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123 lines
4.5 KiB
Bash
Executable file
123 lines
4.5 KiB
Bash
Executable file
#! /bin/sh
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#
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# Copyright (C) 2003, 2005-2007 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Library General Public License as published
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# by the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Library General Public
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# License along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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# USA.
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#
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# Find a way to echo strings without interpreting backslash.
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if test "X`(echo '\t') 2>/dev/null`" = 'X\t'; then
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echo='echo'
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else
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if test "X`(printf '%s\n' '\t') 2>/dev/null`" = 'X\t'; then
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echo='printf %s\n'
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else
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echo_func () {
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cat <<EOT
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$*
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EOT
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}
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echo='echo_func'
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fi
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fi
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# This script is primarily a shell function library. In order for
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# ". gettext.sh" to find it, we install it in $PREFIX/bin (that is usually
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# contained in $PATH), rather than in some other location such as
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# $PREFIX/share/sh-scripts or $PREFIX/share/gettext. In order to not violate
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# the Filesystem Hierarchy Standard when doing so, this script is executable.
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# Therefore it needs to support the standard --help and --version.
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if test -z "$ZSH_VERSION"; then
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# zsh is not POSIX compliant: By default, while ". gettext.sh" is executed,
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# it sets $0 to "gettext.sh", defeating the purpose of this test. But
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# fortunately we know that when running under zsh, this script is always
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# being sourced, not executed, because hardly anyone is crazy enough to
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# install zsh as /bin/sh.
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case "$0" in
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gettext.sh | */gettext.sh | *\\gettext.sh)
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progname=$0
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package=gettext-runtime
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version=0.18.1
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# func_usage
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# outputs to stdout the --help usage message.
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func_usage ()
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{
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echo "GNU gettext shell script function library version $version"
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echo "Usage: . gettext.sh"
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}
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# func_version
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# outputs to stdout the --version message.
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func_version ()
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{
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echo "$progname (GNU $package) $version"
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echo "Copyright (C) 2003-2007 Free Software Foundation, Inc.
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License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>
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This is free software: you are free to change and redistribute it.
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There is NO WARRANTY, to the extent permitted by law."
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echo "Written by" "Bruno Haible"
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}
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if test $# = 1; then
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case "$1" in
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--help | --hel | --he | --h )
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func_usage; exit 0 ;;
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--version | --versio | --versi | --vers | --ver | --ve | --v )
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func_version; exit 0 ;;
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esac
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fi
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func_usage 1>&2
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exit 1
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;;
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esac
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fi
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# eval_gettext MSGID
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# looks up the translation of MSGID and substitutes shell variables in the
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# result.
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eval_gettext () {
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gettext "$1" | (export PATH `envsubst --variables "$1"`; envsubst "$1")
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}
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# eval_ngettext MSGID MSGID-PLURAL COUNT
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# looks up the translation of MSGID / MSGID-PLURAL for COUNT and substitutes
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# shell variables in the result.
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eval_ngettext () {
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ngettext "$1" "$2" "$3" | (export PATH `envsubst --variables "$1 $2"`; envsubst "$1 $2")
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}
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# Note: This use of envsubst is much safer than using the shell built-in 'eval'
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# would be.
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# 1) The security problem with Chinese translations that happen to use a
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# character such as \xe0\x60 is avoided.
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# 2) The security problem with malevolent translators who put in command lists
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# like "$(...)" or "`...`" is avoided.
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# 3) The translations can only refer to shell variables that are already
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# mentioned in MSGID or MSGID-PLURAL.
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#
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# Note: "export PATH" above is a dummy; this is for the case when
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# `envsubst --variables ...` returns nothing.
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#
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# Note: In eval_ngettext above, "$1 $2" means a string whose variables set is
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# the union of the variables set of "$1" and "$2".
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#
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# Note: The minimal use of backquote above ensures that trailing newlines are
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# not dropped, not from the gettext invocation and not from the value of any
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# shell variable.
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#
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# Note: Field splitting on the `envsubst --variables ...` result is desired,
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# since envsubst outputs the variables, separated by newlines. Pathname
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# wildcard expansion or tilde expansion has no effect here, since the words
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# output by "envsubst --variables ..." consist solely of alphanumeric
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# characters and underscore.
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