Index: dd_rhelp-0.0.6/src/dd_rhelp-sh
===================================================================
--- dd_rhelp-0.0.6.orig/src/dd_rhelp-sh
+++ dd_rhelp-0.0.6/src/dd_rhelp-sh
@@ -225,9 +225,9 @@ function get_valid_dd_rescue
     else
 	[ "$DEBUG" == "on" ] && echo "BAD !" >&2
     fi
 	
-    path="$(dirname $(type -ap "$0" | "${TAIL}" -1))/dd_rescue"
+    path="$(dirname $(type -ap "$0" | "${TAIL}" -n 1))/dd_rescue"
     
     if [ -x "$path" ] ;then
 	version=$("$path" -V 2>&1 | grep "dd_rescue Version" | cut -f 3 -d " " |
 	    cut -f 1 -d ",")
@@ -356,9 +356,9 @@ function add_chunk()
     while test "$parsechunk"
     do
 
       # get first chunk already marked.
-      i="$(echo "$parsechunk" | "${HEAD}" -1 )"
+      i="$(echo "$parsechunk" | "${HEAD}" -n 1 )"
 
       # pull the two bounds
       i_start="$(echo "$i" | "${CUT}" -f 1 -d "-")"
       i_stop="$(echo "$i" | "${CUT}" -f 2 -d "-")"
@@ -371,9 +371,9 @@ function add_chunk()
       then
           # new chunk doesn't overlap with current chunk
 	  # Iterate, put current chunk in $goodchunk.
 	  goodchunk="$(echo -en "$goodchunk\n$i")"
-	  parsechunk="$(echo "$parsechunk" | "${TAIL}" +2)"
+	  parsechunk="$(echo "$parsechunk" | "${TAIL}" -n +2)"
 	  continue
       fi
 
       # new chunk ends before current chunk start ?
@@ -407,18 +407,18 @@ function add_chunk()
       # new chunk contains entirely current chunk
       if [ "$as_int" == "0" ] && [ "$ae_int" == "0" ]
       then
 	  # we forget about current chunk, and iterate.
-	  parsechunk=$(echo "$parsechunk" | "${TAIL}" +2)
+	  parsechunk=$(echo "$parsechunk" | "${TAIL}" -n +2)
 	  continue
       fi
       
       # new chunk overlap on its end with beginning of current chunk
       if [ "$as_int" == "0" ] && [ "$ae_int" == "1" ]
       then
 	  # grow new chunk to englobe current chunk.
 	  arg_stop=$i_stop
-	  parsechunk=$(echo "$parsechunk" | "${TAIL}" +2)
+	  parsechunk=$(echo "$parsechunk" | "${TAIL}" -n +2)
 
 	  break; # we can break because chunk are sorted.
       fi
 
@@ -426,9 +426,9 @@ function add_chunk()
       if [ "$as_int" == "1" ] && [ "$ae_int" == "0" ]
       then
 	  # grow new chunk to englobe current chunk.
 	  arg_start=$i_start
-	  parsechunk=$(echo "$parsechunk" | "${TAIL}" +2)
+	  parsechunk=$(echo "$parsechunk" | "${TAIL}" -n +2)
 	  continue; # new chunk might overlap more chunks
       fi
 
     done
@@ -455,9 +455,9 @@ function get_next_pos()
 
 	# finding last's chunk end.
 
 	if test "$chunk" ;then
-	   last_chunk=$(echo "$chunk" | "${TAIL}" -1 )
+	   last_chunk=$(echo "$chunk" | "${TAIL}" -n 1 )
 	   max_stop=$(echo "$last_chunk" | "${CUT}" -f 2 -d "-")
         else		   
            max_stop=0
 	fi
@@ -504,9 +504,9 @@ function get_next_pos()
 # changes $logcontent, $chunk, $eof 
 function swallow_last_summary()
 {
   # last summary of log (4 lines output by printreport())
-  last_logcontent=$("${CAT}" "$logfile" | "$tr" -d "\\r" | "$GREP" "$string" -A 3 | "${TAIL}" -4)
+  last_logcontent=$("${CAT}" "$logfile" | "$tr" -d "\\r" | "$GREP" "$string" -A 3 | "${TAIL}" -n 4)
   process_log "$last_logcontent"
 
   get_eof
 
@@ -518,9 +518,9 @@ function swallow_last_summary()
 
 function get_last_chunk()
 {
     if test "$chunk"; then
-	last_chunk="$(echo "$chunk" | "${TAIL}" -1 )"
+	last_chunk="$(echo "$chunk" | "${TAIL}" -n 1 )"
 	echo "$last_chunk" | "${CUT}" -f 2 -d "-"
     else
 	echo 0
     fi
@@ -684,10 +684,10 @@ function show_info()
   total_xferd="0";
 
   while test "$parsing" 
   do
-    firstline="$(echo "$parsing" | "${HEAD}" -1)"
-    parsing="$(echo "$parsing" | "${TAIL}" +2)"
+    firstline="$(echo "$parsing" | "${HEAD}" -n 1)"
+    parsing="$(echo "$parsing" | "${TAIL}" -n +2)"
     
     xferd="$(echo "$firstline" | "${CUT}" -f 2 -d ":" | "${CUT}" -f 2 -d "=")"
     errxfer="$(echo "$firstline" | "${CUT}" -f 4 -d ":" | "${CUT}" -f 2 -d "=")"
     succxfer="$(echo "$firstline" | "${CUT}" -f 5 -d ":" | "${CUT}" -f 2 -d "=")"
@@ -776,10 +776,10 @@ function process_log()
     parsing="$data"
     # chunk=""
     
     while test "$parsing" ;do
-	firstline="$(echo "$parsing" | "${HEAD}" -1)"
-	parsing="$(echo "$parsing" | "${TAIL}" +2)"
+	firstline="$(echo "$parsing" | "${HEAD}" -n 1)"
+	parsing="$(echo "$parsing" | "${TAIL}" -n +2)"
 	
 	ipos="$(echo $firstline | "${CUT}" -f 1 -d ":" | "${CUT}" -f 2 -d "=")"
 	xferd="$(echo $firstline | "${CUT}" -f 2 -d ":" | "${CUT}" -f 2 -d "=")"
 	rev="$(echo $firstline | "${CUT}" -f 3 -d ":")"
@@ -814,21 +814,21 @@ function load_log()
 #
 # loading into memory Summary info found in log file...
 #
     # line number of last save_log entry...
-    lnb_save=$("${CAT}" -n "$logfile" | "$tr" -d "\\r" | grep "chunk:" -A 2 | "${TAIL}" -3)
+    lnb_save=$("${CAT}" -n "$logfile" | "$tr" -d "\\r" | grep "chunk:" -A 2 | "${TAIL}" -n 3)
     
 
     if test "$lnb_save" ;then
-	lnb_save=$(echo $lnb_save | "${HEAD}" -1 | cut -f 1 -d " ")
+	lnb_save=$(echo $lnb_save | "${HEAD}" -n 1 | cut -f 1 -d " ")
 
-	end_log="$(cat "$logfile" | "$tr" -d "\\r" | "${TAIL}" "+$lnb_save")"
+	end_log="$(cat "$logfile" | "$tr" -d "\\r" | "${TAIL}" -n "+$lnb_save")"
 
-	last_lines=$(echo "$end_log" | grep "chunk:" -A 2 | "${TAIL}" -3)
+	last_lines=$(echo "$end_log" | grep "chunk:" -A 2 | "${TAIL}" -n 3)
 	
-	log=$(echo "$last_lines" | "$GREP" "chunk" | "${TAIL}" -1 )
-	log1=$(echo "$last_lines" | "$GREP" "logcontent" | "${TAIL}" -1 )
-	log2=$(echo "$last_lines" | "$GREP" "eof" | "${TAIL}" -1 )
+	log=$(echo "$last_lines" | "$GREP" "chunk" | "${TAIL}" -n 1 )
+	log1=$(echo "$last_lines" | "$GREP" "logcontent" | "${TAIL}" -n 1 )
+	log2=$(echo "$last_lines" | "$GREP" "eof" | "${TAIL}" -n 1 )
 	
 	if test "$log" && test "$log1" && test "$log2" ;then
 	    chunk="$(echo "$log" | "${CUT}" -f 2- -d ":" | "${TR}" ":" "\n")"