1 #!/bin/bash 2 3 [ -f testing.sh ] && . testing.sh 4 5 #testing "name" "command" "result" "infile" "stdin" 6 7 BIGTEST="one\ntwo\nthree\nfour\nfive\nsix\nseven\neight\nnine\nten\neleven\n" 8 echo -ne "$BIGTEST" > file1 9 testing "tail" "tail && echo yes" "oneyes\n" "" "one" 10 testing "tail file" "tail file1" \ 11 "two\nthree\nfour\nfive\nsix\nseven\neight\nnine\nten\neleven\n" "" "" 12 testing "tail -n in bounds" "tail -n 3 file1" "nine\nten\neleven\n" "" "" 13 testing "tail -n out of bounds" "tail -n 999 file1" "$BIGTEST" "" "" 14 testing "tail -n+ in bounds" "tail -n +3 file1" \ 15 "three\nfour\nfive\nsix\nseven\neight\nnine\nten\neleven\n" "" "" 16 testing "tail -n+ outof bounds" "tail -n +999 file1" "" "" "" 17 testing "tail -c in bounds" "tail -c 27 file1" \ 18 "even\neight\nnine\nten\neleven\n" "" "" 19 testing "tail -c out of bounds" "tail -c 999 file1" "$BIGTEST" "" "" 20 testing "tail -c+ in bounds" "tail -c +27 file1" \ 21 "x\nseven\neight\nnine\nten\neleven\n" "" "" 22 testing "tail -c+ out of bonds" "tail -c +999 file1" "" "" "" 23 rm file1 24 25 testing "tail stdin no trailing newline" "tail -n 1 - " "c" "" "a\nb\nc" 26 testing "tail file no trailing newline" "tail -n 1 input" "c" "a\nb\nc" "" 27 28 optional TAIL_SEEK 29 testing "tail noseek -n in bounds" "tail -n 3" "nine\nten\neleven\n" \ 30 "" "$BIGTEST" 31 testing "tail noseek -n out of bounds" "tail -n 999" "$BIGTEST" "" "$BIGTEST" 32 testing "tail noseek -n+ in bounds" "tail -n +3" \ 33 "three\nfour\nfive\nsix\nseven\neight\nnine\nten\neleven\n" "" \ 34 "$BIGTEST" 35 testing "tail noseek -n+ outof bounds" "tail -n +999" "" "" "$BIGTEST" 36 testing "tail noseek -c in bounds" "tail -c 27" \ 37 "even\neight\nnine\nten\neleven\n" "" "$BIGTEST" 38 testing "tail noseek -c out of bounds" "tail -c 999" "$BIGTEST" "" "$BIGTEST" 39 testing "tail noseek -c+ in bounds" "tail -c +27" \ 40 "x\nseven\neight\nnine\nten\neleven\n" "" "$BIGTEST" 41 testing "tail noseek -c+ out of bonds" "tail -c +999" "" "" "$BIGTEST" 42 43 makebigfile() 44 { 45 46 for j in $(seq 1 100) 47 do 48 printf "%s " $j 49 for i in $(seq 1 100) 50 do 51 printf %s 123456789abcefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ 52 done 53 echo 54 done 55 } 56 makebigfile > bigfile 57 58 testing "tail -c 12345 -n 3 bigfile" "tail -c 12345 -n 3 bigfile | md5sum" \ 59 "347bbdcbad8a313f4dc7bd558c5bfcb8 -\n" "" "" 60 testing "tail -n 3 -c 12345 bigfile" "tail -n 3 -c 12345 bigfile | md5sum" \ 61 "1698825a750288284ec3ba7d8a59f302 -\n" "" "" 62
