Replacing backticks with POSIX expression.

[live-boot-grml.git] / scripts / live

diff --git a/scripts/live b/scripts/live
index b883c92..47b4469 100755 (executable)
--- a/scripts/live
+++ b/scripts/live
@@ -36,7 +36,7 @@ Arguments ()
 {
        PRESEEDS=""
 
-       for ARGUMENT in `cat /proc/cmdline`
+       for ARGUMENT in $(cat /proc/cmdline)
        do
                case "${ARGUMENT}" in
                        access=*)
@@ -419,7 +419,7 @@ is_live_path ()
        then
                for FILESYSTEM in squashfs ext2 ext3 xfs dir
                do
-                       if [ "`echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}`" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
+                       if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
                        then
                                return 0
                        fi
@@ -631,7 +631,7 @@ do_netmount ()
 do_httpmount ()
 {
        rc=1
-       extension=`echo "${FETCH}" | sed 's/\(.*\)\.\(.*\)/\2/'`
+       extension=$(echo "${FETCH}" | sed 's/\(.*\)\.\(.*\)/\2/')
 
        case "${extension}" in
                squashfs|tgz|tar)
@@ -838,7 +838,7 @@ setup_unionfs ()
        # Let's just mount the read-only file systems first
        rofsstring=""
        rofslist=""
-       minor_kernel_version=`uname -r|cut -c 5-|sed 's/[^0-9].*//'`
+       minor_kernel_version=$(uname -r|cut -c 5-|sed 's/[^0-9].*//')
 
        if [ "${NETBOOT}" = "nfs" ] && [ "${minor_kernel_version}" -lt 22 ]
        then
@@ -851,13 +851,13 @@ setup_unionfs ()
        # Read image names from ${MODULE}.module if it exists
        if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
        then
-               for IMAGE in `cat ${image_directory}/filesystem.${MODULE}.module`
+               for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
                do
                        image_string="${image_string} ${image_directory}/${image}"
                done
        elif [ -e "${image_directory}/${MODULE}.module" ]
        then
-               for IMAGE in `cat ${image_directory}/${MODULE}.module`
+               for IMAGE in $(cat ${image_directory}/${MODULE}.module)
                do
                        image_string="${image_string} ${image_directory}/${image}"
                done
@@ -875,7 +875,7 @@ setup_unionfs ()
                done
 
                # Now sort the list
-               image_string="`echo ${image_string} | sed -e 's/ /\n/g' | sort `"
+               image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
        fi
 
        [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"