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#! /bin/sh

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# This program is free software: you can redistribute it and/or modify

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# it under the terms of the GNU Lesser General Public License as published by

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# the Free Software Foundation; either version 2.1 of the License, or

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# (at your option) any later version.

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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 Lesser General Public License for more details.

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# You should have received a copy of the GNU Lesser General Public License

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# along with this program. If not, see <http://www.gnu.org/licenses/>.

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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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EOT

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}

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echo='echo_func'

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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+set}"; 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=0.19.8.1

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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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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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func_usage 1>&2

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exit 1

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;;

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esac

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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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# 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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# 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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# 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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# 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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