Typeset -i in MVS (Mainframe system) Post: 302748809

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Top Forums Shell Programming and Scripting Typeset -i in MVS (Mainframe system) Post 302748809 by ppatra on Thursday 27th of December 2012 02:20:35 AM

12-27-2012

Registered User

Typeset -i in MVS (Mainframe system)

Hi,

I have one job that runs daily and creates daily files. At the end I compare the today's file with previous day's file. And if today's file size is greater or equal to previous day's file, then it is ok, else I need to through error.
I have following piece of code:

Code:

typeset -i SIZE_CURRDATE
typeset -i SIZE_PREVDATE
DAY=`echo $RUN_DATE | cut -c 5-6`
if [ $DAY -ne "01" ] ; then
SIZE_CURRDATE=`m_ls -l mfile:file_name |  awk '{ print $5 }' | sed 's/,//g'`
SIZE_PREVDATE=`m_ls -l mfile:file_name |  awk '{ print $5 }' | sed 's/,//g'`

echo "PREV_DATE : " $PREV_DATE
echo "SIZE_CURRDATE : " $SIZE_CURRDATE
echo "SIZE_PREVDATE : " $SIZE_PREVDATE
if [ $SIZE_CURRDATE -le $SIZE_PREVDATE ] ; then
 echo "ERROR : The output file is of zero length."
 exit -1
else
 echo "OK"
fi
fi

This runs fine in AIX UNIX. But it is giving arithmatic overflow error in MVS USS system when file size is more or equal to 10 digits.
Could you please help me to solve this?

ppatra

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echo

ECHO(1) 						    BSD General Commands Manual 						   ECHO(1)

NAME

     echo -- write arguments to the standard output

SYNOPSIS

     echo [-n] [string ...]

DESCRIPTION

     The echo utility writes any specified operands, separated by single blank (' ') characters and followed by a newline ('
') character, to the
     standard output.

     The following option is available:

     -n    Do not print the trailing newline character.

     The end-of-options marker -- is not recognized and written literally.

     The newline may also be suppressed by appending 'c' to the end of the string, as is done by iBCS2 compatible systems.  Note that the -n
     option as well as the effect of 'c' are implementation-defined in IEEE Std 1003.1-2001 (``POSIX.1'') as amended by Cor. 1-2002.  For porta-
     bility, echo should only be used if the first argument does not start with a hyphen ('-') and does not contain any backslashes ('').  If
     this is not sufficient, printf(1) should be used.

     Most shells provide a builtin echo command which tends to differ from this utility in the treatment of options and backslashes.  Consult the
     builtin(1) manual page.

EXIT STATUS

     The echo utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

     builtin(1), csh(1), printf(1), sh(1)

STANDARDS

     The echo utility conforms to IEEE Std 1003.1-2001 (``POSIX.1'') as amended by Cor. 1-2002.

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