add some more tail tests, from Martijn van Duren

25 files changed, 2122 insertions, 1 deletions

diff --git a/regress/usr.bin/tail/Makefile b/regress/usr.bin/tail/Makefile
index 5adb880a532..f0da0dd4753 100644
--- a/regress/usr.bin/tail/Makefile
+++ b/regress/usr.bin/tail/Makefile
@@ -1,6 +1,9 @@
-# $OpenBSD: Makefile,v 1.1 2012/11/01 10:49:11 landry Exp $
+# $OpenBSD: Makefile,v 1.2 2015/11/24 04:04:19 tedu Exp $
 
 REGRESS_TARGETS = follow-renames follow-overwrite-by-file follow-overwrite-data follow-removed-recreated follow-newsyslog
+REGRESS_TARGETS+= forward-blocks forward-chars forward-lines reverse-blocks reverse-chars reverse-lines
+REGRESS_TARGETS+= forward-blocks-rprint forward-chars-rprint forward-lines-rprint
+REGRESS_TARGETS+= reverse-blocks-rprint reverse-chars-rprint reverse-lines-rprint
 REGRESS_ROOT_TARGETS = follow-newsyslog
 
 .for t in ${REGRESS_ROOT_TARGETS}
diff --git a/regress/usr.bin/tail/forward-blocks-rprint.out b/regress/usr.bin/tail/forward-blocks-rprint.out
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/regress/usr.bin/tail/forward-blocks-rprint.out
diff --git a/regress/usr.bin/tail/forward-blocks-rprint.sh b/regress/usr.bin/tail/forward-blocks-rprint.sh
new file mode 100644
index 00000000000..63a87ac2432
--- /dev/null
+++ b/regress/usr.bin/tail/forward-blocks-rprint.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+#
+# $OpenBSD: forward-blocks-rprint.sh,v 1.1 2015/11/24 04:04:19 tedu Exp $
+
+# test if tail grep the correct number of blocks from a file.
+
+DIR=$(mktemp -d)
+echo DIR=${DIR}
+
+NAME=${0##*/}
+OUT=${DIR}/${NAME%%.sh}.out
+i=0
+while [ ${i} -lt 512 ]; do
+	echo ${i} >> ${DIR}/bar
+	i=$((i+1))
+done
+
+tail -r -b +1 ${DIR}/bar > ${OUT}
+
+diff -u ${OUT} ${0%%.sh}.out || exit 1
+
+# cleanup if okay
+rm -Rf ${DIR}
diff --git a/regress/usr.bin/tail/forward-blocks.out b/regress/usr.bin/tail/forward-blocks.out
new file mode 100644
index 00000000000..84fb9221523
--- /dev/null
+++ b/regress/usr.bin/tail/forward-blocks.out
@@ -0,0 +1,512 @@
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diff --git a/regress/usr.bin/tail/forward-blocks.sh b/regress/usr.bin/tail/forward-blocks.sh
new file mode 100644
index 00000000000..727f95461c7
--- /dev/null
+++ b/regress/usr.bin/tail/forward-blocks.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+#
+# $OpenBSD: forward-blocks.sh,v 1.1 2015/11/24 04:04:19 tedu Exp $
+
+# test if tail grep the correct number of blocks from a file.
+
+DIR=$(mktemp -d)
+echo DIR=${DIR}
+
+NAME=${0##*/}
+OUT=${DIR}/${NAME%%.sh}.out
+i=0
+while [ ${i} -lt 512 ]; do
+	echo ${i} >> ${DIR}/bar
+	i=$((i+1))
+done
+
+tail -b +1 ${DIR}/bar > ${OUT}
+
+diff -u ${OUT} ${0%%.sh}.out || exit 1
+
+# cleanup if okay
+rm -Rf ${DIR}
diff --git a/regress/usr.bin/tail/forward-chars-rprint.out b/regress/usr.bin/tail/forward-chars-rprint.out
new file mode 100644
index 00000000000..cf004cad0f8
--- /dev/null
+++ b/regress/usr.bin/tail/forward-chars-rprint.out
@@ -0,0 +1,13 @@
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+
diff --git a/regress/usr.bin/tail/forward-chars-rprint.sh b/regress/usr.bin/tail/forward-chars-rprint.sh
new file mode 100644
index 00000000000..e832158aa36
--- /dev/null
+++ b/regress/usr.bin/tail/forward-chars-rprint.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+#
+# $OpenBSD: forward-chars-rprint.sh,v 1.1 2015/11/24 04:04:19 tedu Exp $
+
+# test if tail grep the correct number of blocks from a file.
+
+DIR=$(mktemp -d)
+echo DIR=${DIR}
+
+NAME=${0##*/}
+OUT=${DIR}/${NAME%%.sh}.out
+i=0
+while [ ${i} -lt 512 ]; do
+	echo ${i} >> ${DIR}/bar
+	i=$((i+1))
+done
+
+tail -r -c +50 ${DIR}/bar > ${OUT}
+
+diff -u ${OUT} ${0%%.sh}.out || exit 1
+
+# cleanup if okay
+rm -Rf ${DIR}
diff --git a/regress/usr.bin/tail/forward-chars.out b/regress/usr.bin/tail/forward-chars.out
new file mode 100644
index 00000000000..e9d867f7cd1
--- /dev/null
+++ b/regress/usr.bin/tail/forward-chars.out
@@ -0,0 +1,493 @@
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diff --git a/regress/usr.bin/tail/forward-chars.sh b/regress/usr.bin/tail/forward-chars.sh
new file mode 100644
index 00000000000..a82ddbf94ac
--- /dev/null
+++ b/regress/usr.bin/tail/forward-chars.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+#
+# $OpenBSD: forward-chars.sh,v 1.1 2015/11/24 04:04:19 tedu Exp $
+
+# test if tail grep the correct number of blocks from a file.
+
+DIR=$(mktemp -d)
+echo DIR=${DIR}
+
+NAME=${0##*/}
+OUT=${DIR}/${NAME%%.sh}.out
+i=0
+while [ ${i} -lt 512 ]; do
+	echo ${i} >> ${DIR}/bar
+	i=$((i+1))
+done
+
+tail -c +50 ${DIR}/bar > ${OUT}
+
+diff -u ${OUT} ${0%%.sh}.out || exit 1
+
+# cleanup if okay
+rm -Rf ${DIR}
diff --git a/regress/usr.bin/tail/forward-lines-rprint.out b/regress/usr.bin/tail/forward-lines-rprint.out
new file mode 100644
index 00000000000..32a79c6557a
--- /dev/null
+++ b/regress/usr.bin/tail/forward-lines-rprint.out
@@ -0,0 +1,4 @@
+511
+510
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diff --git a/regress/usr.bin/tail/forward-lines-rprint.sh b/regress/usr.bin/tail/forward-lines-rprint.sh
new file mode 100644
index 00000000000..fe65d9b2682
--- /dev/null
+++ b/regress/usr.bin/tail/forward-lines-rprint.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# $OpenBSD: forward-lines-rprint.sh,v 1.1 2015/11/24 04:04:19 tedu Exp $
+
+# test if tail grep the correct number of blocks from a file.
+
+DIR=$(mktemp -d)
+echo DIR=${DIR}
+
+NAME=${0##*/}
+OUT=${DIR}/${NAME%%.sh}.out
+i=0
+while [ ${i} -lt 512 ]; do
+	echo ${i} >> ${DIR}/bar
+	i=$((i+1))
+done
+
+tail -r -n +5 ${DIR}/bar > ${OUT}
+tail -r +5 ${DIR}/bar > ${OUT}1
+
+diff -u ${OUT} ${OUT}1 || exit 1
+diff -u ${OUT} ${0%%.sh}.out || exit 1
+
+# cleanup if okay
+rm -Rf ${DIR}
diff --git a/regress/usr.bin/tail/forward-lines.out b/regress/usr.bin/tail/forward-lines.out
new file mode 100644
index 00000000000..bda61c7c2fb
--- /dev/null
+++ b/regress/usr.bin/tail/forward-lines.out
@@ -0,0 +1,508 @@
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+386
+387
+388
+389
+390
+391
+392
+393
+394
+395
+396
+397
+398
+399
+400
+401
+402
+403
+404
+405
+406
+407
+408
+409
+410
+411
+412
+413
+414
+415
+416
+417
+418
+419
+420
+421
+422
+423
+424
+425
+426
+427
+428
+429
+430
+431
+432
+433
+434
+435
+436
+437
+438
+439
+440
+441
+442
+443
+444
+445
+446
+447
+448
+449
+450
+451
+452
+453
+454
+455
+456
+457
+458
+459
+460
+461
+462
+463
+464
+465
+466
+467
+468
+469
+470
+471
+472
+473
+474
+475
+476
+477
+478
+479
+480
+481
+482
+483
+484
+485
+486
+487
+488
+489
+490
+491
+492
+493
+494
+495
+496
+497
+498
+499
+500
+501
+502
+503
+504
+505
+506
+507
+508
+509
+510
+511
diff --git a/regress/usr.bin/tail/forward-lines.sh b/regress/usr.bin/tail/forward-lines.sh
new file mode 100644
index 00000000000..2ed03b23436
--- /dev/null
+++ b/regress/usr.bin/tail/forward-lines.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# $OpenBSD: forward-lines.sh,v 1.1 2015/11/24 04:04:19 tedu Exp $
+
+# test if tail grep the correct number of blocks from a file.
+
+DIR=$(mktemp -d)
+echo DIR=${DIR}
+
+NAME=${0##*/}
+OUT=${DIR}/${NAME%%.sh}.out
+i=0
+while [ ${i} -lt 512 ]; do
+	echo ${i} >> ${DIR}/bar
+	i=$((i+1))
+done
+
+tail -n +5 ${DIR}/bar > ${OUT}
+tail +5 ${DIR}/bar > ${OUT}1
+
+diff -u ${OUT} ${OUT}1 || exit 1
+diff -u ${OUT} ${0%%.sh}.out || exit 1
+
+# cleanup if okay
+rm -Rf ${DIR}
diff --git a/regress/usr.bin/tail/reverse-blocks-rprint.out b/regress/usr.bin/tail/reverse-blocks-rprint.out
new file mode 100644
index 00000000000..5d8a88e8d04
--- /dev/null
+++ b/regress/usr.bin/tail/reverse-blocks-rprint.out
@@ -0,0 +1,128 @@
+511
+510
+509
+508
+507
+506
+505
+504
+503
+502
+501
+500
+499
+498
+497
+496
+495
+494
+493
+492
+491
+490
+489
+488
+487
+486
+485
+484
+483
+482
+481
+480
+479
+478
+477
+476
+475
+474
+473
+472
+471
+470
+469
+468
+467
+466
+465
+464
+463
+462
+461
+460
+459
+458
+457
+456
+455
+454
+453
+452
+451
+450
+449
+448
+447
+446
+445
+444
+443
+442
+441
+440
+439
+438
+437
+436
+435
+434
+433
+432
+431
+430
+429
+428
+427
+426
+425
+424
+423
+422
+421
+420
+419
+418
+417
+416
+415
+414
+413
+412
+411
+410
+409
+408
+407
+406
+405
+404
+403
+402
+401
+400
+399
+398
+397
+396
+395
+394
+393
+392
+391
+390
+389
+388
+387
+386
+385
+384
diff --git a/regress/usr.bin/tail/reverse-blocks-rprint.sh b/regress/usr.bin/tail/reverse-blocks-rprint.sh
new file mode 100644
index 00000000000..1e68d8b352b
--- /dev/null
+++ b/regress/usr.bin/tail/reverse-blocks-rprint.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# $OpenBSD: reverse-blocks-rprint.sh,v 1.1 2015/11/24 04:04:19 tedu Exp $
+
+# test if tail grep the correct number of blocks from a file.
+
+DIR=$(mktemp -d)
+echo DIR=${DIR}
+
+NAME=${0##*/}
+OUT=${DIR}/${NAME%%.sh}.out
+i=0
+while [ ${i} -lt 512 ]; do
+	echo ${i} >> ${DIR}/bar
+	i=$((i+1))
+done
+
+tail -rb 1 ${DIR}/bar > ${OUT}
+tail -r -b -1 ${DIR}/bar > ${OUT}1
+
+diff -u ${OUT} ${OUT}1 || exit 1
+diff -u ${OUT} ${0%%.sh}.out || exit 1
+
+# cleanup if okay
+rm -Rf ${DIR}
diff --git a/regress/usr.bin/tail/reverse-blocks.out b/regress/usr.bin/tail/reverse-blocks.out
new file mode 100644
index 00000000000..7859051cf77
--- /dev/null
+++ b/regress/usr.bin/tail/reverse-blocks.out
@@ -0,0 +1,128 @@
+384
+385
+386
+387
+388
+389
+390
+391
+392
+393
+394
+395
+396
+397
+398
+399
+400
+401
+402
+403
+404
+405
+406
+407
+408
+409
+410
+411
+412
+413
+414
+415
+416
+417
+418
+419
+420
+421
+422
+423
+424
+425
+426
+427
+428
+429
+430
+431
+432
+433
+434
+435
+436
+437
+438
+439
+440
+441
+442
+443
+444
+445
+446
+447
+448
+449
+450
+451
+452
+453
+454
+455
+456
+457
+458
+459
+460
+461
+462
+463
+464
+465
+466
+467
+468
+469
+470
+471
+472
+473
+474
+475
+476
+477
+478
+479
+480
+481
+482
+483
+484
+485
+486
+487
+488
+489
+490
+491
+492
+493
+494
+495
+496
+497
+498
+499
+500
+501
+502
+503
+504
+505
+506
+507
+508
+509
+510
+511
diff --git a/regress/usr.bin/tail/reverse-blocks.sh b/regress/usr.bin/tail/reverse-blocks.sh
new file mode 100644
index 00000000000..9ed1ac77066
--- /dev/null
+++ b/regress/usr.bin/tail/reverse-blocks.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# $OpenBSD: reverse-blocks.sh,v 1.1 2015/11/24 04:04:19 tedu Exp $
+
+# test if tail grep the correct number of blocks from a file.
+
+DIR=$(mktemp -d)
+echo DIR=${DIR}
+
+NAME=${0##*/}
+OUT=${DIR}/${NAME%%.sh}.out
+i=0
+while [ ${i} -lt 512 ]; do
+	echo ${i} >> ${DIR}/bar
+	i=$((i+1))
+done
+
+tail -b 1 ${DIR}/bar > ${OUT}
+tail -b -1 ${DIR}/bar > ${OUT}1
+
+diff -u ${OUT} ${OUT}1 || exit 1
+diff -u ${OUT} ${0%%.sh}.out || exit 1
+
+# cleanup if okay
+rm -Rf ${DIR}
diff --git a/regress/usr.bin/tail/reverse-chars-rprint.out b/regress/usr.bin/tail/reverse-chars-rprint.out
new file mode 100644
index 00000000000..6b32a461a5c
--- /dev/null
+++ b/regress/usr.bin/tail/reverse-chars-rprint.out
@@ -0,0 +1,13 @@
+511
+510
+509
+508
+507
+506
+505
+504
+503
+502
+501
+500
+9
diff --git a/regress/usr.bin/tail/reverse-chars-rprint.sh b/regress/usr.bin/tail/reverse-chars-rprint.sh
new file mode 100644
index 00000000000..7e8854fc711
--- /dev/null
+++ b/regress/usr.bin/tail/reverse-chars-rprint.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# $OpenBSD: reverse-chars-rprint.sh,v 1.1 2015/11/24 04:04:19 tedu Exp $
+
+# test if tail grep the correct number of blocks from a file.
+
+DIR=$(mktemp -d)
+echo DIR=${DIR}
+
+NAME=${0##*/}
+OUT=${DIR}/${NAME%%.sh}.out
+i=0
+while [ ${i} -lt 512 ]; do
+	echo ${i} >> ${DIR}/bar
+	i=$((i+1))
+done
+
+tail -rc 50 ${DIR}/bar > ${OUT}
+tail -r -c -50 ${DIR}/bar > ${OUT}1
+
+diff -u ${OUT} ${OUT}1 || exit 1
+diff -u ${OUT} ${0%%.sh}.out || exit 1
+
+# cleanup if okay
+rm -Rf ${DIR}
diff --git a/regress/usr.bin/tail/reverse-chars.out b/regress/usr.bin/tail/reverse-chars.out
new file mode 100644
index 00000000000..7fb217140b5
--- /dev/null
+++ b/regress/usr.bin/tail/reverse-chars.out
@@ -0,0 +1,13 @@
+9
+500
+501
+502
+503
+504
+505
+506
+507
+508
+509
+510
+511
diff --git a/regress/usr.bin/tail/reverse-chars.sh b/regress/usr.bin/tail/reverse-chars.sh
new file mode 100644
index 00000000000..e4e2c98f933
--- /dev/null
+++ b/regress/usr.bin/tail/reverse-chars.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# $OpenBSD: reverse-chars.sh,v 1.1 2015/11/24 04:04:19 tedu Exp $
+
+# test if tail grep the correct number of blocks from a file.
+
+DIR=$(mktemp -d)
+echo DIR=${DIR}
+
+NAME=${0##*/}
+OUT=${DIR}/${NAME%%.sh}.out
+i=0
+while [ ${i} -lt 512 ]; do
+	echo ${i} >> ${DIR}/bar
+	i=$((i+1))
+done
+
+tail -c 50 ${DIR}/bar > ${OUT}
+tail -c -50 ${DIR}/bar > ${OUT}1
+
+diff -u ${OUT} ${OUT}1 || exit 1
+diff -u ${OUT} ${0%%.sh}.out || exit 1
+
+# cleanup if okay
+rm -Rf ${DIR}
diff --git a/regress/usr.bin/tail/reverse-lines-rprint.out b/regress/usr.bin/tail/reverse-lines-rprint.out
new file mode 100644
index 00000000000..db9421aa2a5
--- /dev/null
+++ b/regress/usr.bin/tail/reverse-lines-rprint.out
@@ -0,0 +1,5 @@
+511
+510
+509
+508
+507
diff --git a/regress/usr.bin/tail/reverse-lines-rprint.sh b/regress/usr.bin/tail/reverse-lines-rprint.sh
new file mode 100644
index 00000000000..a71e4ad9cdf
--- /dev/null
+++ b/regress/usr.bin/tail/reverse-lines-rprint.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+#
+# $OpenBSD: reverse-lines-rprint.sh,v 1.1 2015/11/24 04:04:19 tedu Exp $
+
+# test if tail grep the correct number of blocks from a file.
+
+DIR=$(mktemp -d)
+echo DIR=${DIR}
+
+NAME=${0##*/}
+OUT=${DIR}/${NAME%%.sh}.out
+i=0
+while [ ${i} -lt 512 ]; do
+	echo ${i} >> ${DIR}/bar
+	i=$((i+1))
+done
+
+tail -rn 5 ${DIR}/bar > ${OUT}
+tail -r -n -5 ${DIR}/bar > ${OUT}1
+tail -r -5 ${DIR}/bar > ${OUT}2
+
+diff -u ${OUT} ${OUT}1 || exit 1
+diff -u ${OUT} ${OUT}2 || exit 1
+diff -u ${OUT} ${0%%.sh}.out || exit 1
+
+# cleanup if okay
+rm -Rf ${DIR}
diff --git a/regress/usr.bin/tail/reverse-lines.out b/regress/usr.bin/tail/reverse-lines.out
new file mode 100644
index 00000000000..01b08c13a81
--- /dev/null
+++ b/regress/usr.bin/tail/reverse-lines.out
@@ -0,0 +1,5 @@
+507
+508
+509
+510
+511
diff --git a/regress/usr.bin/tail/reverse-lines.sh b/regress/usr.bin/tail/reverse-lines.sh
new file mode 100644
index 00000000000..c999465996c
--- /dev/null
+++ b/regress/usr.bin/tail/reverse-lines.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+#
+# $OpenBSD: reverse-lines.sh,v 1.1 2015/11/24 04:04:19 tedu Exp $
+
+# test if tail grep the correct number of blocks from a file.
+
+DIR=$(mktemp -d)
+echo DIR=${DIR}
+
+NAME=${0##*/}
+OUT=${DIR}/${NAME%%.sh}.out
+i=0
+while [ ${i} -lt 512 ]; do
+	echo ${i} >> ${DIR}/bar
+	i=$((i+1))
+done
+
+tail -n 5 ${DIR}/bar > ${OUT}
+tail -n -5 ${DIR}/bar > ${OUT}1
+tail -5 ${DIR}/bar > ${OUT}2
+
+diff -u ${OUT} ${OUT}1 || exit 1
+diff -u ${OUT} ${OUT}2 || exit 1
+diff -u ${OUT} ${0%%.sh}.out || exit 1
+
+# cleanup if okay
+rm -Rf ${DIR}