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shell: better support of [[ ]] bashism

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Still rather rudimentary for ash

function                                             old     new   delta
binop                                                433     589    +156
check_operator                                        65     101     +36
done_word                                            736     769     +33
test_main                                            405     418     +13
parse_stream                                        2227    2238     +11
ops_texts                                            124     133      +9
ops_table                                             80      86      +6
run_pipe                                            1557    1562      +5
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(add/remove: 0/0 grow/shrink: 8/0 up/down: 269/0)             Total: 269 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2020-10-31 03:34:07 +01:00
parent 112453acf2
commit d2241f5902
13 changed files with 209 additions and 24 deletions
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13
shell/hush_test/hush-test2/strops3.tests Executable file
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# regex should accept '+' operator
[[ abcdef =~ a[b-z]+ ]]; echo 1:YES:$?
# newline matches by "match any" patterns
v='
'
[[ "$v" =~ . ]]; echo 2:YES:$?
[[ "$v" =~ "[$v]" ]]; echo 3:no:$? # hmm bash does return 1... why?
[[ "$v" =~ [^a] ]]; echo 4:YES:$?
# should work even without quotes:
[[ $v =~ . ]]; echo 2u:YES:$?
[[ $v =~ [$v] ]]; echo 3u:YES:$?
[[ $v =~ [^a] ]]; echo 4u:YES:$?