From: Jan Pazdziora <jpazdziora@redhat.com>
Date: Thu, 10 May 2018 18:35:02 +0200
Subject: [PATCH] Avoid forking sed to get basename.


diff --git a/erts/etc/unix/erl.src.src b/erts/etc/unix/erl.src.src
index 959c099e8f..861b8bcbf1 100644
--- a/erts/etc/unix/erl.src.src
+++ b/erts/etc/unix/erl.src.src
@@ -21,7 +21,7 @@
 ROOTDIR="%FINAL_ROOTDIR%"
 BINDIR=$ROOTDIR/erts-%VSN%/bin
 EMU=%EMULATOR%%EMULATOR_NUMBER%
-PROGNAME=`echo $0 | sed 's/.*\///'`
+PROGNAME=${0##*/}
 export EMU
 export ROOTDIR
 export BINDIR
diff --git a/erts/etc/unix/start_erl.src b/erts/etc/unix/start_erl.src
index 34e0369710..62e613bba1 100644
--- a/erts/etc/unix/start_erl.src
+++ b/erts/etc/unix/start_erl.src
@@ -37,7 +37,7 @@ VSN=`awk '{print $2}' $DataFile`
 
 BINDIR=$ROOTDIR/erts-$ERTS_VSN/bin
 EMU=beam
-PROGNAME=`echo $0 | sed 's/.*\///'`
+PROGNAME=${0##*/}
 export EMU
 export ROOTDIR
 export BINDIR