just checking to see if is just a cygwin issue or is up stream.
http://savannah.gnu.org/bugs/index.php?func=detailitem&item_id=14587
from man xargs:
--max-lines[=max-lines], -L[max-lines]
Use at most max-lines nonblank input lines per command line; max-lines
defaults to 1 if omitted.
Trailing blanks cause an input line to be logically continued on the next
input line. Implies -x.
[EMAIL PROTECTED] rpms.pdinc.us]$ find | perl -ne 'm/(.+)\/.+\.rpm$/ and print $1,
"\n";' | sort -u | xargs -L echo
xargs: invalid number for -l option
Usage: xargs [-0prtx] [-e[eof-str]] [-i[replace-str]] [-l[max-lines]]
[-n max-args] [-s max-chars] [-P max-procs] [--null] [--eof[=eof-str]]
[--replace[=replace-str]] [--max-lines[=max-lines]] [--interactive]
[--max-chars=max-chars] [--verbose] [--exit] [--max-procs=max-procs]
[--max-args=max-args] [--no-run-if-empty] [--arg-file=file]
[--version] [--help] [command [initial-arguments]]
Report bugs to <bug-findutils@gnu.org>.
[EMAIL PROTECTED] rpms.pdinc.us]$ find | perl -ne 'm/(.+)\/.+\.rpm$/ and print $1,
"\n";' | sort -u | xargs -l echo
./SRPMS
./foo bar
./i386
[EMAIL PROTECTED] rpms.pdinc.us]$ find | perl -ne 'm/(.+)\/.+\.rpm$/ and print $1,
"\n";' | sort -u | xargs -L1 echo
./SRPMS
./foo bar
./i386
[EMAIL PROTECTED] rpms.pdinc.us]$
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