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Full Discussion: If Condition Issue in UNIX
Top Forums Shell Programming and Scripting If Condition Issue in UNIX Post 302841413 by Pete.kriya on Wednesday 7th of August 2013 10:34:40 AM
Old 08-07-2013
Linux If Condition Issue in UNIX
Hi

I am trying to do a "IF" Condition in UNIX where we compare EACH file size in a directory with a SIZE (Parameter passed)

If Each File size EXCEEDS parameter passed SIZE then we manipulate the file.
Somehow the IF condition do not work ?? (is this Variable decalration issue ??)

Code:
 
APPS_USER_PWD=$1
APPS_USER_ID=$2
APPS_USER_NAME=$3
REQUEST_ID=$4
DIR=$5
FILE_NAME=$6
FILE_SIZE=$7
############
echo "DIRECTORY passed to the Program "$DIR
echo " "
echo "File Name passed to the program "$FILE_NAME
echo " "
echo "File Size passed to the program "$FILE_SIZE
XML_PATH_FLAG=`sqlplus -s $APPS_USER_PWD<<EOF
set head off 
set feedback off 
set echo off 
set term off 
set pages 0
set linesize 9000 
set trims on
select directory_path from dba_directories where directory_name = '${DIR}';
EXIT
EOF`
echo " "
echo "The Path Obtained to pick up Order XML Files is $XML_PATH_FLAG"
echo " "
echo "Permissions changing on XML files "
echo " "
cd $XML_PATH_FLAG
chmod 777 *.xml
echo " "
echo "Permission Changes Completed "
　
# To Loop in the Direcorty path for each file one at a time & modify each file
 if [ "X$FILE_NAME" == "X" ] ; then # Only Directory is passed , File name echo "FILE_NAME parameter not passed ....."
echo $XML_PATH_FLAG*.xml
for file in $XML_PATH_FLAG*.xml
do 
actual_size=`du $file` # getting each file Size 
 
echo " OUTSIDE CONDITION file_size is " $actual_size " and parameter_size echo  " sent is " $FILE_SIZE " for " $file 
 
if [ $actual_size > $FILE_SIZE ] ; then ### we are comapring each file size with PARAMETER passed constant SIZE ###CULPRIT??
##THE ABOVE CONDITION do not work ###
sed -i $file -e 's/<\/ItemOut>/&\n/g;' 
 
fi
done
fi

 

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LEARN ABOUT SUNOS

echo

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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