17 lines
414 B
Awk
17 lines
414 B
Awk
# dupword --- find duplicate words in text
|
|
# Arnold Robbins, arnold@gnu.ai.mit.edu, Public Domain
|
|
# December 1991
|
|
|
|
{
|
|
$0 = tolower($0)
|
|
gsub(/[^A-Za-z0-9 \t]/, "");
|
|
if ($1 == prev)
|
|
printf("%s:%d: duplicate %s\n",
|
|
FILENAME, FNR, $1)
|
|
for (i = 2; i <= NF; i++)
|
|
if ($i == $(i-1))
|
|
printf("%s:%d: duplicate %s\n",
|
|
FILENAME, FNR, $i)
|
|
prev = $NF
|
|
}
|