cleaned up bashisms

lshar.sh

@@ -16,7 +16,7 @@ f2p() {
   printf '%b' "$cprefix" # always start with the prefix
   IFS='' # separator
   while read -r -s -d '' -n1 b; do # convert every byte
-    if [ "$c" == "$l" ]; then # roll over and output suffix+prefix
+    if [ "$c" = "$l" ]; then # roll over and output suffix+prefix
       c=0 # reinit counter
       printf '%b' "$csuffix" # end the chunk
       printf '%b' "$cprefix" # begin a new chunk
@@ -36,13 +36,13 @@ f2p() {
 }
 
 # main code
-LF=$'\n' # cache the linefeed character
+LF="$(printf '\n')" # cache the linefeed character
 flist='' # pre-build the file list from args
 dlist='' # pre-build the directory list from args
 for i; do # iterate over args
   bname="${i##*/}" # get the basename
   if [ -d "$i" ]; then # it's a directory, we skip . and ..
-    [ "$bname" == '.' ] || [ "$bname" == '..' ] && continue 
+    [ "$bname" = '.' ] || [ "$bname" = '..' ] && continue 
     dlist="${dlist}${i%/}${LF}"          # append the directory
   else # it's a file
     dname="${i%%$bname}"               # get the basedir