archive.files: Make this slightly more efficient

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/scripts/archive.files b/src/scripts/archive.files
index 0645791d584090783a87658936449e0f65f4ab43..c512d2f9366495e677839df371c9efac0ab1975d 100755 (executable)
--- a/src/scripts/archive.files
+++ b/src/scripts/archive.files
@@ -26,7 +26,7 @@ for i in BUILD_ARCH BUILDTARGET KVER; do
        fi
 done
 
-FILELIST=
+FILELIST=()
 
 for dir in $@; do
        # Skip all objects that do not exist.
@@ -34,7 +34,7 @@ for dir in $@; do
 
        # Files go directly to the rootfile.
        if [ -f "${dir}" ]; then
-               FILELIST="${FILELIST} ${dir}"
+               FILELIST+=( "${dir}" )
                continue
        fi
 
@@ -43,7 +43,7 @@ for dir in $@; do
                EXCLUDE="$EXCLUDE $exclude"
        done
 
-       FILELIST="${FILELIST} ${EXCLUDE}"
+       FILELIST+=( "${EXCLUDE}" )
 
        for include in ${dir}/*; do
                [ -d ${include} ] && continue
@@ -54,9 +54,9 @@ for dir in $@; do
                                break
                        fi
                done
-               ${IN} && FILELIST="${FILELIST} ${include}"
+               ${IN} && FILELIST+=( "${include}" )
        done
 done
 
-cat ${FILELIST} 2>/dev/null | grep -v ^# | sort | uniq | \
+grep --no-filename -v ^# "${FILELIST[@]}" 2>/dev/null | sort -u | \
        sed -e "s/KVER/${KVER}/g" -e "s/xxxMACHINExxx/${BUILD_ARCH}/g" -e "s/BUILDTARGET/${BUILDTARGET}/g"