Command line date

[Joel1]

I have a problem with command line .sh scripting. I can not rewrite this in any other language, but I need to do a check when the script kicks off to see if the date is entered on the command line and if not, use yesterday. Here is what I have so far:

if [ $# -eq 0 ]; then
TODAY=`/usr/local/bin/cprevdate -f %m/%d/%Y`;
echo "$# is zero "
else
TODAY= $1
echo $1
fi
print "Today is $TODAY ";

exit;
I can do this in any other language, but I have never used .sh for this type of command. Please please someone, tell me what I can do to fix this!

[HROAdmin26]

Google > calculate date linux

datecalc -a 1960 12 31 - 1

[secondmouse]

Quick solution:

#!/bin/bash
[ $# -eq 0 ] && TODAY=`date -d "yesterday" "+%m/%d/%Y"` || TODAY=$1
echo "Today is $TODAY"

Slow but better solution:
man date

[HROAdmin26]

Quick solution:

#!/bin/bash
[ $# -eq 0 ] && TODAY=`date -d "yesterday" "+%m/%d/%Y"` || TODAY=$1
echo "Today is $TODAY"

Slow but better solution:
man date

Nice.

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