bee-query: fix reading the CONTENT file and the filename handling

there were problems if a filename contains spaces

replacing the for loops and always quoting arguments fixes this issue

src/bee-query.sh.in

@@ -57,7 +57,7 @@ query() {
             eval $(${BEE_BINDIR}/beeversion $base)
             get_files "${PKGALLPKG}"
         else
-            get_pkgs ${f}
+            get_pkgs "${f}"
         fi
     done
 }
@@ -68,10 +68,10 @@ get_files() {
     for s in "" "${BEE_METADIR}" ; do
         ff="${s}/${pkg}/CONTENT"
         if [ -e "${ff}" ] ; then
-            for line in $(cat ${ff}) ; do
-                eval $(${BEESEP} ${line})
+            while read line ; do
+                eval $(${BEESEP} "${line}")
                 echo ${file}
-            done
+            done < "${ff}"
         fi
     done
 }
@@ -81,12 +81,12 @@ get_pkgs() {
 
     for pkg in $(${BEE_LIBEXECDIR}/bee/bee.d/bee-list --installed) ; do
 
-        if egrep -q "file=.*${f}" ${BEE_METADIR}/${pkg}/CONTENT ; then
+        if egrep -q "file=.*${f}" "${BEE_METADIR}/${pkg}/CONTENT" ; then
             echo ${pkg}
-            for line in $(egrep "file=.*${f}" ${BEE_METADIR}/${pkg}/CONTENT) ; do
-                eval $(${BEESEP} ${line})
+            while read line ; do
+                eval $(${BEESEP} "${line}")
                 echo "  ${file}"
-            done
+            done < <(egrep "file=.*${f}" "${BEE_METADIR}/${pkg}/CONTENT")
         fi
     done
 }