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hush: handle expansions in ${var?expanded_word} constructs

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function                                             old     new   delta
expand_vars_to_list                                 2209    2229     +20

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2010-05-21 17:54:46 +02:00
parent 349ef96bb5
commit 3f78cec347
3 changed files with 62 additions and 15 deletions
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20
shell/hush_test/hush-vars/param_expand_indicate_error.tests
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@@ -5,36 +5,56 @@
"$THIS_SH" -c 'echo ${:?}'
# then some funky ones
# note: bash prints 1 - treats it as "length of $#"? We print 0
"$THIS_SH" -c 'echo ${#?}'
# bash prints 0
"$THIS_SH" -c 'echo ${#:?}'
# now some valid ones
export msg_unset="unset!"
export msg_null_or_unset="null or unset!"
echo ====
"$THIS_SH" -c 'set --; echo _$1'
"$THIS_SH" -c 'set --; echo _${1?}'
"$THIS_SH" -c 'set --; echo _${1:?}'
"$THIS_SH" -c 'set --; echo _${1?message1}'
"$THIS_SH" -c 'set --; echo _${1:?message1}'
"$THIS_SH" -c 'set --; echo _${1?$msg_unset}'
"$THIS_SH" -c 'set --; echo _${1:?$msg_null_or_unset}'
echo ====
"$THIS_SH" -c 'set -- aaaa; echo _$1'
"$THIS_SH" -c 'set -- aaaa; echo _${1?}'
"$THIS_SH" -c 'set -- aaaa; echo _${1:?}'
"$THIS_SH" -c 'set -- aaaa; echo _${1?word}'
"$THIS_SH" -c 'set -- aaaa; echo _${1:?word}'
"$THIS_SH" -c 'set -- aaaa; echo _${1?$msg_unset}'
"$THIS_SH" -c 'set -- aaaa; echo _${1:?$msg_null_or_unset}'
echo ====
"$THIS_SH" -c 'unset f; echo _$f'
"$THIS_SH" -c 'unset f; echo _${f?}'
"$THIS_SH" -c 'unset f; echo _${f:?}'
"$THIS_SH" -c 'unset f; echo _${f?message3}'
"$THIS_SH" -c 'unset f; echo _${f:?message3}'
"$THIS_SH" -c 'unset f; echo _${f?$msg_unset}'
"$THIS_SH" -c 'unset f; echo _${f:?$msg_null_or_unset}'
echo ====
"$THIS_SH" -c 'f=; echo _$f'
"$THIS_SH" -c 'f=; echo _${f?}'
"$THIS_SH" -c 'f=; echo _${f:?}'
"$THIS_SH" -c 'f=; echo _${f?word}'
"$THIS_SH" -c 'f=; echo _${f:?message4}'
"$THIS_SH" -c 'f=; echo _${f?$msg_unset}'
"$THIS_SH" -c 'f=; echo _${f:?$msg_null_or_unset}'
echo ====
"$THIS_SH" -c 'f=fff; echo _$f'
"$THIS_SH" -c 'f=fff; echo _${f?}'
"$THIS_SH" -c 'f=fff; echo _${f:?}'
"$THIS_SH" -c 'f=fff; echo _${f?word}'
"$THIS_SH" -c 'f=fff; echo _${f:?word}'
"$THIS_SH" -c 'f=fff; echo _${f?$msg_unset}'
"$THIS_SH" -c 'f=fff; echo _${f:?$msg_null_or_unset}'