diff options
Diffstat (limited to 'trunk/programs/gvfs-cat.c')
| -rw-r--r-- | trunk/programs/gvfs-cat.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/trunk/programs/gvfs-cat.c b/trunk/programs/gvfs-cat.c new file mode 100644 index 00000000..bd3969f2 --- /dev/null +++ b/trunk/programs/gvfs-cat.c @@ -0,0 +1,193 @@ +/* GIO - GLib Input, Output and Streaming Library + * + * Copyright (C) 2006-2007 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General + * Public License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place, Suite 330, + * Boston, MA 02111-1307, USA. + * + * Author: Alexander Larsson <alexl@redhat.com> + */ + +#include <config.h> + +#include <stdio.h> +#include <unistd.h> +#include <locale.h> +#include <errno.h> + +#include <glib.h> +#include <glib/gi18n.h> +#include <gio/gio.h> + +static gchar **locations = NULL; + +static GOptionEntry entries[] = { + {G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &locations, "locations", NULL}, + {NULL} +}; + +static void +cat (GFile * file) +{ + GInputStream *in; + char buffer[1024 * 8 + 1]; + char *p; + gssize res; + gboolean close_res; + GError *error; + + error = NULL; + in = (GInputStream *) g_file_read (file, NULL, &error); + if (in == NULL) + { + /* Translators: the first %s is the program name, the second one */ + /* is the URI of the file, the third is the error message. */ + g_printerr (_("%s: %s: error opening file: %s\n"), + g_get_prgname (), g_file_get_uri (file), error->message); + g_error_free (error); + return; + } + + while (1) + { + res = + g_input_stream_read (in, buffer, sizeof (buffer) - 1, NULL, &error); + if (res > 0) + { + ssize_t written; + + p = buffer; + while (res > 0) + { + written = write (STDOUT_FILENO, p, res); + + if (written == -1 && errno != EINTR) + { + /* Translators: the first %s is the program name, the */ + /* second one is the URI of the file. */ + g_printerr (_("%s: %s, error writing to stdout"), + g_get_prgname (), g_file_get_uri (file)); + goto out; + } + res -= written; + p += written; + } + } + else if (res < 0) + { + /* Translators: the first %s is the program name, the second one */ + /* is the URI of the file, the third is the error message. */ + g_printerr (_("%s: %s: error reading: %s\n"), + g_get_prgname (), g_file_get_uri (file), + error->message); + g_error_free (error); + error = NULL; + break; + } + else if (res == 0) + break; + } + + out: + + close_res = g_input_stream_close (in, NULL, &error); + if (!close_res) + { + /* Translators: the first %s is the program name, the second one */ + /* is the URI of the file, the third is the error message. */ + g_printerr (_("%s: %s:error closing: %s\n"), + g_get_prgname (), g_file_get_uri (file), error->message); + g_error_free (error); + } +} + +int +main (int argc, char *argv[]) +{ + GError *error = NULL; + GOptionContext *context = NULL; + GFile *file; + gchar *summary; + int i; + + setlocale (LC_ALL, ""); + + bindtextdomain (GETTEXT_PACKAGE, GVFS_LOCALEDIR); + bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); + textdomain (GETTEXT_PACKAGE); + + g_type_init (); + + /* Translators: this message will appear immediately after the */ + /* usage string - Usage: COMMAND [OPTION]... <THIS_MESSAGE> */ + context = + g_option_context_new (_("LOCATION... - concatenate LOCATIONS " + "to standard output.")); + + /* Translators: this message will appear after the usage string */ + /* and before the list of options. */ + summary = g_strconcat (_("Concatenate files at locations and print to the " + "standard output. Works just like the traditional " + "cat utility, but using gvfs location instead " + "local files: for example you can use something " + "like smb://server/resource/file.txt as location " + "to concatenate."), + "\n\n", + _("Note: just pipe through cat if you need its " + "formatting option like -n, -T or other."), NULL); + + g_option_context_set_summary (context, summary); + + g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE); + g_option_context_parse (context, &argc, &argv, &error); + + g_option_context_free (context); + g_free (summary); + + if (error != NULL) + { + g_printerr ("Error parsing commandline options: %s\n", error->message); + g_printerr ("\n"); + g_printerr (_("Try \"%s --help\" for more information."), + g_get_prgname ()); + g_printerr ("\n"); + g_error_free(error); + return 1; + } + + if (!locations) + { + /* Translators: the %s is the program name. This error message */ + /* means the user is calling gvfs-cat without any argument. */ + g_printerr (_("%s: missing locations"), g_get_prgname ()); + g_printerr ("\n"); + g_printerr (_("Try \"%s --help\" for more information."), + g_get_prgname ()); + g_printerr ("\n"); + return 1; + } + + i = 0; + + do + { + file = g_file_new_for_commandline_arg (locations[i]); + cat (file); + g_object_unref (file); + } + while (locations[++i] != NULL); + + return 0; +} |