* Justin Pryzby <[EMAIL PROTECTED]> [2006-06-21 08:47] :
> On Wed, Jun 21, 2006 at 02:25:31AM +0200, Fr??d??ric Bothamy wrote:
[...]
> > pn openoffice.org2-core <n?ant>
> > (aucune description n'est disponible)
> >
> > /usr/bin/dlocate: line 55: 26638 Done egrep "$1"
> > $DPKGLIST
> > 26639 Erreur de segmentation | while read stat name ver descr; do
> > printf "%-2s %-${fieldw}.${fieldw}s %-${fieldw}.${fieldw}s
> > %-${fieldd}.${fieldd}s\\n" "$stat" "$name" "$ver" "$descr";
> > done
> >
> > Program exited normally.
> > (gdb)
> >
> > Do you have another idea?
> Is egrep the one segfaulting? You can do the same as before to build
> a "grep" deb with debugging symbols, then just dpkg -i
> ../grep_....deb. apt-get {--re,}install grep later if you wish.
>
> It isn't completely clear to me how gdb would handle debugging the
> grep; you might have to change the shell script to use
>
> 'gdb egrep "$1" $DPKGLIST'
>
> instead, or just dump "$1" and $DPKGLIST to a file to fiddle with it
> manually.
Hello Justin,
Thanks for your help.
I have tried to see if this was a problem with egrep and I have replaced
the egrep in the dlocate script with a simple "cat $DPKGLIST". The
segfault also occurs. But it does not occur if I use a "head $DPKGLIST".
I have found that the problem only occurs if I send 276 lines (or more)
of text to the "| while ...".
If I try to execute the dlocate script with "sh -x" at the beginning
of the script, I need 373 lines to get the segmentation error.
If I execute the lines of the script at the command prompt, I get an
error with 22504. Here is the exact command that I used:
$ echo $COLUMNS
150
$ ((fieldw=(COLUMNS-24)/4))
$ ((fieldd=COLUMNS-fieldw*2-6))
$ cat dpkg-list_fr | while read stat name ver descr; do printf "%-2s
%-${fieldw}.${fieldw}s %-${fieldw}.${fieldw}s %-${fieldd}.${fieldd}s\\n"
"$stat" "$name" "$ver" "$descr"; done
fieldw is 31, fieldd 82. dpkg-list_fr is the file generated by the
dlocate cron job:
$ LINES=40 COLUMNS=200 dpkg -l "*" | sed -e '1,5d' -e 's/ */ /g' >$DPKGLIST
for the fr_FR.UTF-8 locale.
Greetings,
Fred
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