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Top Forums Shell Programming and Scripting To check wheather a file is downloaded completely or not Post 302450082 by felipe.vinturin on Wednesday 1st of September 2010 01:18:32 PM
Old 09-01-2010
Hi VPV0002,

We have two options:
1. Use the function below which will base on the file size:
Code:
#!/bin/ksh

numOfRetries=3
sleepTime=3

transfFileFinished ()
{
	valFilePath="${1}"
	if [ ! -f "${valFilePath}" ]
	then
		echo "ERROR: File does not exist: [${valFilePath}]. Exit 1."
		exit 1
	fi
	
	oldFileSize=`ls -l "${valFilePath}" | awk '{print $5}'`
	while true
	do
		if [ ${numOfRetries} -eq 0 ]
		then
			echo "File transfer ok. Max number of retries reached: [${numOfRetries}]"
			return 0
		fi
	
		currFileSize=`ls -l "${valFilePath}" | awk '{print $5}'`
		if [ ${oldFileSize} -eq ${currFileSize} ]
		then
			# If reaches here ${numOfRetries} times, so the file is ok
			numOfRetries=`expr ${numOfRetries} - 1`
		else
			echo "File size differ. Old File Size: [${oldFileSize}] - Curr File Size: [${currFileSize}]."
		fi
		
		echo "Old File Size: [${oldFileSize}] - Curr File Size: [${currFileSize}] - Retry: [${numOfRetries}] - Sleeping: [${sleepTime}]..."
		sleep ${sleepTime}
		oldFileSize=`ls -l "${valFilePath}" | awk '{print $5}'`
	done
}

transfFileFinished "./TestFile.txt"

2. From where you are sending the file, send the file with a ".tmp" in the end of the filename and after the transfer finished, use the FTP rename command and rename it to the original filename, so your ksh script will process it.

Hope it helps.

Regards.

Last edited by felipe.vinturin; 09-01-2010 at 04:38 PM..
 

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echo(1B)					     SunOS/BSD Compatibility Package Commands						  echo(1B)

NAME
echo - echo arguments to standard output SYNOPSIS
/usr/ucb/echo [-n] [argument] DESCRIPTION
echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output. echo is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi- ronment variables. For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows: o echo your current-working-directory's full pathname o pipe the output through tr to translate the path's embedded slash-characters into space-characters o pipe that output through wc -w for a count of the names in your path. example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w" See tr(1) and wc(1) for their functionality. The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be invoked if the user calls echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the black-slashed escape characters, and ksh's echo() also understands a as the audible bell character; however, these commands do not have an -n option. OPTIONS
-n Do not add the NEWLINE to the output. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5) NOTES
The -n option is a transition aid for BSD applications, and may not be supported in future releases. SunOS 5.10 3 Aug 1994 echo(1B)
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