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hush: treat ${#?} as "length of $?"

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2017-07-25 15:18:57 +02:00
parent 64925384c9
commit 645c697372
5 changed files with 115 additions and 5 deletions
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43
shell/ash_test/ash-vars/param_expand_indicate_error.right Normal file
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SHELL: line 1: syntax error: bad substitution
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SHELL: line 1: 1: parameter not set
SHELL: line 1: 1: parameter not set or null
SHELL: line 1: 1: message1
SHELL: line 1: 1: message1
SHELL: line 1: 1: unset!
SHELL: line 1: 1: null or unset!
====
_aaaa
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_aaaa
_aaaa
_aaaa
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_aaaa
====
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SHELL: line 1: f: parameter not set
SHELL: line 1: f: parameter not set or null
SHELL: line 1: f: message3
SHELL: line 1: f: message3
SHELL: line 1: f: unset!
SHELL: line 1: f: null or unset!
====
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SHELL: line 1: f: parameter not set or null
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SHELL: line 1: f: message4
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SHELL: line 1: f: null or unset!
====
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