you please help me with the peace of code for this. Thanks

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Identifying missing file dates

Hi Experts, I have written the below script to check the missing files based on the date in the file name from current date to in a given interval of days. In the file names we have dates along with some name. ex:jera_sit_2017-04-25-150325.txt. The below script is working fine if we have only...

LEARN ABOUT XFREE86

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)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

How do I test for the presence of a file in Bourne Shell

Discussion started by: vins

2. Shell Programming and Scripting

identifying null values in a file

Discussion started by: dsravan

3. Shell Programming and Scripting

Polling continously for presence of a file

Discussion started by: manoj39

4. Shell Programming and Scripting

check presence of input file

Discussion started by: newpromo