awk '# awkro - expand acronyms
# load acronyms file into array "acro"
FILENAME == "acronyms" {
split($0, entry, "\t")
acro[entry[1]] = entry[2]
next
}
# process any input line containing caps
/[A-Z][A-Z]+/ {
# see if any field is an acronym
for (i = 1; i <= NF; i++)
if ( $i in acro ) {
# if it matches, add description
$i = acro[$i] " (" $i ")"
}
}
{
# print all lines
print $0
}' acronyms $*