builtins.sh revision da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968
########################################################################
# #
# This software is part of the ast package #
# Copyright (c) 1982-2007 AT&T Knowledge Ventures #
# and is licensed under the #
# Common Public License, Version 1.0 #
# by AT&T Knowledge Ventures #
# #
# A copy of the License is available at #
# http://www.opensource.org/licenses/cpl1.0.txt #
# (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) #
# #
# Information and Software Systems Research #
# AT&T Research #
# Florham Park NJ #
# #
# David Korn <dgk@research.att.com> #
# #
########################################################################
function err_exit
{
print -u2 -n "\t"
print -u2 -r ${Command}[$1]: "${@:2}"
let Errors+=1
}
alias err_exit='err_exit $LINENO'
# test shell builtin commands
Command=${0##*/}
integer Errors=0
builtin getconf
: ${foo=bar} || err_exit ": failed"
[[ $foo = bar ]] || err_exit ": side effects failed"
set -- - foobar
[[ $# = 2 && $1 = - && $2 = foobar ]] || err_exit "set -- - foobar failed"
set -- -x foobar
[[ $# = 2 && $1 = -x && $2 = foobar ]] || err_exit "set -- -x foobar failed"
getopts :x: foo || err_exit "getopts :x: returns false"
[[ $foo = x && $OPTARG = foobar ]] || err_exit "getopts :x: failed"
OPTIND=1
getopts :r:s var -r
if [[ $var != : || $OPTARG != r ]]
then err_exit "'getopts :r:s var -r' not working"
fi
OPTIND=1
getopts :d#u var -d 100
if [[ $var != d || $OPTARG != 100 ]]
then err_exit "'getopts :d#u var -d 100' not working var=$var"
fi
OPTIND=1
while getopts 'ab' option -a -b
do [[ $OPTIND == $((OPTIND)) ]] || err_exit "OPTIND optimization bug"
done
USAGE=$'[-][S:server?Operate on the specified \asubservice\a:]:[subservice:=pmserver]
{
[p:pmserver]
[r:repserver]
[11:notifyd]
}'
set pmser p rep r notifyd -11
while (( $# > 1 ))
do OPTIND=1
getopts "$USAGE" OPT -S $1
[[ $OPT == S && $OPTARG == $2 ]] || err_exit "OPT=$OPT OPTARG=$OPTARG -- expected OPT=S OPTARG=$2"
shift 2
done
false ${foo=bar} && err_exit "false failed"
read <<!
hello world
!
[[ $REPLY = 'hello world' ]] || err_exit "read builtin failed"
print x:y | IFS=: read a b
if [[ $a != x ]]
then err_exit "IFS=: read ... not working"
fi
read <<!
hello \
world
!
[[ $REPLY = 'hello world' ]] || err_exit "read continuation failed"
read -d x <<!
hello worldxfoobar
!
[[ $REPLY = 'hello world' ]] || err_exit "read builtin failed"
read <<\!
hello \
world \
!
[[ $REPLY == 'hello world' ]] || err_exit "read continuation2 failed"
print "one\ntwo" | { read line
print $line | /bin/cat > /dev/null
read line
}
read <<\!
\
a\
\
\
b
!
if [[ $REPLY != ab ]]
then err_exit "read multiple continuation failed"
fi
if [[ $line != two ]]
then err_exit "read from pipeline failed"
fi
line=two
read line < /dev/null
if [[ $line != "" ]]
then err_exit "read from /dev/null failed"
fi
if [[ $(print -R -) != - ]]
then err_exit "print -R not working correctly"
fi
if [[ $(print -- -) != - ]]
then err_exit "print -- not working correctly"
fi
print -f "hello%nbar\n" size > /dev/null
if (( size != 5 ))
then err_exit "%n format of printf not working"
fi
print -n -u2 2>&1-
[[ -w /dev/fd/1 ]] || err_exit "2<&1- with built-ins has side effects"
x=$0
if [[ $(eval 'print $0') != $x ]]
then err_exit '$0 not correct for eval'
fi
unset x
readonly x
set -- $(readonly)
if [[ " $@ " != *" x "* ]]
then err_exit 'unset readonly variables are not displayed'
fi
if [[ $( for i in foo bar
do print $i
continue 10
done
) != $'foo\nbar' ]]
then err_exit 'continue breaks out of loop'
fi
(continue bad 2>/dev/null && err_exit 'continue bad should return an error')
(break bad 2>/dev/null && err_exit 'break bad should return an error')
(continue 0 2>/dev/null && err_exit 'continue 0 should return an error')
(break 0 2>/dev/null && err_exit 'break 0 should return an error')
breakfun() { break;}
continuefun() { continue;}
for fun in break continue
do if [[ $( for i in foo
do ${fun}fun
print $i
done
) != foo ]]
then err_exit "$fun call in ${fun}fun breaks out of for loop"
fi
done
if [[ $(print -f "%b" "\a\n\v\b\r\f\E\03\\oo") != $'\a\n\v\b\r\f\E\03\\oo' ]]
then err_exit 'print -f "%b" not working'
fi
if [[ $(print -f "%P" "[^x].*b$") != '*[!x]*b' ]]
then err_exit 'print -f "%P" not working'
fi
if [[ $(abc: for i in foo bar;do print $i;break abc;done) != foo ]]
then err_exit 'break labels not working'
fi
if [[ $(command -v if) != if ]]
then err_exit 'command -v not working'
fi
read -r var <<\!
!
if [[ $var != "" ]]
then err_exit "read -r of blank line not working"
fi
mkdir -p /tmp/ksh$$/a/b/c 2>/dev/null || err_exit "mkdir -p failed"
$SHELL -c "cd /tmp/ksh$$/a/b; cd c" 2>/dev/null || err_exit "initial script relative cd fails"
rm -r /tmp/ksh$$ || err_exit "rm -r /tmp/ksh$$ failed"
trap 'print HUP' HUP
if [[ $(trap) != "trap -- 'print HUP' HUP" ]]
then err_exit '$(trap) not working'
fi
if [[ $(trap -p HUP) != 'print HUP' ]]
then err_exit '$(trap -p HUP) not working'
fi
[[ $($SHELL -c 'trap "print ok" SIGTERM; kill -s SIGTERM $$' 2> /dev/null) == ok
]] || err_exit 'SIGTERM not recognized'
[[ $($SHELL -c 'trap "print ok" sigterm; kill -s sigterm $$' 2> /dev/null) == ok
]] || err_exit 'SIGTERM not recognized'
${SHELL} -c 'kill -1 -$$' 2> /dev/null
[[ $(kill -l $?) == HUP ]] || err_exit 'kill -1 -pid not working'
${SHELL} -c 'kill -1 -$$' 2> /dev/null
[[ $(kill -l $?) == HUP ]] || err_exit 'kill -n1 -pid not working'
${SHELL} -c 'kill -s HUP -$$' 2> /dev/null
[[ $(kill -l $?) == HUP ]] || err_exit 'kill -HUP -pid not working'
n=123
typeset -A base
base[o]=8#
base[x]=16#
base[X]=16#
for i in d i o u x X
do if (( $(( ${base[$i]}$(printf "%$i" $n) )) != n ))
then err_exit "printf %$i not working"
fi
done
if [[ $( trap 'print done' EXIT) != done ]]
then err_exit 'trap on EXIT not working'
fi
if [[ $( trap 'print done' EXIT; trap - EXIT) == done ]]
then err_exit 'trap on EXIT not being cleared'
fi
if [[ $(type test) != 'test is a shell builtin' ]]
then err_exit 'whence -v test not a builtin'
fi
builtin -d test
if [[ $(type test) == *builtin* ]]
then err_exit 'whence -v test after builtin -d incorrect'
fi
typeset -Z3 percent=$(printf '%o\n' "'%'")
forrmat=\\${percent}s
if [[ $(printf "$forrmat") != %s ]]
then err_exit "printf $forrmat not working"
fi
if (( $(printf 'x\0y' | wc -c) != 3 ))
then err_exit 'printf \0 not working'
fi
if [[ $(printf "%bx%s\n" 'f\to\cbar') != $'f\to' ]]
then err_exit 'printf %bx%s\n not working'
fi
alpha=abcdefghijklmnop
if [[ $(printf "%10.*s\n" 5 $alpha) != ' abcde' ]]
then err_exit 'printf %10.%s\n not working'
fi
float x2=.0000625
if [[ $(printf "%10.5E\n" x2) != 6.25000E-05 ]]
then err_exit 'printf "%10.5E" not normalizing correctly'
fi
x2=.000000001
if [[ $(printf "%g\n" x2 2>/dev/null) != 1e-09 ]]
then err_exit 'printf "%g" not working correctly'
fi
#FIXME#($SHELL read -s foobar <<\!
#FIXME#testing
#FIXME#!
#FIXME#) 2> /dev/null || err_exit ksh read -s var fails
if [[ $(printf +3 2>/dev/null) != +3 ]]
then err_exit 'printf is not processing formats beginning with + correctly'
fi
if printf "%d %d\n" 123bad 78 >/dev/null 2>/dev/null
then err_exit "printf not exiting non-zero with conversion errors"
fi
if [[ $(trap --version 2> /dev/null;print done) != done ]]
then err_exit 'trap builtin terminating after --version'
fi
if [[ $(set --version 2> /dev/null;print done) != done ]]
then err_exit 'set builtin terminating after --veresion'
fi
unset -f foobar
function foobar
{
print 'hello world'
}
OPTIND=1
if [[ $(getopts $'[+?X\ffoobar\fX]' v --man 2>&1) != *'Xhello world'X* ]]
then err_exit '\f...\f not working in getopts usage strings'
fi
if [[ $(printf '%H\n' $'<>"& \'\tabc') != '&lt;&gt;&quot;&amp;&nbsp;&apos;&#9;abc' ]]
then err_exit 'printf %H not working'
fi
if [[ $(printf '%R %R %R %R\n' 'a.b' '*.c' '^' '!(*.*)') != '^a\.b$ \.c$ ^\^$ ^(.*\..*)!$' ]]
then err_exit 'printf %R not working'
fi
if [[ $(printf '%..:c\n' abc) != a:b:c ]]
then err_exit "printf '%..:c' not working"
fi
if [[ $(printf '%..*c\n' : abc) != a:b:c ]]
then err_exit "printf '%..*c' not working"
fi
if [[ $(printf '%..:s\n' abc def ) != abc:def ]]
then err_exit "printf '%..:s' not working"
fi
if [[ $(printf '%..*s\n' : abc def) != abc:def ]]
then err_exit "printf '%..*s' not working"
fi
[[ $(printf '%q\n') == '' ]] || err_exit 'printf "%q" with missing arguments'
# we won't get hit by the one second boundary twice, right?
[[ $(printf '%T\n' now) == "$(date)" ]] ||
[[ $(printf '%T\n' now) == "$(date)" ]] ||
err_exit 'printf "%T" now'
behead()
{
read line
left=$(cat)
}
print $'line1\nline2' | behead
if [[ $left != line2 ]]
then err_exit "read reading ahead on a pipe"
fi
read -n1 y <<!
abc
!
if [[ $y != a ]]
then err_exit 'read -n1 not working'
fi
print -n $'{ read -r line;print $line;}\nhello' > /tmp/ksh$$
chmod 755 /tmp/ksh$$
trap 'rm -rf /tmp/ksh$$' EXIT
if [[ $($SHELL < /tmp/ksh$$) != hello ]]
then err_exit 'read of incomplete line not working correctly'
fi
set -f
set -- *
if [[ $1 != '*' ]]
then err_exit 'set -f not working'
fi
unset pid1 pid2
false &
pid1=$!
pid2=$(
wait $pid1
(( $? == 127 )) || err_exit "job known to subshell"
print $!
)
wait $pid1
(( $? == 1 )) || err_exit "wait not saving exit value"
wait $pid2
(( $? == 127 )) || err_exit "subshell job known to parent"
set --noglob
ifs=$IFS
IFS=,
set -- $(getconf LIBPATH)
IFS=$ifs
env=
for v
do IFS=:
set -- $v
IFS=$ifs
eval [[ \$$2 ]] && env="$env $2=\"\$$2\""
done
set --glob
if [[ $(foo=bar; eval foo=\$foo $env exec -c \$SHELL -c \'print \$foo\') != bar ]]
then err_exit '"name=value exec -c ..." not working'
fi
$SHELL -c 'OPTIND=-1000000; getopts a opt -a' 2> /dev/null
[[ $? == 1 ]] || err_exit 'getopts with negative OPTIND not working'
getopts 'n#num' opt -n 3
[[ $OPTARG == 3 ]] || err_exit 'getopts with numerical arguments failed'
if [[ $($SHELL -c $'printf \'%2$s %1$s\n\' world hello') != 'hello world' ]]
then err_exit 'printf %2$s %1$s not working'
fi
((n=0))
((n++)); ARGC[$n]=1 ARGV[$n]=""
((n++)); ARGC[$n]=2 ARGV[$n]="-a"
((n++)); ARGC[$n]=4 ARGV[$n]="-a -v 2"
((n++)); ARGC[$n]=4 ARGV[$n]="-a -v 2 x"
((n++)); ARGC[$n]=4 ARGV[$n]="-a -v 2 x y"
for ((i=1; i<=n; i++))
do set -- ${ARGV[$i]}
OPTIND=0
while getopts -a tst "av:" OPT
do :
done
if [[ $OPTIND != ${ARGC[$i]} ]]
then err_exit "\$OPTIND after getopts loop incorrect -- got $OPTIND, expected ${ARGC[$i]}"
fi
done
unset a
{ read -N3 a; read -N1 b;} <<!
abcdefg
!
[[ $a == abc ]] || err_exit 'read -N3 here-document not working'
[[ $b == d ]] || err_exit 'read -N1 here-document not working'
read -n3 a <<!
abcdefg
!
[[ $a == abc ]] || err_exit 'read -n3 here-document not working'
(print -n a;sleep 1; print -n bcde) | { read -N3 a; read -N1 b;}
[[ $a == abc ]] || err_exit 'read -N3 from pipe not working'
[[ $b == d ]] || err_exit 'read -N1 from pipe not working'
(print -n a;sleep 1; print -n bcde) |read -n3 a
[[ $a == a ]] || err_exit 'read -n3 from pipe not working'
rm -f /tmp/fifo$$
if mkfifo /tmp/fifo$$ 2> /dev/null
then (print -n a; sleep 1;print -n bcde) > /tmp/fifo$$ &
{
read -u5 -n3 -t2 a || err_exit 'read -n3 from fifo timedout'
read -u5 -n1 -t2 b || err_exit 'read -n1 from fifo timedout'
} 5< /tmp/fifo$$
[[ $a == a ]] || err_exit 'read -n3 from fifo not working'
rm -f /tmp/fifo$$
mkfifo /tmp/fifo$$ 2> /dev/null
(print -n a; sleep 1;print -n bcde) > /tmp/fifo$$ &
{
read -u5 -N3 -t2 a || err_exit 'read -N3 from fifo timed out'
read -u5 -N1 -t2 b || err_exit 'read -N1 from fifo timedout'
} 5< /tmp/fifo$$
[[ $a == abc ]] || err_exit 'read -N3 from fifo not working'
[[ $b == d ]] || err_exit 'read -N1 from fifo not working'
fi
rm -f /tmp/fifo$$
function longline
{
integer i
for((i=0; i < $1; i++))
do print argument$i
done
}
# test command -x option
integer sum=0 n=10000
if ! ${SHELL:-ksh} -c 'print $#' count $(longline $n) > /dev/null 2>&1
then for i in $(command command -x ${SHELL:-ksh} -c 'print $#;[[ $1 != argument0 ]]' count $(longline $n) 2> /dev/null)
do ((sum += $i))
done
(( sum == n )) || err_exit "command -x processed only $sum arguments"
command -p command -x ${SHELL:-ksh} -c 'print $#;[[ $1 == argument0 ]]' count $(longline $n) > /dev/null 2>&1
[[ $? != 1 ]] && err_exit 'incorrect exit status for command -x'
fi
# test command -x option with extra arguments
integer sum=0 n=10000
if ! ${SHELL:-ksh} -c 'print $#' count $(longline $n) > /dev/null 2>&1
then for i in $(command command -x ${SHELL:-ksh} -c 'print $#;[[ $1 != argument0 ]]' count $(longline $n) one two three) #2> /dev/null)
do ((sum += $i))
done
(( sum > n )) || err_exit "command -x processed only $sum arguments"
(( (sum-n)%3==0 )) || err_exit "command -x processed only $sum arguments"
(( sum == n+3)) && err_exit "command -x processed only $sum arguments"
command -p command -x ${SHELL:-ksh} -c 'print $#;[[ $1 == argument0 ]]' count $(longline $n) > /dev/null 2>&1
[[ $? != 1 ]] && err_exit 'incorrect exit status for command -x'
fi
# test for debug trap
[[ $(typeset -i i=0
trap 'print $i' DEBUG
while (( i <2))
do (( i++))
done) == $'0\n0\n1\n1\n2' ]] || err_exit "DEBUG trap not working"
getconf UNIVERSE - ucb
[[ $($SHELL -c 'echo -3') == -3 ]] || err_exit "echo -3 not working in ucb universe"
typeset -F3 start_x=SECONDS total_t delay=0.02
typeset reps=50 leeway=5
sleep $(( 2 * leeway * reps * delay )) |
for (( i=0 ; i < reps ; i++ ))
do read -N1 -t $delay
done
(( total_t = SECONDS - start_x ))
if (( total_t > leeway * reps * delay ))
then err_exit "read -t in pipe taking $total_t secs - $(( reps * delay )) minimum - too long"
elif (( total_t < reps * delay ))
then err_exit "read -t in pipe taking $total_t secs - $(( reps * delay )) minimum - too fast"
fi
exit $((Errors))