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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 OSX

script

SCRIPT(1)						    BSD General Commands Manual 						 SCRIPT(1)

NAME

     script -- make typescript of terminal session

SYNOPSIS

     script [-akq] [-t time] [file [command ...]]

DESCRIPTION

     The script utility makes a typescript of everything printed on your terminal.  It is useful for students who need a hardcopy record of an
     interactive session as proof of an assignment, as the typescript file can be printed out later with lpr(1).

     If the argument file is given, script saves all dialogue in file.	If no file name is given, the typescript is saved in the file typescript.

     If the argument command is given, script will run the specified command with an optional argument vector instead of an interactive shell.

     The following options are available:

     -a      Append the output to file or typescript, retaining the prior contents.

     -k      Log keys sent to program as well as output.

     -q      Run in quiet mode, omit the start and stop status messages.

     -t time
	     Specify time interval between flushing script output file.  A value of 0 causes script to flush for every character I/O event.  The
	     default interval is 30 seconds.

     The script ends when the forked shell (or command) exits (a control-D to exit the Bourne shell (sh(1)), and exit, logout or control-D (if
     ignoreeof is not set) for the C-shell, csh(1)).

     Certain interactive commands, such as vi(1), create garbage in the typescript file.  The script utility works best with commands that do not
     manipulate the screen.  The results are meant to emulate a hardcopy terminal, not an addressable one.

ENVIRONMENT

     The following environment variable is utilized by script:

     SHELL  If the variable SHELL exists, the shell forked by script will be that shell.  If SHELL is not set, the Bourne shell is assumed.  (Most
	    shells set this variable automatically).

SEE ALSO

     csh(1) (for the history mechanism).

HISTORY

     The script command appeared in 3.0BSD.

BUGS

     The script utility places everything in the log file, including linefeeds and backspaces.	This is not what the naive user expects.

     It is not possible to specify a command without also naming the script file because of argument parsing compatibility issues.

     When running in -k mode, echo cancelling is far from ideal.  The slave terminal mode is checked for ECHO mode to check when to avoid manual
     echo logging.  This does not work when in a raw mode where the program being run is doing manual echo.

BSD
								 January 22, 2004							       BSD
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