There's a small SH script I'm trying to write where it will get the current month and find a log file that is based on the date.
Example: Today is February, so the log file is going to be 201102.log (2011 + 02)
An additional thing is that if today is the 1st of a month, it will also find the log file of the previous month.
In the example's case, the previous month's log file is 201101.log.
However, when I run my script, the previous month's log file that the script tries to look for is 20111.log, which obviously ends up failing.
What's the extra bit of code I need to make it look for 201101.log?
The script works fine if the previous month is Oct, Nov, or Dec as this has already been tested.
Code:
DATE_CMD=date
# SET DEBUG to 1 to printout debug data
DEBUG=0
# SET DEBUG_NO_ACTION to 1 to prevent file transfer and update actions
DEBUG_NO_ACTION=0
if [ ${DEBUG_NO_ACTION} == 1 ]; then
echo WARNING: DEBUG_NO_ACTION set to 1, no file xfer or update will occur
fi
CURDAY=`eval ${DATE_CMD} '+%d'`
if [ ${DEBUG} == 1 ]; then
echo CURDAY: $CURDAY
fi
if [ "$CURDAY" == "01" ]; then
CURYEAR=`eval ${DATE_CMD} '+%Y'`
CURMONTH=$((`eval ${DATE_CMD} '+%m'` - 1))
if [ "$CURMONTH" == "0" ]; then
CURYEAR=$((`eval ${DATE_CMD} '+%Y'` - 1))
CURMONTH=12
fi
FILENAME=$CURYEAR$CURMONTH.log
if [ ${DEBUG} == 1 ]; then
echo PREVIOUS MONTH FILENAME: $FILENAME
fi
fi
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02-01-2011
