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help in hour grep

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Top Forums Shell Programming and Scripting help in hour grep
# 1  
Old 01-31-2008
help in hour grep
i have this script that checks for yesterday date and also specific hour in that

-----------------------------------------------------------------


TZ=`date +%Z`+24 ;a=`date +%Y-%m-%d %k`
cd logs
count=0
for i in DBMaint.log
do

cat $i | grep $a >> file12.txt
done
----------------------------------------------------------------

here k=hour which i want to set it to 22.how to do that.

actually i want to grep yesterday date and in that 22nd hour ,so how to specify that in below command


TZ=`date +%Z`+24 ;a=`date +%Y-%m-%d %k`
------------------------------------------------------------
how to set the desired value in above command for hour
Last edited by ali560045; 01-31-2008 at 03:59 AM..
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LEARN ABOUT DEBIAN

px_timestamp2string

PX_TIMESTAMP2STRING(3)					     Library Functions Manual					    PX_TIMESTAMP2STRING(3)

NAME

       PX_timestamp2string -- Convert paradox timestamp into formated string

SYNOPSIS

       #include <paradox.h>

       char * PX_timestamp2string(pxdoc_t *pxdoc, double timestamp, const char *format)

DESCRIPTION

       Creates	a  string representation of a paradox timestamp as specified in the parameter format.  The timestamp must be either retrieved with
       PX_get_data_double(3) after calling PX_get_record(3)  or  by  simply  using  the  double  value	in  the  pxval_t  struct  as  returned	by
       PX_retrieve_record(3). A timestamp contains both time and date information. The format string contains chars which stand for certain values
       of the date/time. The following table lists all available characters with a meaning. All other characters are being  copied  unmodified	to
       the output string. If a special character shall not be interpreted it must be preceded with a backslash.

       Characters and their meaning in date/time format string

       Character					   Meaning
       Y						   year, numeric, 4 digits
       y						   year, numeric, 2 digits
       m						   month, numeric
       n						   month, numeric, no leading zeroes
       d						   day of the month, numeric
       j						   T{
       day of the month, numeric, no leading zeros
       T}
       H						   hour, numeric, 24 hour format
       h						   hour, numeric, 12 hour format
       G						   T{
       hour, numeric, 24 hour format, no leading zeroes
       T}
       g						   T{
       hour, numeric, 12 hour format, no leading zeroes
       T}
       i						   minutes, numeric
       s						   seconds, numeric
       A						   AM/PM
       a						   am/pm
       L						   boolean for leap year

RETURN VALUE

       Returns pointer to string on success and NULL on failure.

SEE ALSO

       PX_time2string(3), PX_date2string(3)

AUTHOR

       This manual page was written by Uwe Steinmann uwe@steinmann.cx.

															    PX_TIMESTAMP2STRING(3)