OT ksh day of week yesterday

From: Barbara Baker <barbarabbaker_at_yahoo.com>
Date: Wed, 13 Nov 2002 10:24:37 -0800
Message-ID: <F001.005026C0.20021113102437@fatcity.com>

Will someone take pity on this poor VMS'er lost in a unix world??

I'm trying to create a script (ksh) that reads a log file created yesterday. The log files are created with `date +%a` appended to the end of the log file name. Last night a log file was created called arc_indexlog.Tue It's easy enough to get today

   TDAY="`date +%a`"
   grep -i "ora" /orasrv/ops/maint/logs/arc_indexlog.$TDAY    grep -i "ora" /orasrv/ops/maint/logs/adv_indexlog.$TDAY

but how do I get yesterday in the same format? (i.e., Tue instead of Wed) I man'd date, but it was no help.

Thanks for any help.

Barb

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Author: Barbara Baker
  INET: barbarabbaker_at_yahoo.com

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