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| <h4 class="subsection">8.2.2 Programs to handle message catalogs for <code>gettext</code></h4> |
| |
| <p>The GNU C Library does not contain the source code for the programs to |
| handle message catalogs for the <code>gettext</code> functions. As part of |
| the GNU project the GNU gettext package contains everything the |
| developer needs. The functionality provided by the tools in this |
| package by far exceeds the abilities of the <code>gencat</code> program |
| described above for the <code>catgets</code> functions. |
| |
| <p>There is a program <code>msgfmt</code> which is the equivalent program to the |
| <code>gencat</code> program. It generates from the human-readable and |
| -editable form of the message catalog a binary file which can be used by |
| the <code>gettext</code> functions. But there are several more programs |
| available. |
| |
| <p>The <code>xgettext</code> program can be used to automatically extract the |
| translatable messages from a source file. I.e., the programmer need not |
| take care for the translations and the list of messages which have to be |
| translated. S/He will simply wrap the translatable string in calls to |
| <code>gettext</code> et.al and the rest will be done by <code>xgettext</code>. This |
| program has a lot of option which help to customize the output or do |
| help to understand the input better. |
| |
| <p>Other programs help to manage development cycle when new messages appear |
| in the source files or when a new translation of the messages appear. |
| Here it should only be noted that using all the tools in GNU gettext it |
| is possible to <em>completely</em> automate the handling of message |
| catalog. Beside marking the translatable string in the source code and |
| generating the translations the developers do not have anything to do |
| themselves. |
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