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nokia-hpux-oracle/check_date.ksh
2025-10-28 12:22:46 -04:00

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#!/usr/bin/ksh
echo "Checking date command availability and date arithmetic support..."
# Check for date commands
echo "Available date commands:"
if command -v date >/dev/null 2>&1; then
echo " date: $(which date)"
DATE_CMD="date"
else
echo " date: NOT FOUND"
fi
if command -v gdate >/dev/null 2>&1; then
echo " gdate: $(which gdate)"
if [ -z "$DATE_CMD" ]; then
DATE_CMD="gdate"
fi
else
echo " gdate: NOT FOUND in PATH"
# Check common HP-UX locations for gdate
echo " Checking common HP-UX locations for gdate..."
for gdate_path in /usr/local/bin/gdate /opt/gnu/bin/gdate /usr/contrib/bin/gdate /opt/coreutils/bin/gdate; do
if [ -x "$gdate_path" ]; then
echo " gdate: FOUND at $gdate_path"
if [ -z "$DATE_CMD" ]; then
DATE_CMD="$gdate_path"
fi
break
fi
done
if [ -z "$DATE_CMD" ] || [ "$DATE_CMD" = "date" ]; then
echo " gdate: NOT FOUND in common locations"
fi
fi
if command -v perl >/dev/null 2>&1; then
echo " perl: $(which perl)"
PERL_AVAILABLE=1
else
echo " perl: NOT FOUND"
PERL_AVAILABLE=0
fi
if [ -z "$DATE_CMD" ]; then
echo "ERROR: No date command found!"
exit 1
fi
echo ""
echo "Testing date arithmetic with: $DATE_CMD"
# Test basic date
echo "Basic date output:"
$DATE_CMD +"%Y-%m-%d %H:%M:%S"
# Test date arithmetic like used in rman_db.ksh
echo ""
echo "Testing date arithmetic: '$DATE_CMD +%m-%d-%Y\ %H:%M:%S -d \"-1 hour\"'"
if $DATE_CMD -d "-1 hour" >/dev/null 2>&1; then
RESULT=$($DATE_CMD +%m-%d-%Y\ %H:%M:%S -d '-1 hour')
echo "SUCCESS: Date arithmetic works"
echo "Result: $RESULT"
else
echo "ERROR: Date arithmetic (-d option) not supported"
echo "This system may need GNU date (gdate) installed"
fi
# Test perl-based date arithmetic as fallback
if [ $PERL_AVAILABLE -eq 1 ]; then
echo ""
echo "Testing perl-based date arithmetic fallback:"
echo "Command: perl -e 'use POSIX qw(strftime); \$time = time() - 3600; print strftime(\"%m-%d-%Y %H:%M:%S\", localtime(\$time))'"
PERL_RESULT=$(perl -e 'use POSIX qw(strftime); $time = time() - 3600; print strftime("%m-%d-%Y %H:%M:%S", localtime($time))')
echo "SUCCESS: Perl date arithmetic works"
echo "Result: $PERL_RESULT"
else
echo ""
echo "WARNING: Perl not available - no fallback for date arithmetic"
fi
echo ""
echo "Test complete."