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Top Forums Shell Programming and Scripting Finding latest file in dir but getting syntax errors Post 302997596 by simpltyansh on Wednesday 17th of May 2017 05:52:27 AM
Old 05-17-2017
Code Finding latest file in dir but getting syntax errors

I believe there are couple of syntax issues in my script, couldn't find them Smilie
can someone help me with fixing it to make it work.

Code:
cd /abcde/
#get the latest filename excluding subdirs
filename=`ls -ltr | grep ^- | tail -1 | awk '{print $8}'`

#get system date and file timestamp and storing in variables
sysDate="$(date)"
fileDate="$(date -r $filename)"

#get day of sys and file dates
sysdateDay= `$(date +%d)`
filedateDay= `$(date -r $filename +%d)`

#get hour of sys and file dates
sysdateHour= `$(date +%H)`
filedateHour= `$(date -r $filename +%H)`

#find difference of days and hours in sys and file dates
daydiff= 'expr $day - $day2'
hourdiff= 'expr $hour - $hour2'

echo "Current date : $sysDate"
echo "File date    : $fileDate"

#checking if day is same but hour difference is more than 2 hrs
if [ $daydiff -eq "0" && $hourdiff -ge "2" ]
then
    echo "the newest file is more than 2 hours old...."

#checking if there is a day difference of 1 or more days
else if [ $daydiff -ge "1" ]
    echo  "the newest file is more than 24 hours old...."

#last file is less than 2 hours old
else
    echo "new files received within 2 hours"
fi

exit 0

 

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PX_TIMESTAMP2STRING(3)													    PX_TIMESTAMP2STRING(3)

px_timestamp2string - Converts the timestamp into a string.

SYNOPSIS
string px_timestamp2string (resource $pxdoc, float $value, string $format) DESCRIPTION
Turns a timestamp as it stored in the paradox file into human readable format. Paradox timestamps are the number of miliseconds since 0001-01-02. This function is just for convenience. It can be easily replaced by some math and the calendar functions as demonstrated in the following example. PARAMETERS
o $pxdoc - Resource identifier of the paradox database. o $value - Value as stored in paradox database field of type PX_FIELD_TIME, or PX_FIELD_TIMESTAMP. o $format - String format similar to the format used by date(3). The placeholders support by this function is a subset of those supported by date(3) (Y, y, m, n, d, j, H, h, G, g, i, s, A, a, L). RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 Turn a paradox timestamp into a human readable form <?php $px = px_new(); /* make up a date as it could be stored in */ /* a date field of a paradox db. */ /* 700000 days since 1.1.0000. */ $days = 700000; /* Use the calendar functions to print a */ /* human readable format of the date */ echo jdtogregorian($days+1721425)." "; /* Turn it into a timestamp as it stored in a paradox database */ /* Timestamps are stored in miliseconds since 0001-01-02 */ $stamp = $days * 86400.0 * 1000.0; /* Add one hour */ $stamp += 3600000.0; /* The following will output '7/15/1917 01:00:00'. */ echo px_timestamp2string($px, $stamp, "n/d/Y H:i:s")." "; px_delete($px); ?> The above example will output: 7/15/1917 7/15/1917 01:00:00 The Julian day count as passed to jdtogregorian(3) has a different base of 1.1.4714 b.c. and must therefore be calculated by adding 1721425 to the day count used in the paradox file. Turning the day count into a timestamp is easily done by multiplying with 86400000.0 to obtain miliseconds. SEE ALSO
px_date2string(3), jdtogregorian(3). PHP Documentation Group PX_TIMESTAMP2STRING(3)
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