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#!/bin/sh
# usage:
# mkiconlinks linkdata icondir
#
# Linkdata file consists of lines of the form:
# filename1: filename2 filename3 ... filenameN
#
# For each line in the data file, the script creates a symbolic link to
# $(icondir)/filename1 from each of $(icondir)/filename2,
# $(icondir)/filename3 ... $(icondir)/filenameN.
exec < $1
cd $2
read NEXTLINE
while [ ! -z "$NEXTLINE" ] ; do
# Skip lines beginning with '#'
if ! echo "$NEXTLINE" | grep -q '^#'; then
#Extract first field, minus its trailing colon
ORIG_FILE=`echo $NEXTLINE | awk '/:/{print $1}' | sed -e 's/://'`
#Extract list of following fields
LINKTO=`echo $NEXTLINE | awk '/:/{for (i=2; i<=NF; i++) print $i}'`
if [ ! -z "$LINKTO" ] ; then
echo "Creating symlinks to `pwd`/$ORIG_FILE"
fi
fi
#Link each pair in turn
for i in $LINKTO ; do
ln -s -f "$ORIG_FILE" "$i"
done
read NEXTLINE
done
exit 0
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