awk/testdir/p.table

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2019-06-23 05:13:57 -04:00
# table - simple table formatter
BEGIN {
FS = "\t"; blanks = sprintf("%100s", " ")
number = "^[+-]?([0-9]+[.]?[0-9]*|[.][0-9]+)$"
}
{ row[NR] = $0
for (i = 1; i <= NF; i++) {
if ($i ~ number)
nwid[i] = max(nwid[i], length($i))
wid[i] = max(wid[i], length($i))
}
}
END {
for (r = 1; r <= NR; r++) {
n = split(row[r], d)
for (i = 1; i <= n; i++) {
sep = (i < n) ? " " : "\n"
if (d[i] ~ number)
printf("%" wid[i] "s%s", numjust(i,d[i]), sep)
else
printf("%-" wid[i] "s%s", d[i], sep)
}
}
}
function max(x, y) { return (x > y) ? x : y }
function numjust(n, s) { # position s in field n
return s substr(blanks, 1, int((wid[n]-nwid[n])/2))
}