Mail Archives: cygwin/2006/03/14/04:57:17
On Mar 13 17:30, Buchbinder, Barry (NIH/NIAID) [E] wrote:
> I have a gawk script that I've been using unchanged for at least 9
> months that seems to have broken with the transition from gawk-3.1.5-2
> to gawk-3.1.5-3.
>
> Gawk seemed to hang, though it might be merely very slow. I let it run
> for hours before killing it. gawk-3.1.5-2 took 20-30 seconds to run.
Weird. The difference between gawk-3.1.5-2 and gawk-3.1.5-3 is in
theory only the fact that -2 missed to make CRLF->LF conversion on stdin
while -3 does CRLF->LF conversion.
> This is the script, if that makes a difference. It is in the middle of
> a pipe, receiving input from sort and giving output to another instance
> of sort. Everything should have unix-style line-endings. The pipe is
> running under ash. The script actually used a tab character instead of
> the "\t" escape sequence. I changed it to "\t" below in the hope that
> that might be easier to read in this email.
>
> gawk ' BEGIN { FS = OFS = "\t" }
> {
> Key = $2 "\t" $3 "\t" $4
> InfoNew[Key] = $5
> DateNew[Key] = $1
> if (InfoOld[Key] == "") {
> InfoOld[Key] = InfoNew[Key]
> DateOld[Key] = DateNew[Key] }
> if (InfoNew[Key] != InfoOld[Key]) {
> print DateOld[Key], Key, InfoOld[Key]
> InfoOld[Key] = InfoNew[Key]
> DateOld[Key] = DateNew[Key] }
> }
> END {
> for (Key in InfoOld) {
> print DateOld[Key], Key, InfoOld[Key] }
> }'
>
> Do I need to send anything else?
Can you embed this in a minimal testscript to reproduce the effect,
together with a few lines (<10) of a typical input file?
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat
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