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creating a file name based on date

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# 1  
Old 04-18-2011
creating a file name based on date
I need to automate a weekly process of piping a directory list to a csv file. Normally I do

ls -l > files_04182010.csv (04182010 being the date..)

Can someome show me how I would script this, so that when the script is ran it grabs the current date and formats it and allows me to use that in the name of the .csv file?

Thanks in advance
# 2  
Old 04-18-2011
man date
# 3  
Old 04-18-2011
Code:
mMMDDYYYY=$(date +"%m%d%Y")
ls -l > files_$mMMDDYYYY.csv

# 4  
Old 04-18-2011
This script must also be only ran on Fridays. What is the best way to do that?

I know that i must put an if statement in to check for the date, if it is friday, run it..if it isnt friday..do nothing.
# 5  
Old 04-18-2011
Put it on cron.
# 6  
Old 04-18-2011
We do not have access to cron unfortunately.
# 7  
Old 04-18-2011
Code:
weekday=$(date +%w)
if [ $weeday -ne 5 ]
then
    echo "Only run me on fridays"
    exit 1
else
    echo "Arrr, weekend ahead"
fi
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