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awk: add a test that $NF is empty

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2020-12-04 19:00:06 +01:00
parent f4f6e5144b
commit 758c2bd58e
1 changed files with 9 additions and 2 deletions
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testsuite/awk.tests
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@ -398,12 +398,19 @@ testing 'awk do not allow "str"++' \
'' \ '' \
'anything' 'anything'
#gawk compat: FS regex matches only non-empty separators: # gawk compat: FS regex matches only non-empty separators:
#with -*, the splitting is NOT f o o b a r, but foo bar: # with -*, the splitting is NOT f o o b a r, but foo bar:
testing 'awk FS regex which can match empty string' \ testing 'awk FS regex which can match empty string' \
"awk -F '-*' '{print \$1 \"-\" \$2 \"=\" \$3 \"*\" \$4}'" \ "awk -F '-*' '{print \$1 \"-\" \$2 \"=\" \$3 \"*\" \$4}'" \
"foo-bar=*\n" \ "foo-bar=*\n" \
'' \ '' \
'foo--bar' 'foo--bar'
# last+1 field should be empty (had a bug where it wasn't)
testing 'awk $NF is empty' \
"awk -F '=+' '{print \$NF}'" \
"\n" \
'' \
'a=====123='
exit $FAILCOUNT exit $FAILCOUNT