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|
#!/bin/bash
PROGNAME="$0"
usage() {
cat <<EOF
Usage:
`basename $PROGNAME` [options] [date] [cc]
Helper program to combine multiple pages of the bloomberg earnings
calendar into a single page.
Options:
-D lvl Debug level
EOF
exit 1
}
#
# Report an error and exit
#
error() {
echo "`basename $PROGNAME`: $1" >&2
exit 1
}
debug() {
if [ $DEBUG -ge $1 ]; then
echo "`basename $PROGNAME`: $2" >&2
fi
}
#
# Process the options
#
UA="Mozilla/4.0 (compatible; MSIE 5.5; Windows 98)"
DEBUG=0
unset OPTIND
while getopts "D:h?" opt
do
case $opt in
D) DEBUG="$OPTARG";;
h|\?) usage;;
esac
done
shift `expr $OPTIND - 1`
case "$#" in
0) DATE=`date +"%Y%m%d"`; CC=US;;
1) DATE="$1"; CC=US;;
*) DATE="$1"; CC="$2";;
esac
#
# Main Program
#
#
# Retrieve one URL's worth, with retries
#
get1()
{
((i = 0))
while ((i < 3)); do
debug 1 "curl -s -m10 $URL > $TMP"
curl -m10 -s -A "$UA" $URL > $TMP
if [ -s $TMP ]; then
break
fi
((++i))
done
}
#http://quote.bloomberg.com/apps/ecal?c=US&date=20030722&strtpt=1&endpt=250
if [ $DEBUG = 0 ]; then
TMPBASE=/tmp/bloomearn.$$
else
TMPBASE=/tmp/bb
fi
#
# Fire off multiple requests to retrieve 25 lines at a time.
# If we request all the lines in 1 shot, the server gets very flaky
#
((amt = 25))
((sp = 1))
((ep = sp + amt - 1))
rm -f /tmp/bb.*
while ((sp < 500)); do
URL="http://quote.bloomberg.com/apps/ecal"
URL="$URL?date=$DATE"
URL="$URL&strtpt=$sp&endpt=$ep"
URL="$URL&c=$CC"
TMP=`printf "$TMPBASE.%03d\n" $sp`
get1 &
((sp += amt))
((ep += amt))
done
#
# Wait for all pages to be retrieved
#
wait
debug 1 "Done!"
#
# Output table header
#
cat <<EOF
<tr></tr>
<tr></tr>
<tr>
<td><b>COMPANY</b></td>
<td><b> SYMBOL</b></td>
<td><b>ANN. <br> DATE</b></td>
<td><b>PERIOD<br> ENDING</b></td>
<td><b>EST/ACTUAL EPS</b></td>
<td><b> AUDIO</b></td>
</tr>
EOF
#
# Massage and combine all of the pages into a single page
#
for i in $TMPBASE.*; do
sed < $i -e '1,/;COMPANY/d' -e '/style5Itlc/,$d' \
-e '/;NEXT&/d' -e '/>PREV&/d'
if ! grep -q ";NEXT" $i; then
break;
fi
done
if [ $DEBUG = 0 ]; then
rm -f $TMPBASE.*
fi
|
