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
---
[email protected]:/sense/work/feature-summary/debugging$ cat
sample.txt
32e49398e024dcb79a319c62ceb213ae3e824f77 2
32e4cb91fdefe6103d73f1d6e43ecd8430f85334 2
32e4cb91fdefe6103d73f1d6e43ecd8430f85334 132
32e5434c41a8e2f0178fd19bd868758af6eb67c0 2
32e56067 10
32e56067 79
32e56122 59
32e57aacfd27f7fde61184052cb35551213c7cd6 5
[email protected]:/sense/work/feature-summary/debugging$ cat
../totals-by-label.awk
#!/usr/bin/awk -f
BEGIN {FS="\t"; prev_label = "";}
{
curr_label=$1;
count=$2;
if (prev_label != "" && curr_label != prev_label) {
output();
}
prev_label=curr_label;
tot += count;
}
END { output(); }
function output() {
print prev_label"\t"tot;
tot = 0;
}
[email protected]:/sense/work/feature-summary/debugging$ cat
sample.txt | mawk -f ../totals-by-label.awk
32e49398e024dcb79a319c62ceb213ae3e824f77 2
32e4cb91fdefe6103d73f1d6e43ecd8430f85334 134
32e5434c41a8e2f0178fd19bd868758af6eb67c0 2
32e56122 148
32e57aacfd27f7fde61184052cb35551213c7cd6 5
[email protected]:/sense/work/feature-summary/debugging$ cat
sample.txt | gawk -f ../totals-by-label.awk
32e49398e024dcb79a319c62ceb213ae3e824f77 2
32e4cb91fdefe6103d73f1d6e43ecd8430f85334 134
32e5434c41a8e2f0178fd19bd868758af6eb67c0 2
32e56067 89
32e56122 59
32e57aacfd27f7fde61184052cb35551213c7cd6 5
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