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name: IFS-space-1
description:
Simple test, default IFS
stdin:
showargs() { for i; do echo -n " <$i>"; done; echo; }
set -- A B C
showargs 1 $*
showargs 2 "$*"
showargs 3 $@
showargs 4 "$@"
expected-stdout:
<1> <A> <B> <C>
<2> <A B C>
<3> <A> <B> <C>
<4> <A> <B> <C>
---
name: IFS-colon-1
description:
Simple test, IFS=:
stdin:
showargs() { for i; do echo -n " <$i>"; done; echo; }
IFS=:
set -- A B C
showargs 1 $*
showargs 2 "$*"
showargs 3 $@
showargs 4 "$@"
expected-stdout:
<1> <A> <B> <C>
<2> <A:B:C>
<3> <A> <B> <C>
<4> <A> <B> <C>
---
name: IFS-null-1
description:
Simple test, IFS=""
stdin:
showargs() { for i; do echo -n " <$i>"; done; echo; }
IFS=""
set -- A B C
showargs 1 $*
showargs 2 "$*"
showargs 3 $@
showargs 4 "$@"
expected-stdout:
<1> <A B C>
<2> <ABC>
<3> <A B C>
<4> <A B C>
---
name: IFS-space-colon-1
description:
Simple test, IFS=<white-space>:
stdin:
showargs() { for i; do echo -n " <$i>"; done; echo; }
IFS="$IFS:"
set --
showargs 1 $*
showargs 2 "$*"
showargs 3 $@
showargs 4 "$@"
showargs 5 : "$@"
expected-stdout:
<1>
<2> <>
<3>
<4>
<5> <:>
---
name: IFS-space-colon-2
description:
Simple test, IFS=<white-space>:
At&t ksh fails this, POSIX says the test is correct.
stdin:
showargs() { for i; do echo -n " <$i>"; done; echo; }
IFS="$IFS:"
set --
showargs :"$@"
expected-stdout:
<:>
---
name: IFS-space-colon-3
description:
Simple test, IFS=<white-space>:
pdksh fails both of these tests
stdin:
showargs() { for i; do echo -n " <$i>"; done; echo; }
IFS="$IFS:"
x=
set --
showargs "$x$@"
showargs "$@$x"
expected-fail: yes
expected-stdout:
<>
<>
---
name: IFS-space-colon-4
description:
Simple test, IFS=<white-space>:
stdin:
showargs() { for i; do echo -n " <$i>"; done; echo; }
IFS="$IFS:"
set --
showargs "$@$@"
expected-stdout:
---
name: IFS-space-colon-5
description:
Simple test, IFS=<white-space>:
Don't know what POSIX thinks of this. at&t ksh does not do this.
stdin:
showargs() { for i; do echo -n " <$i>"; done; echo; }
IFS="$IFS:"
set --
showargs "${@:-}"
expected-stdout:
<>
---
name: IFS-subst-1
description:
Simple test, IFS=<white-space>:
stdin:
showargs() { for i; do echo -n " <$i>"; done; echo; }
IFS="$IFS:"
x=":b: :"
echo -n '1:'; for i in $x ; do echo -n " [$i]" ; done ; echo
echo -n '2:'; for i in :b:: ; do echo -n " [$i]" ; done ; echo
showargs 3 $x
showargs 4 :b::
x="a:b:"
echo -n '5:'; for i in $x ; do echo -n " [$i]" ; done ; echo
showargs 6 $x
x="a::c"
echo -n '7:'; for i in $x ; do echo -n " [$i]" ; done ; echo
showargs 8 $x
echo -n '9:'; for i in ${FOO-`echo -n h:i`th:ere} ; do echo -n " [$i]" ; done ; echo
showargs 10 ${FOO-`echo -n h:i`th:ere}
showargs 11 "${FOO-`echo -n h:i`th:ere}"
x=" A : B::D"
echo -n '12:'; for i in $x ; do echo -n " [$i]" ; done ; echo
showargs 13 $x
expected-stdout:
1: [] [b] []
2: [:b::]
<3> <> <b> <>
<4> <:b::>
5: [a] [b]
<6> <a> <b>
7: [a] [] [c]
<8> <a> <> <c>
9: [h] [ith] [ere]
<10> <h> <ith> <ere>
<11> <h:ith:ere>
12: [A] [B] [] [D]
<13> <A> <B> <> <D>
---
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