# regression tests for the tail utilitiy
KEEP "*.dat"
TWD
export LC_ALL=C
function DATA
{
typeset f
integer n
for f
do test -f $f && continue
case $f in
10.dat) for ((i = 1; i <= 10; i++))
do print $i
done
;;
100.dat)for ((i = 1; i <= 100; i++))
do print $i
done
;;
500000.dat)
for ((i = 1; i <= 500000; i++))
do print $i
done
;;
a.dat) print a
;;
b.dat) print b
;;
esac > $f
done
}
TEST 01 'explicit file operands'
DO DATA 10.dat 100.dat
EXEC 10.dat
OUTPUT - $'1\n2\n3\n4\n5\n6\n7\n8\n9\n10'
EXEC +0 10.dat
EXEC -n +0 10.dat
EXEC +1 10.dat
EXEC -n +1 10.dat
EXEC +2 10.dat
OUTPUT - $'2\n3\n4\n5\n6\n7\n8\n9\n10'
EXEC -n +2 10.dat
EXEC -9 10.dat
EXEC -n -9 10.dat
EXEC -1 10.dat
OUTPUT - $'10'
EXEC -n -1 10.dat
EXEC +10 10.dat
EXEC -n +10 10.dat
EXEC 100.dat
OUTPUT - $'91\n92\n93\n94\n95\n96\n97\n98\n99\n100'
EXEC -1 100.dat
OUTPUT - $'100'
EXEC -n -1 100.dat
EXEC +100 100.dat
EXEC -n +100 100.dat
EXEC -2 100.dat
OUTPUT - $'99\n100'
EXEC -n -2 100.dat
EXEC +99 100.dat
EXEC -n +99 100.dat
EXEC -c 6 100.dat
OUTPUT - $'9\n100'
EXEC -6c 100.dat
EXEC -c +287 100.dat
EXEC +287c 100.dat
TEST 02 'headers'
DO DATA a.dat b.dat
EXEC a.dat
OUTPUT - $'a'
EXEC -v a.dat
OUTPUT - $'==> a.dat <==\na'
EXEC a.dat b.dat
OUTPUT - $'==> a.dat <==\na\n\n==> b.dat <==\nb'
EXEC -v a.dat b.dat
EXEC -h a.dat
OUTPUT - $'a'
EXEC -h a.dat b.dat
OUTPUT - $'a\nb'
TEST 03 'timeouts'
DO DATA a.dat b.dat
EXEC -f -t 2 a.dat
OUTPUT - $'a'
ERROR - $'tail: warning: a.dat: 2.00s timeout'
EXEC -f -t 2 a.dat b.dat
OUTPUT - $'==> a.dat <==\na\n\n==> b.dat <==\nb'
ERROR - $'tail: warning: a.dat: 2.00s timeout\ntail: warning: b.dat: 2.00s timeout'
EXEC -s -f -t 2 a.dat
OUTPUT - $'a'
ERROR -
EXEC -s -f -t 2 a.dat b.dat
OUTPUT - $'==> a.dat <==\na\n\n==> b.dat <==\nb'
EXEC -h -s -f -t 2 a.dat
OUTPUT - $'a'
EXEC -h -s -f -t 2 a.dat b.dat
OUTPUT - $'a\nb'
EXEC -h -f -t 2 a.dat
OUTPUT - $'a'
ERROR - $'tail: warning: a.dat: 2.00s timeout'
EXEC -h -f -t 2 a.dat b.dat
OUTPUT - $'a\nb'
ERROR - $'tail: warning: a.dat: 2.00s timeout\ntail: warning: b.dat: 2.00s timeout'
SET pipe-input
TEST 04 'standard input'
DO DATA 10.dat 100.dat
EXEC
SAME INPUT 10.dat
OUTPUT - $'1\n2\n3\n4\n5\n6\n7\n8\n9\n10'
EXEC -
EXEC +0
EXEC -n +0
EXEC +1
EXEC -n +1
EXEC +2
OUTPUT - $'2\n3\n4\n5\n6\n7\n8\n9\n10'
EXEC -n +2
EXEC -9
EXEC -n -9
EXEC -1
OUTPUT - $'10'
EXEC -n -1
EXEC +10
EXEC -n +10
EXEC --
SAME INPUT 100.dat
OUTPUT - $'91\n92\n93\n94\n95\n96\n97\n98\n99\n100'
EXEC -
EXEC -1
OUTPUT - $'100'
EXEC -n -1
EXEC +100
EXEC -n +100
EXEC -2
OUTPUT - $'99\n100'
EXEC -n -2
EXEC +99
EXEC -n +99
EXEC -c 6
OUTPUT - $'9\n100'
EXEC -6c
EXEC -c +287
EXEC +287c
TEST 05 'r combinations'
EXEC -r tst.dat
INPUT tst.dat $'1\n2\n3\n4\n5\n6\n7\n8\n9\n10'
OUTPUT - $'10\n9\n8\n7\n6\n5\n4\n3\n2\n1'
EXEC -1r tst.dat
OUTPUT - $'10'
EXEC -2r tst.dat
OUTPUT - $'10\n9'
EXEC -3r tst.dat
OUTPUT - $'10\n9\n8'
EXEC -4r tst.dat
OUTPUT - $'10\n9\n8\n7'
EXEC -5r tst.dat
OUTPUT - $'10\n9\n8\n7\n6'
EXEC -6r tst.dat
OUTPUT - $'10\n9\n8\n7\n6\n5'
EXEC -7r tst.dat
OUTPUT - $'10\n9\n8\n7\n6\n5\n4'
EXEC -8r tst.dat
OUTPUT - $'10\n9\n8\n7\n6\n5\n4\n3'
EXEC -9r tst.dat
OUTPUT - $'10\n9\n8\n7\n6\n5\n4\n3\n2'
EXEC -10r tst.dat
OUTPUT - $'10\n9\n8\n7\n6\n5\n4\n3\n2\n1'
EXEC -11r tst.dat
EXEC +r tst.dat
EXEC +1r tst.dat
EXEC +2r tst.dat
OUTPUT - $'10\n9\n8\n7\n6\n5\n4\n3\n2'
EXEC +3r tst.dat
OUTPUT - $'10\n9\n8\n7\n6\n5\n4\n3'
EXEC +4r tst.dat
OUTPUT - $'10\n9\n8\n7\n6\n5\n4'
EXEC +5r tst.dat
OUTPUT - $'10\n9\n8\n7\n6\n5'
EXEC +6r tst.dat
OUTPUT - $'10\n9\n8\n7\n6'
EXEC +7r tst.dat
OUTPUT - $'10\n9\n8\n7'
EXEC +8r tst.dat
OUTPUT - $'10\n9\n8'
EXEC +9r tst.dat
OUTPUT - $'10\n9'
EXEC +10r tst.dat
OUTPUT - $'10'
EXEC +11r tst.dat
OUTPUT -
# the remainder converted from the gnu tail Test.pm
TEST 10 chars
EXEC +2c
INPUT -n - $'abcd'
OUTPUT -n - $'bcd'
TEST 11 obs-c
EXEC +8c
INPUT -n - $'abcd'
OUTPUT -
EXEC -1c
INPUT -n - $'abcd'
OUTPUT -n - $'d'
EXEC -9c
INPUT -n - $'abcd'
OUTPUT -n - $'abcd'
EXEC -12c
INPUT -n - $'xyyyyyyyyyyyyz'
OUTPUT -n - $'yyyyyyyyyyyz'
EXEC -1l
INPUT - $'x'
OUTPUT - $'x'
TEST 12 obs-l
EXEC -1l
INPUT - $'x\ny'
OUTPUT - $'y'
EXEC +1l
INPUT - $'x\ny'
OUTPUT - $'x\ny'
EXEC +2l
INPUT - $'x\ny'
OUTPUT - $'y'
EXEC -1
INPUT - $'x'
OUTPUT - $'x'
TEST 13 obs
EXEC -1
INPUT - $'x\ny'
OUTPUT - $'y'
EXEC +1
INPUT - $'x\ny'
OUTPUT - $'x\ny'
EXEC +2
INPUT - $'x\ny'
OUTPUT - $'y'
EXEC +c
INPUT - $'xyyyyyyyyyyz'
OUTPUT - $'yyz'
EXEC -c
OUTPUT - $'yyyyyyyyz'
EXEC +c
INPUT -n - $'xyyyyyyyyyyz'
OUTPUT -n - $'yyz'
EXEC -c
OUTPUT -n - $'yyyyyyyyyz'
TEST 14 obsx
EXEC +l
INPUT -n - $'x\ny\ny\ny\ny\ny\ny\ny\ny\ny\ny\nz'
OUTPUT -n - $'y\ny\nz'
EXEC +cl
EXEC -l
INPUT - $'x\ny\ny\ny\ny\ny\ny\ny\ny\ny\ny\nz'
OUTPUT - $'y\ny\ny\ny\ny\ny\ny\ny\ny\nz'
EXEC -cl
TEST 15 empty
EXEC -
EXEC -c
TEST 16 err
EXEC +2cz
ERROR - $'tail: z: invalid suffix
Usage: tail [-bfhlLqrsv] [-n lines] [-c[chars]] [-t timeout] [file ...]'
EXIT 2
EXEC -2cX
ERROR - $'tail: X: invalid suffix
Usage: tail [-bfhlLqrsv] [-n lines] [-c[chars]] [-t timeout] [file ...]'
EXEC -c99999999999999999999
ERROR - $'tail: -c: 99999999999999999999: invalid numeric argument -- out of range
Usage: tail [-bfhlLqrsv] [-n lines] [-c[chars]] [-t timeout] [file ...]'
TEST 17 minus
EXEC -
INPUT - $'x\ny\ny\ny\ny\ny\ny\ny\ny\ny\ny\nz'
OUTPUT - $'y\ny\ny\ny\ny\ny\ny\ny\ny\nz'
EXEC -n 10
TEST 18 n
EXEC -n -10
INPUT - $'x\ny\ny\ny\ny\ny\ny\ny\ny\ny\ny\nz'
OUTPUT - $'y\ny\ny\ny\ny\ny\ny\ny\ny\nz'
EXEC -n +10
INPUT - $'x\ny\ny\ny\ny\ny\ny\ny\ny\ny\ny\nz'
OUTPUT - $'y\ny\nz'
EXEC -n +0
INPUT - $'y\ny\ny\ny\ny'
OUTPUT - $'y\ny\ny\ny\ny'
EXEC -n +1
INPUT - $'y\ny\ny\ny\ny'
OUTPUT - $'y\ny\ny\ny\ny'
EXEC -n -0
INPUT - $'y\ny\ny\ny\ny'
OUTPUT -
EXEC -n -1
INPUT - $'y\ny\ny\ny\ny'
OUTPUT - $'y'
EXEC -n 0
INPUT - $'y\ny\ny\ny\ny'
OUTPUT -
TEST 19 VSC#4,5,14,15,1001,1003
EXEC - more
INPUT more $'111\n222\n333\n444\n555\n666\n777\n888\n999\naaa\nbbb\nccc'
OUTPUT - $'333\n444\n555\n666\n777\n888\n999\naaa\nbbb\nccc'
EXEC -10 more
EXEC -l more
EXEC -10l more
EXEC + more
OUTPUT - $'aaa\nbbb\nccc'
EXEC +10 more
EXEC +l more
EXEC +10l more
EXEC - less
INPUT less $'111\n222\n333\n444\n555'
OUTPUT - $'111\n222\n333\n444\n555'
EXEC -l less
EXEC +c less
OUTPUT - $'33\n444\n555'
EXEC +c mini
INPUT mini $'111\n222'
OUTPUT -
EXEC +512c big
INPUT big $'1bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
2bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
3bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
4bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
5bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
6bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
7bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
8bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh'
OUTPUT - $'8bcdefgh'
EXEC +1b big
EXEC -512c big
OUTPUT - $'2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
2bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
3bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
4bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
5bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
6bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
7bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh
8bcdefgh2bcdefgh3bcdefgh4bcdefgh5bcdefgh6bcdefgh7bcdefgh8bcdefgh'
EXEC -1b big
TEST 20 VSC#20
EXEC -t1s -s -f -c -7 more
INPUT more $'111\n222\n333\n444\n555\n666\n777\n888\n999\naaa\nbbb\nccc'
OUTPUT - $'bb\nccc'
EXEC -c -7 more #21
EXEC -t1s -s -f -n +10 more
OUTPUT - $'aaa\nbbb\nccc'
EXEC -n +10 more
EXEC -t1s -s -f -n -4 more
OUTPUT - $'999\naaa\nbbb\nccc'
EXEC -n -4 more
EXEC -t1s -s -f -n +4 more
OUTPUT - $'444\n555\n666\n777\n888\n999\naaa\nbbb\nccc'
EXEC -n +4 more
EXEC -t1s -s -7lf more
OUTPUT - $'666\n777\n888\n999\naaa\nbbb\nccc'
EXEC -7l more
EXEC -t1s -s -7cf more
OUTPUT - $'bb\nccc'
EXEC -7c more
EXEC -t1s -s +33cf more
OUTPUT - $'999\naaa\nbbb\nccc'
EXEC +33c more
EXEC -t1s -s +12lf more
OUTPUT - $'ccc'
EXEC +12l more
TEST 21 xpg4
EXEC -t1s -s -f1 more
INPUT more $'111\n222\n333\n444\n555\n666\n777\n888\n999\naaa\nbbb\nccc'
OUTPUT - $'ccc'
EXEC -t1s -s -f10 more
OUTPUT - $'333\n444\n555\n666\n777\n888\n999\naaa\nbbb\nccc'
EXEC -t1s -s -f more
SET nopipe-input
TEST 30 'fifo by redirection'
JOB -f
FIFO INPUT - $'1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20'
OUTPUT - $'11\n12\n13\n14\n15\n16\n17\n18\n19\n20'
EXITED
TEST 31 'fifo by path'
JOB -f fifo
FIFO INPUT fifo $'1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20'
OUTPUT - $'11\n12\n13\n14\n15\n16\n17\n18\n19\n20'
CONTINUE
INPUT fifo $'1\n2\n3\n4\n5\n6\n7\n8\n9\n10'
OUTPUT - $'1\n2\n3\n4\n5\n6\n7\n8\n9\n10'
CONTINUE
function partial
{
integer n=${1:-4} s=1 i j
typeset -A f
for ((i = 1; i <= n; i++))
do f[$i]=1
{
print $i
for ((j = 1; j <= i; j++))
do print -n "$i $j ... "
sleep $s
print $i $j ok
done
} > $i &
done
}
TEST 32 'tail -f with partial lines'
PROG partial 4
EXEC -t2 -f 1 2 3 4
OUTPUT -e 'egrep -v "^$|^==" | sort' - $'1
1 1 ... 1 1 ok
2
2 1 ... 2 1 ok
2 2 ... 2 2 ok
3
3 1 ... 3 1 ok
3 2 ... 3 2 ok
3 3 ... 3 3 ok
4
4 1 ... 4 1 ok
4 2 ... 4 2 ok
4 3 ... 4 3 ok
4 4 ... 4 4 ok'
ERROR - $'tail: warning: 1: 2.00s timeout
tail: warning: 2: 2.00s timeout
tail: warning: 3: 2.00s timeout
tail: warning: 4: 2.00s timeout'
PROG wait
OUTPUT -
ERROR -
TEST 33 "-f large initial context"
DO DATA 500000.dat
EXEC -n 600000 -f -t 1 500000.dat
SAME OUTPUT 500000.dat
ERROR - 'tail: warning: 500000.dat: 1.00s timeout'
TEST 34 "no initial context"
DO DATA 10.dat
EXEC -n 0 10.dat
OUTPUT -
EXEC -n -0 10.dat
OUTPUT -
EXEC -0 10.dat
OUTPUT -
EXEC -n 0 -f -t 1 10.dat
ERROR - 'tail: warning: 10.dat: 1.00s timeout'
EXEC -n -0 -f -t 1 10.dat
EXEC -0 -f -t 1 10.dat
EXEC -0f -t 1 10.dat
