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annotate lwar/main.c @ 4:a4812d57ed13

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Started implementing command line parsing in lwlib
author lost@l-w.ca
date Fri, 21 Jan 2011 22:54:48 -0700
parents 2c24602be78f
children 6eed14cccac9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
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1 /*
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2 main.c
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3 Copyright © 2009 William Astle
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4
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5 This file is part of LWAR.
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6
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7 LWAR is free software: you can redistribute it and/or modify it under the
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8 terms of the GNU General Public License as published by the Free Software
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9 Foundation, either version 3 of the License, or (at your option) any later
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10 version.
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11
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12 This program is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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15 more details.
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16
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17 You should have received a copy of the GNU General Public License along with
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18 this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20
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21 Implements the program startup code
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22
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23 */
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24
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25 #include <argp.h>
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26 #include <errno.h>
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27 #include <stdio.h>
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28 #include <stdlib.h>
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29 #include <sys/types.h>
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30 #include <sys/stat.h>
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31 #include <unistd.h>
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32
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33 #include "lwar.h"
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34
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35 // command line option handling
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36 const char *argp_program_version = "LWAR from " PACKAGE_STRING;
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37 const char *argp_program_bug_address = PACKAGE_BUGREPORT;
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38 char *program_name;
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39
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40 static error_t parse_opts(int key, char *arg, struct argp_state *state)
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41 {
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42 switch (key)
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43 {
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44 case 'd':
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45 // debug
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46 debug_level++;
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47 break;
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48
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49 case 'a':
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50 // add members
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51 operation = LWAR_OP_ADD;
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52 break;
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53
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54 case 'c':
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55 // create archive
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56 operation = LWAR_OP_CREATE;
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57 break;
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58
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59 case 'm':
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60 mergeflag = 1;
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61 break;
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62
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63 case 'r':
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64 // replace members
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65 operation = LWAR_OP_REPLACE;
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66 break;
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67
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68 case 'l':
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69 // list members
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70 operation = LWAR_OP_LIST;
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71 break;
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72
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73 case 'x':
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74 // extract members
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75 operation = LWAR_OP_EXTRACT;
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76 break;
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77
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78 case ARGP_KEY_ARG:
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79 if (archive_file)
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80 {
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81 // add archive member to list
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82 add_file_name(arg);
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83 }
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84 else
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85 archive_file = arg;
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86 break;
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87
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88 default:
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89 return ARGP_ERR_UNKNOWN;
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90 }
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91 return 0;
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92 }
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93
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94 static struct argp_option options[] =
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95 {
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96 { "replace", 'r', 0, 0,
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97 "Add or replace archive members" },
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98 { "extract", 'x', 0, 0,
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99 "Extract members from the archive" },
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100 { "add", 'a', 0, 0,
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101 "Add members to the archive" },
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102 { "list", 'l', 0, 0,
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103 "List the contents of the archive" },
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104 { "create", 'c', 0, 0,
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105 "Create new archive (or truncate existing one)" },
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106 { "merge", 'm', 0, 0,
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107 "Add the contents of archive arguments instead of the archives themselves" },
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108 { "debug", 'd', 0, 0,
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109 "Set debug mode"},
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110 { 0 }
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111 };
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112
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113 static struct argp argp =
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114 {
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115 options,
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116 parse_opts,
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117 "<archive> [<file> ...]",
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118 "LWAR, a library file manager for LWLINK"
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119 };
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120
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121 extern void do_list(void);
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122 extern void do_add(void);
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123 extern void do_remove(void);
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124 extern void do_replace(void);
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125 extern void do_extract(void);
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126
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127 // main function; parse command line, set up assembler state, and run the
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128 // assembler on the first file
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129 int main(int argc, char **argv)
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130 {
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131 program_name = argv[0];
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132 argp_parse(&argp, argc, argv, 0, 0, NULL);
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133 if (archive_file == NULL)
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134 {
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135 fprintf(stderr, "You must specify an archive file.\n");
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136 exit(1);
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137 }
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138
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139 if (operation == 0)
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140 {
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141 fprintf(stderr, "You must specify an operation.\n");
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142 exit(1);
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143 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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144
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145 if (operation == LWAR_OP_LIST || operation == LWAR_OP_REMOVE || operation == LWAR_OP_EXTRACT)
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146 {
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147 struct stat stbuf;
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148 // make sure the archive exists
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149 if (stat(archive_file, &stbuf) < 0)
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150 {
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151 fprintf(stderr, "Cannot open archive file %s:\n", archive_file);
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152 perror("");
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153 exit(2);
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154 }
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155 }
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156 if (operation == LWAR_OP_CREATE)
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157 {
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158 struct stat stbuf;
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159 // check if the archive exists
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160 if (stat(archive_file, &stbuf) < 0)
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161 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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162 if (errno != ENOENT)
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163 {
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164 fprintf(stderr, "Cannot create archive file %s:\n", archive_file);
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165 perror("");
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166 exit(2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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167 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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168 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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169 else
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170 {
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171 if (unlink(archive_file) < 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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172 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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173 fprintf(stderr, "Cannot create archive file %s:\n", archive_file);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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174 perror("");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
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175 exit(2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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176 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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177
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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178 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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179 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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180
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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181 switch (operation)
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182 {
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183 case LWAR_OP_LIST:
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184 do_list();
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185 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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186
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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187 case LWAR_OP_ADD:
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188 case LWAR_OP_CREATE:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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189 do_add();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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190 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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191
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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192 case LWAR_OP_REMOVE:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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193 do_remove();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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194 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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195
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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196 case LWAR_OP_REPLACE:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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197 do_replace();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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198 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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199
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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200 case LWAR_OP_EXTRACT:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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201 do_extract();
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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202 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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203 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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204
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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205 exit(0);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
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206 }