File bzip2-1.0.6-fix-bashisms.patch of Package bzip2.21593

Index: bzip2-1.0.6/bzgrep
===================================================================
--- bzip2-1.0.6.orig/bzgrep
+++ bzip2-1.0.6/bzgrep
@@ -63,9 +63,7 @@ for i do
     bzip2 -cdfq "$i" | $grep $opt "$pat"
     r=$?
   else
-    j=${i//\\/\\\\}
-    j=${j//|/\\|}
-    j=${j//&/\\&}
+    j=$(echo "$i" | sed 's/\\/&&/g;s/|/\\&/g;s/&/\\&/g')
     j=`printf "%s" "$j" | tr '\n' ' '`
     # A trick adapted from
     # https://groups.google.com/forum/#!original/comp.unix.shell/x1345iu10eg/Nn1n-1r1uU0J