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Task/Phrase-reversals/UNIX-Shell/phrase-reversals-1.sh

@@ -0,0 +1,14 @@
+s1="rosetta code phrase reversal"
+echo "Original string ----------------------> "$s1
+
+echo -n "1.) Reverse the string ---------------> "
+echo $s1|rev
+
+echo -n "2.) Reverse characters of each word --> "
+echo $s1|tr " " "\n"|rev|tr "\n" " ";echo
+
+echo -n "3.) Reverse word order ---------------> "
+word_num=$(echo $s1|wc -w)
+while [ $word_num != 0 ];do
+echo -n $(echo $s1|cut -d " " -f $word_num);echo -n " "
+word_num=$(expr $word_num - 1);done;echo

Task/Phrase-reversals/UNIX-Shell/phrase-reversals-2.sh

@@ -0,0 +1,26 @@
+s1="rosetta code phrase reversal"
+echo "Original string                     --> "$s1
+
+echo -n "1.) Reverse the string              --> "
+length=$(echo $s1|wc -c)
+while [ $length != 0 ];do
+echo $s1|cut -c$length|tr -d "\n"
+length=$(expr $length - 1)
+done;echo
+
+echo -n "2.) Reverse characters of each word --> "
+word_quantity=$(echo $s1|wc -w)
+word_quantity=$(expr $word_quantity + 1)
+word_num=1
+while [ $word_num != $word_quantity ];do
+length=$(echo $s1|cut -d " " -f $word_num|wc -c)
+while [ $length != 0 ];do
+echo $s1|cut -d " " -f $word_num|cut -c$length|tr -d "\n"
+length=$(expr $length - 1);done;echo -n " "
+word_num=$(expr $word_num + 1);done;echo
+
+echo -n "3.) Reverse word order              --> "
+word_num=$(echo $s1|wc -w)
+while [ $word_num != 0 ];do
+echo -n $(echo $s1|cut -d " " -f $word_num);echo -n " "
+word_num=$(expr $word_num - 1);done;echo