thanks very much for being so helpful. On Thu, 2004-02-05 at 10:25, Michael Chaney wrote: > On Mon, Feb 02, 2004 at 11:44:37PM -0600, Michael Chaney wrote: > > If you're using Linux, and the GNU date app, you can do this: > > > > % date -d tomorrow +%d > > > > That gives you the "day of the month" part of the date, for tomorrow. > > If it's "01", then today must be the last day of the month. Now, just > > compare the output of the command to "01". How you do this depends on > > what shell you use, hopefully it's a Bourne shell (/bin/sh, bash, > > probably ksh, too): > > > > if [ $(date -d tomorrow +%d) = "01" ]; then echo "It's the last day!"; fi > > > > In a shell script, it'll probably look more like this: > > > > if [ $(date -d tomorrow +%d) = "01" ]; then > > echo "It's the last day!" > > # do some other stuff here > > fi > > One more point in this saga. If you want to run something on the last > Tuesday of the month, for instance, you can use code like this: > > > if [ $(date +%w) = "2" ]; then > echo It's Tuesday > > if [ $(date -d "+ 1 week" +%m) != $(date +%m) ]; then > echo This is the last occurance of this particular weekday this month > fi > > fi > > And, finally, the date command that comes with FreeBSD uses similar > syntax, but instead of the "-d" use "-v" such as this: > > date -v+1w > > That will add one week to the current date before printing. > > Michael
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