#!/bin/bash
# Process each file and link it if it is okay.
processfile
{
lnopts=”$1″
filename=”$2″

# file must be “normal file”
if [ ! -f "$filename" ]
then
echo Not a normal file: $filename
retval=1
# must have “read perms”
elif [ ! -r "$filename" ]
then
echo “No read permissions: $filename”
retval=1
# user must either effective owner the file or effective group owner of the file
elif [ ! -O "$filename" -o ! -G "$filename" ]
then
echo “No effective ownership or effective group ownership of file: $filename”
retval=1
# Otherwise all is well, link the file to current directory using existing name
else
ln $lnopts $filename
retval=$?
fi
# Return the exit status code > 0 if a problem occured
return $retval
}
# Initialise variables
cont=’N’
lnopts=”

# Process switches
while test “$1″ = ‘-c’ ‘-o’ “$1″ = ‘-s’
do
if [ "$1" = '-c' ]
then
cont=’Y’
shift
fi
if [ "$1" = '-s' ]
then
lnopts=’-s’
shift
fi
done

echo “Commencing generation of files

if [$# -lt 1]
while read filename
do
processfile “$lnopts” “$filename”
result=$?
test $result -ne 0 -a “$cont” != ‘Y’ -a “$cont” != ‘y’ || exit 1
done
else
for filename in $*
do
processfile “$lnopts” “$filename”
result=$?
if [ $result -ne 0 -a "$cont" != 'Y' ]
then
echo -n “Error occurred. Continue (y/n/a)? ”
read $cont
test “$cont” = ‘n’ -o “$cont” = ‘N’ && exit 1
[ "$cont" = 'a' || "$cont" = 'A' ] && cont=’Y’
fi
done
fi
echo “All files processed”