awk: add a test that $NF is empty

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

View File

@ -398,12 +398,19 @@ testing 'awk do not allow "str"++' \
'' \
'anything'
#gawk compat: FS regex matches only non-empty separators:
#with -*, the splitting is NOT f o o b a r, but foo bar:
# gawk compat: FS regex matches only non-empty separators:
# with -*, the splitting is NOT f o o b a r, but foo bar:
testing 'awk FS regex which can match empty string' \
"awk -F '-*' '{print \$1 \"-\" \$2 \"=\" \$3 \"*\" \$4}'" \
"foo-bar=*\n" \
'' \
'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