101 lines
2.0 KiB
C
101 lines
2.0 KiB
C
/*
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* (C) Copyright 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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*
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* Under GPLv2 Only
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*/
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#include <common.h>
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#include <command.h>
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#include <fs.h>
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#include <filetype.h>
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#include <environment.h>
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#include <magicvar.h>
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#include <getopt.h>
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#include <linux/stat.h>
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#include <errno.h>
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static int do_filetype(int argc, char *argv[])
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{
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int opt;
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enum filetype type;
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char *filename = NULL;
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int verbose = -1, list = 0;
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const char *varname = NULL;
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struct stat s;
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int ret;
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while ((opt = getopt(argc, argv, "vls:")) > 0) {
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switch (opt) {
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case 'v':
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verbose = 1;
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break;
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case 'l':
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list = 1;
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break;
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case 's':
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varname = optarg;
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/* in scripting mode default to nonverbose */
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if (verbose < 0)
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verbose = 0;
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break;
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default:
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return COMMAND_ERROR_USAGE;
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}
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}
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if (verbose < 0)
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verbose = 1;
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if (list) {
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int i;
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printf("known filetypes:\n");
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for (i = 1; i < filetype_max; i++)
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printf("%-16s: %s\n", file_type_to_short_string(i),
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file_type_to_string(i));
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return 0;
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}
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if (argc - optind < 1)
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return COMMAND_ERROR_USAGE;
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filename = argv[optind];
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ret = stat(filename, &s);
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if (ret)
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return ret;
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if (S_ISDIR(s.st_mode))
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return -EISDIR;
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type = file_name_detect_type(filename);
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if (verbose)
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printf("%s: %s (%s)\n", filename,
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file_type_to_string(type),
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file_type_to_short_string(type));
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if (varname)
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setenv(varname, file_type_to_short_string(type));
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return 0;
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}
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BAREBOX_CMD_HELP_START(filetype)
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BAREBOX_CMD_HELP_TEXT("Detect type of a file and export result to a variable.")
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BAREBOX_CMD_HELP_TEXT("")
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BAREBOX_CMD_HELP_TEXT("Options:")
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BAREBOX_CMD_HELP_OPT("-v", "verbose")
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BAREBOX_CMD_HELP_OPT("-s VAR", "set variable VAR to shortname")
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BAREBOX_CMD_HELP_OPT("-l", "list known filetypes")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(filetype)
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.cmd = do_filetype,
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BAREBOX_CMD_DESC("detect file type")
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BAREBOX_CMD_OPTS("[-vsl] FILE")
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BAREBOX_CMD_GROUP(CMD_GRP_FILE)
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BAREBOX_CMD_HELP(cmd_filetype_help)
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BAREBOX_CMD_END
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