modify 10215501406.sh

lab1/10215501406.sh

@@ -4,10 +4,10 @@ sort -d 1.txt | uniq
 sort -n 1.txt | uniq
 sort -d 1.txt | uniq > 1_uniq_by_asc.txt
 sort -n 1.txt | uniq > 1_uniq_by_num.txt
-cat 1_uniq_by_asc.txt | uniq >> 1_uniq_total.txt
-cat 1_uniq_by_num.txt | uniq >> 1_uniq_total.txt
+1_uniq_by_asc.txt >> 1_uniq_total.txt
+1_uniq_by_num.txt >> 1_uniq_total.txt
 
 #2
 for i in `seq 50000`;do echo $RANDOM | md5sum | cut -c 1-9 ;done > 2.txt
 grep 'computer' 2.txt
-grep -o 'computer' 2.txt | wc -l
+grep -o 'computer' 2.txt | wc -l