On 05/02/2013 07:17 PM, David Rosenstrauch wrote:
On 05/02/2013 03:52 PM, Jerry Feldman wrote:
On 05/02/2013 01:11 AM, David Rosenstrauch wrote:
Just stumbled upon the most bizarre awk problem. mawk and gawk are
showing 2 different results for the same code. Can anyone shed any
light?
TIA!
DR
I get the same results from the 2. The first thing I did was to run
sample.txt through sed to convert the spaces to tabs. Certainly the
correct result is the gawk result you got.
The issue apparently only occurred in certain versions of mawk. (Most
notably v1.3.3, which was installed onto my Ubuntu server.)
I (with some help from others) managed to pinpoint the issue earlier
today, fortunately: apparently mawk was interpreting "32e56067" and
"32e56122" as numbers coded in scientific notation, interpreting them
both as infinity, and then deciding they were equal! The fix was to
change this line:
curr_label=$1;
to this:
curr_label=""$1;
to force mawk to interpret $1 as strings. Go figure!
Blame is on Mark Shuttleworth :-)
--
Jerry Feldman <[email protected]>
Boston Linux and Unix
PGP key id:3BC1EB90
PGP Key fingerprint: 49E2 C52A FC5A A31F 8D66 C0AF 7CEA 30FC 3BC1 EB90
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