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- #!/bin/bash
- [ -f testing.sh ] && . testing.sh
- #testing "name" "command" "result" "infile" "stdin"
- BIGTEST="one\ntwo\nthree\nfour\nfive\nsix\nseven\neight\nnine\nten\neleven\n"
- echo -ne "$BIGTEST" > file1
- testing "tail" "tail && echo yes" "oneyes\n" "" "one"
- testing "file" "tail file1" \
- "two\nthree\nfour\nfive\nsix\nseven\neight\nnine\nten\neleven\n" "" ""
- testing "-n in bounds" "tail -n 3 file1" "nine\nten\neleven\n" "" ""
- testing "-n out of bounds" "tail -n 999 file1" "$BIGTEST" "" ""
- testing "-n+ in bounds" "tail -n +3 file1" \
- "three\nfour\nfive\nsix\nseven\neight\nnine\nten\neleven\n" "" ""
- testing "-n+ outof bounds" "tail -n +999 file1" "" "" ""
- testing "-c in bounds" "tail -c 27 file1" \
- "even\neight\nnine\nten\neleven\n" "" ""
- testing "-c out of bounds" "tail -c 999 file1" "$BIGTEST" "" ""
- testing "-c+ in bounds" "tail -c +27 file1" \
- "x\nseven\neight\nnine\nten\neleven\n" "" ""
- testing "-c+ out of bonds" "tail -c +999 file1" "" "" ""
- testing "-N" "tail -1 file1" "eleven\n" "" ""
- rm file1
- testing "stdin no trailing newline" "tail -n 1 - " "c" "" "a\nb\nc"
- testing "file no trailing newline" "tail -n 1 input" "c" "a\nb\nc" ""
- testing "noseek -n in bounds" "tail -n 3" "nine\nten\neleven\n" \
- "" "$BIGTEST"
- testing "noseek -n out of bounds" "tail -n 999" "$BIGTEST" "" "$BIGTEST"
- testing "noseek -n+ in bounds" "tail -n +3" \
- "three\nfour\nfive\nsix\nseven\neight\nnine\nten\neleven\n" "" \
- "$BIGTEST"
- testing "noseek -n+ outof bounds" "tail -n +999" "" "" "$BIGTEST"
- testing "noseek -c in bounds" "tail -c 27" \
- "even\neight\nnine\nten\neleven\n" "" "$BIGTEST"
- testing "noseek -c out of bounds" "tail -c 999" "$BIGTEST" "" "$BIGTEST"
- testing "noseek -c+ in bounds" "tail -c +27" \
- "x\nseven\neight\nnine\nten\neleven\n" "" "$BIGTEST"
- testing "noseek -c+ out of bonds" "tail -c +999" "" "" "$BIGTEST"
- makebigfile()
- {
- for j in $(seq 1 100)
- do
- echo -n "$j "
- for i in $(seq 1 100)
- do
- echo -n 123456789abcefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
- done
- echo
- done
- }
- makebigfile > bigfile
- testing "-c 12345 -n 3 bigfile" "tail -c 12345 -n 3 bigfile | md5sum" \
- "347bbdcbad8a313f4dc7bd558c5bfcb8 -\n" "" ""
- testing "-n 3 -c 12345 bigfile" "tail -n 3 -c 12345 bigfile | md5sum" \
- "1698825a750288284ec3ba7d8a59f302 -\n" "" ""
- rm bigfile
- echo 111 > one
- testing "-f one" \
- 'tail -f one & sleep .25 ; echo two >> one; sleep .25; echo three >> one; sleep .25; kill $! >/dev/null' \
- "111\ntwo\nthree\n" "" ""
- rm one
- echo uno > one
- echo dos > two
- echo tres > three
- testing "-f one two three" \
- 'tail -f one two three & sleep .25 ; echo more >> three ; echo also >> one; sleep .25; kill $! >/dev/null' \
- "==> one <==\nuno\n\n==> two <==\ndos\n\n==> three <==\ntres\nmore\n\n==> one <==\nalso\n" "" ""
- rm one two three
- testing "-F" "tail -s .1 -F walrus 2>/dev/null & sleep .2; echo hello > walrus;
- sleep .2; truncate -s 0 walrus; sleep .2; echo potato >> walrus; sleep .2;
- echo hello >> walrus; sleep .2; rm walrus; sleep .2; echo done > walrus;
- sleep .5; kill %1" "hello\npotato\nhello\ndone\n" "" ""
- rm -f walrus
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