4 files changed, 6 insertions, 8 deletions

diff --git a/meta/classes/binconfig.bbclass b/meta/classes/binconfig.bbclass
index 7158c8c705..cbc4173601 100644
--- a/meta/classes/binconfig.bbclass
+++ b/meta/classes/binconfig.bbclass
@@ -57,7 +57,7 @@ binconfig_sysroot_preprocess () {
         for config in `find ${S} -name '${BINCONFIG_GLOB}'` `find ${B} -name '${BINCONFIG_GLOB}'`; do
                 configname=`basename $config`
                 install -d ${SYSROOT_DESTDIR}${bindir_crossscripts}
-                cat $config | sed ${@get_binconfig_mangle(d)} > ${SYSROOT_DESTDIR}${bindir_crossscripts}/$configname
+                sed ${@get_binconfig_mangle(d)} $config > ${SYSROOT_DESTDIR}${bindir_crossscripts}/$configname
                 chmod u+x ${SYSROOT_DESTDIR}${bindir_crossscripts}/$configname
         done
 }
diff --git a/meta/classes/buildhistory.bbclass b/meta/classes/buildhistory.bbclass
index d75e7e6fff..20382ce410 100644
--- a/meta/classes/buildhistory.bbclass
+++ b/meta/classes/buildhistory.bbclass
@@ -360,7 +360,7 @@ buildhistory_get_installed() {
 
         # Produce dependency graph
         # First, quote each name to handle characters that cause issues for dot
-        cat ${WORKDIR}/bh_installed_pkgs_deps.txt | sed 's:\([^| ]*\):"\1":g' > $1/depends.tmp && \
+        sed 's:\([^| ]*\):"\1":g' ${WORKDIR}/bh_installed_pkgs_deps.txt > $1/depends.tmp && \
                 rm ${WORKDIR}/bh_installed_pkgs_deps.txt
         # Change delimiter from pipe to -> and set style for recommend lines
         sed -i -e 's:|: -> :' -e 's:"\[REC\]":[style=dotted]:' -e 's:$:;:' $1/depends.tmp
diff --git a/meta/classes/kernel-grub.bbclass b/meta/classes/kernel-grub.bbclass
index 85721ffd70..a63f482a91 100644
--- a/meta/classes/kernel-grub.bbclass
+++ b/meta/classes/kernel-grub.bbclass
@@ -67,7 +67,7 @@ pkg_postinst_kernel-image_prepend () {
                 if [ "${grubcfg##*/}" = "grub.cfg" ]; then
                         cat "$grubcfg"
                 elif [ "${grubcfg##*/}" = "menu.list" ]; then
-                        cat "$grubcfg" | sed -e '/^default/d' -e '/^timeout/d'
+                        sed -e '/^default/d' -e '/^timeout/d' "$grubcfg"
                 fi
         }
 
diff --git a/meta/classes/sip.bbclass b/meta/classes/sip.bbclass
index 711f851593..6ed2a13bda 100644
--- a/meta/classes/sip.bbclass
+++ b/meta/classes/sip.bbclass
@@ -42,11 +42,9 @@ sip_do_generate() {
                 echo "calling 'sip4 -I sip -I ${STAGING_SIPDIR} ${SIPTAGS} ${FEATURES} -c ${module} -b ${module}/${module}.pro.in sip/${module}/${module}mod.sip'"
                 sip4 -I ${STAGING_SIPDIR} -I sip ${SIPTAGS} ${FEATURES} -c ${module} -b ${module}/${module}.sbf \
                         sip/${module}/${module}mod.sip || die "Error calling sip on ${module}"
-                cat ${module}/${module}.sbf     | sed s,target,TARGET, \
-                                                | sed s,sources,SOURCES, \
-                                                | sed s,headers,HEADERS, \
-                                                | sed s,"moc_HEADERS =","HEADERS +=", \
-                >${module}/${module}.pro
+                sed -e 's,target,TARGET,' -e 's,sources,SOURCES,' -e 's,headers,HEADERS,' \
+                        ${module}/${module}.sbf | sed s,"moc_HEADERS =","HEADERS +=", \
+                        >${module}/${module}.pro
                 echo "TEMPLATE=lib" >>${module}/${module}.pro
                 [ "${module}" = "qt" ]          && echo ""              >>${module}/${module}.pro
                 [ "${module}" = "qtcanvas" ]    && echo ""              >>${module}/${module}.pro