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Top Forums Shell Programming and Scripting Need some help with an archive script Post 302416226 by pseudocoder on Sunday 25th of April 2010 05:40:15 PM
Old 04-25-2010
@itkamaraj
Your solution won't work for me:
Code:
$ month=`date +%m`
$ echo $month
04
$ prev_month=`date -d "-1 month" +%m`
usage: date [-jnu] [-d dst] [-r seconds] [-t west] [-v[+|-]val[ymwdHMS]] ... 
            [-f fmt date | [[[[[cc]yy]mm]dd]HH]MM[.ss]] [+format]
$

@JKMlol
Here is my solution, but please(!) don't run it immediately against your live data.
First make a backup of all the directories and files that will be affected (/home/misc/images),
so you can restore them, if something goes wrong.
Code:
#!/bin/sh

month=`date +%m`

if [ $month -eq 01 ] ; then

    prev_month=12

elif [ $month -eq 12 ] ; then

    prev_month=11

elif [ $month -eq 11 ] ; then

    prev_month=10

elif [ $month -eq 10 ] ; then

    prev_month=9

else

   prev_month=`echo -n 0 && echo $month-1 | bc`

fi

folders="folder1 folder2 folder3 folder4 folder5"

for f in `echo $folders`
do
# comment the next line out when you know exactly what it does
# rm -v /home/misc/images/archive/$f/* 
cp -v /home/misc/images/$f/img_$month*.jpg /home/misc/images/archive/$f/
cp -v /home/misc/images/$f/img_$prev_month*.jpg /home/misc/images/archive/$f/
done

 

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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)
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