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Full Discussion: Check to see if a file is generating
Top Forums Shell Programming and Scripting Check to see if a file is generating Post 302937942 by twinion on Tuesday 10th of March 2015 06:34:44 PM
Old 03-10-2015
Check to see if a file is generating
Hi guys,

I am pulling my hair out here. I have a file that comes in, once it finishes i want to move it to a new location. This sounds all very easy but my solution is failing and moves the file before it has finished generating.

Code:
isrun=`ps -ef | grep -i filename | grep -v grep | wc -l`

while [ $isrun -gt 0 ]
do
sleep 60
done

i test this on the command line it works fine. while the file is generating the result is greater than 0 . But i just ran this and it grabbed the file before it finished generating. Can someone explain what i am doing wrong and or give me a simple solution. I'm sure there maybe an easier way (maybe using fuser) but it drives me insane when everything tells me it should work and it fails to. I am self taught on UNIX so im still learning, any help would be aprreciated
 

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LEARN ABOUT V7

zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep	options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

																	  ZGREP(1)
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