Package: dlocate
Version: 0.94
Severity: normal
% man dlocate | grep -n -C 2 "dlocate -l '^.. libc5'"
51- Extended regular expression are allowed. For example,
52-
53: dlocate -l '^.. libc5'
54-
55- will list all the package names starting with `libc5'.
A test of the above:
# dump example to /tmp/foo
% F=/tmp/foo
% dlocate -l '^.. libc5' > $F
# lines and size?
% wc -cl $F
32169 2190365 /tmp/foo
# what's in there?
% head /tmp/foo
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Installed/Config-files/Unpacked/Failed-config/Half-installed
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err:
uppercase=bad)
||/ Name Version Description
+++-=================-=================-====================================================
pn 3270-common <none> (no description available)
pn 3c5x9utils <none> (no description available)
pn 3dchess <none> (no description available)
ii 3ddesktop 0.2.9-6 "Three-dimensional" desktop switcher
pn 3dwm-clock <none> (no description available)
Compare to:
% dpkg -l libc5
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Installed/Config-files/Unpacked/Failed-config/Half-installed
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err:
uppercase=bad)
||/ Name Version Description
+++-=================-=================-==================================================
ii libc5 5.4.46-15 The Linux C library version 5
(run-time libraries)
'htop' (while "dlocate -l '^.. libc5'" is running) shows:
egrep -- ^..|libc5 /var/lib/dlocate/dpkg-list
That is, the " " (space) got replaced by a "|", ('egrep' logical
'OR'). So 'egrep' dumps the whole of 'dpkg-list', then 'dlocate'
reformats it.
The " " is replaced with a "|" here:
% grep -n -m 1 'PKGS_REGEXP=' /usr/bin/dlocate
148:PKGS_REGEXP=$(echo "$PKGS" | sed -e 's/ /|/g')
A look at the code shows the '-l' switch parser is part of a complex
'for' loop. The '-l' switch should eat the next argument, but that
won't work in a 'for' loop. Some ad hoc variable action follows, (e.g.
line #148).
Is there some reason not to use 'getopts', or even 'set' & 'shift'?
(If I understood the switch parsing code better, I'd attach a patch.)
Hope this helps...
-- System Information:
Debian Release: lenny/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.24-1-686 (SMP w/1 CPU core)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968) (ignored: LC_ALL set to C)
Shell: /bin/sh linked to /bin/dash
Versions of packages dlocate depends on:
ii dctrl-tools [grep-dctrl] 2.12 Command-line tools to process Debi
ii dpkg 1.14.16.6 package maintenance system for Deb
ii findutils 4.2.33-1 utilities for finding files--find,
ii locate 4.2.33-1 maintain and query an index of a d
ii perl 5.8.8-12 Larry Wall's Practical Extraction
dlocate recommends no packages.
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