2020-02-03 15:10:29 -0800, Don Cragun:
[...]
> "The search for a matching sequence starts at the beginning
> of a string and stops when the first sequence matching the
> * ``begins earliest in the string’’. If the pattern permits
> * a variable number of matching characters and
Hi Martijn,
In the description of REs in the standard, "match" is described (on
P181-182, L5969-5993 in the 2017 edition of the standar) as:
"A sequence of zero or more characters shall be said to
be matched by a BRE or ERE when the characters in the
sequence correspond to a
Consider:
echo 'one!two!!three!!!end' | awk -v 'FS=!*' \
'{ for (i=NF; i>0; i--) print $i; }'
Onetrueawk, mawk, GNU awk, and Solaris awk all print:
end
three
two
one
However, Busybox awk prints:
d
n
e
e
e
r
h
t
o
w
t
e
n
o
In a way, the Busybox awk behaviour makes mor
