| 1 | #! /bin/sh |
| 2 | ### -*-sh-*- |
| 3 | ### |
| 4 | ### Find files which could be links to the repository |
| 5 | ### |
| 6 | ### (c) 1997 Mark Wooding |
| 7 | ### |
| 8 | |
| 9 | ###----- Licensing notice --------------------------------------------------- |
| 10 | ### |
| 11 | ### This file is part of the Common Files Distribution (`common'). |
| 12 | ### |
| 13 | ### `Common' is free software; you can redistribute it and/or modify |
| 14 | ### it under the terms of the GNU General Public License as published by |
| 15 | ### the Free Software Foundation; either version 2 of the License, or |
| 16 | ### (at your option) any later version. |
| 17 | ### |
| 18 | ### `Common' is distributed in the hope that it will be useful, |
| 19 | ### but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | ### GNU General Public License for more details. |
| 22 | ### |
| 23 | ### You should have received a copy of the GNU General Public License |
| 24 | ### along with `common'; if not, write to the Free Software Foundation, |
| 25 | ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 26 | |
| 27 | set -e |
| 28 | |
| 29 | pkgdatadir="@pkgdatadir@" |
| 30 | VERSION="@VERSION@" |
| 31 | |
| 32 | ###-------------------------------------------------------------------------- |
| 33 | ### Parse command line arguments. |
| 34 | |
| 35 | while [ $# -gt 0 ]; do |
| 36 | case "$1" in |
| 37 | -h | --h | --he | --hel | --help) |
| 38 | cat <<EOF |
| 39 | Usage: findlinks |
| 40 | |
| 41 | Scans the current directory and any subdirectories, writing the names of |
| 42 | files which could be linked into the shared files repository to standard |
| 43 | output. This list could be used as input to the \`mklinks' command. |
| 44 | EOF |
| 45 | exit 0 |
| 46 | ;; |
| 47 | -v | --v | --ve | --ver | --vers | --versi | --versio | --version) |
| 48 | echo "findlinks: Common Files Distribution version $VERSION" |
| 49 | exit 0 |
| 50 | ;; |
| 51 | *) |
| 52 | echo "findlinks: unknown option \`$1'" >&2 |
| 53 | exit 1 |
| 54 | ;; |
| 55 | esac |
| 56 | shift |
| 57 | done |
| 58 | |
| 59 | ###-------------------------------------------------------------------------- |
| 60 | ### Read the names of all the files I support. |
| 61 | ### |
| 62 | ### |
| 63 | ### Yes, this is ugly and hacky: well spotted. Shells have a nasty habit of |
| 64 | ### spontaneously forking when redirection gets too hard for them to think |
| 65 | ### about, so instead of something nice along the lines of |
| 66 | ### |
| 67 | ### find ... | while read name; do <build `files'> done |
| 68 | ### |
| 69 | ### I have to stick the whole lot in backticks and echo the result when it's |
| 70 | ### all done. Yuk. |
| 71 | ### |
| 72 | ### Oh, I almost forgot: that colon on the end there, that's to make sure |
| 73 | ### that all the entries are surrounded by colons on both sides, which makes |
| 74 | ### the pattern match in the `case' below work properly. |
| 75 | |
| 76 | files=$( |
| 77 | files="" |
| 78 | find "$pkgdatadir" -type f -print | { |
| 79 | while read name; do |
| 80 | files="$files:$(echo "$name" | sed 's;^.*/;;')" |
| 81 | done |
| 82 | echo $files |
| 83 | } |
| 84 | ): |
| 85 | |
| 86 | ###-------------------------------------------------------------------------- |
| 87 | ### Now examine the current directory. |
| 88 | ### |
| 89 | ### Remember to include things which are already linked, so that users can |
| 90 | ### say `findlinks >.links' without any problems. |
| 91 | |
| 92 | find . \( -type f -o -type l \) -print | while read name; do |
| 93 | base="$(echo "$name" | sed 's;^.*/;;')" |
| 94 | case "$files" in |
| 95 | *:$base:*) |
| 96 | echo $name |
| 97 | ;; |
| 98 | *) |
| 99 | esac |
| 100 | done | sed 's,^\./,,' | sort |
| 101 | |
| 102 | ###----- That's all, folks -------------------------------------------------- |