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128 .\" ======================================================================== |
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129 .\" |
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130 .IX Title "STRINGS 1" |
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131 .TH STRINGS 1 "2008-01-09" "binutils-2.18.50" "GNU Development Tools" |
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132 .SH "NAME" |
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133 strings \- print the strings of printable characters in files. |
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134 .SH "SYNOPSIS" |
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135 .IX Header "SYNOPSIS" |
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136 strings [\fB\-afov\fR] [\fB\-\fR\fImin-len\fR] |
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137 [\fB\-n\fR \fImin-len\fR] [\fB\-\-bytes=\fR\fImin-len\fR] |
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138 [\fB\-t\fR \fIradix\fR] [\fB\-\-radix=\fR\fIradix\fR] |
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139 [\fB\-e\fR \fIencoding\fR] [\fB\-\-encoding=\fR\fIencoding\fR] |
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140 [\fB\-\fR] [\fB\-\-all\fR] [\fB\-\-print\-file\-name\fR] |
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141 [\fB\-T\fR \fIbfdname\fR] [\fB\-\-target=\fR\fIbfdname\fR] |
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142 [\fB\-\-help\fR] [\fB\-\-version\fR] \fIfile\fR... |
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143 .SH "DESCRIPTION" |
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144 .IX Header "DESCRIPTION" |
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145 For each \fIfile\fR given, \s-1GNU\s0 \fBstrings\fR prints the printable |
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146 character sequences that are at least 4 characters long (or the number |
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147 given with the options below) and are followed by an unprintable |
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148 character. By default, it only prints the strings from the initialized |
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149 and loaded sections of object files; for other types of files, it prints |
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150 the strings from the whole file. |
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151 .PP |
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152 \&\fBstrings\fR is mainly useful for determining the contents of non-text |
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153 files. |
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154 .SH "OPTIONS" |
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155 .IX Header "OPTIONS" |
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156 .IP "\fB\-a\fR" 4 |
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157 .IX Item "-a" |
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158 .PD 0 |
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159 .IP "\fB\-\-all\fR" 4 |
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160 .IX Item "--all" |
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161 .IP "\fB\-\fR" 4 |
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162 .IX Item "-" |
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163 .PD |
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164 Do not scan only the initialized and loaded sections of object files; |
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165 scan the whole files. |
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166 .IP "\fB\-f\fR" 4 |
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167 .IX Item "-f" |
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168 .PD 0 |
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169 .IP "\fB\-\-print\-file\-name\fR" 4 |
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170 .IX Item "--print-file-name" |
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171 .PD |
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172 Print the name of the file before each string. |
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173 .IP "\fB\-\-help\fR" 4 |
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174 .IX Item "--help" |
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175 Print a summary of the program usage on the standard output and exit. |
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176 .IP "\fB\-\fR\fImin-len\fR" 4 |
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177 .IX Item "-min-len" |
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178 .PD 0 |
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179 .IP "\fB\-n\fR \fImin-len\fR" 4 |
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180 .IX Item "-n min-len" |
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181 .IP "\fB\-\-bytes=\fR\fImin-len\fR" 4 |
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182 .IX Item "--bytes=min-len" |
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183 .PD |
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184 Print sequences of characters that are at least \fImin-len\fR characters |
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185 long, instead of the default 4. |
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186 .IP "\fB\-o\fR" 4 |
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187 .IX Item "-o" |
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188 Like \fB\-t o\fR. Some other versions of \fBstrings\fR have \fB\-o\fR |
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189 act like \fB\-t d\fR instead. Since we can not be compatible with both |
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190 ways, we simply chose one. |
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191 .IP "\fB\-t\fR \fIradix\fR" 4 |
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192 .IX Item "-t radix" |
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193 .PD 0 |
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194 .IP "\fB\-\-radix=\fR\fIradix\fR" 4 |
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195 .IX Item "--radix=radix" |
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196 .PD |
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197 Print the offset within the file before each string. The single |
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198 character argument specifies the radix of the offset\-\-\-\fBo\fR for |
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199 octal, \fBx\fR for hexadecimal, or \fBd\fR for decimal. |
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200 .IP "\fB\-e\fR \fIencoding\fR" 4 |
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201 .IX Item "-e encoding" |
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202 .PD 0 |
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203 .IP "\fB\-\-encoding=\fR\fIencoding\fR" 4 |
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204 .IX Item "--encoding=encoding" |
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205 .PD |
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206 Select the character encoding of the strings that are to be found. |
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207 Possible values for \fIencoding\fR are: \fBs\fR = single\-7\-bit\-byte |
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208 characters (\s-1ASCII\s0, \s-1ISO\s0 8859, etc., default), \fBS\fR = |
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209 single\-8\-bit\-byte characters, \fBb\fR = 16\-bit bigendian, \fBl\fR = |
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210 16\-bit littleendian, \fBB\fR = 32\-bit bigendian, \fBL\fR = 32\-bit |
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211 littleendian. Useful for finding wide character strings. |
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212 .IP "\fB\-T\fR \fIbfdname\fR" 4 |
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213 .IX Item "-T bfdname" |
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214 .PD 0 |
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215 .IP "\fB\-\-target=\fR\fIbfdname\fR" 4 |
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216 .IX Item "--target=bfdname" |
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217 .PD |
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218 Specify an object code format other than your system's default format. |
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219 .IP "\fB\-v\fR" 4 |
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220 .IX Item "-v" |
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221 .PD 0 |
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222 .IP "\fB\-\-version\fR" 4 |
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223 .IX Item "--version" |
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224 .PD |
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225 Print the program version number on the standard output and exit. |
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226 .IP "\fB@\fR\fIfile\fR" 4 |
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227 .IX Item "@file" |
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228 Read command-line options from \fIfile\fR. The options read are |
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229 inserted in place of the original @\fIfile\fR option. If \fIfile\fR |
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230 does not exist, or cannot be read, then the option will be treated |
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231 literally, and not removed. |
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232 .Sp |
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233 Options in \fIfile\fR are separated by whitespace. A whitespace |
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234 character may be included in an option by surrounding the entire |
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235 option in either single or double quotes. Any character (including a |
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236 backslash) may be included by prefixing the character to be included |
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237 with a backslash. The \fIfile\fR may itself contain additional |
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238 @\fIfile\fR options; any such options will be processed recursively. |
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239 .SH "SEE ALSO" |
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240 .IX Header "SEE ALSO" |
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241 \&\fIar\fR\|(1), \fInm\fR\|(1), \fIobjdump\fR\|(1), \fIranlib\fR\|(1), \fIreadelf\fR\|(1) |
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242 and the Info entries for \fIbinutils\fR. |
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243 .SH "COPYRIGHT" |
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244 .IX Header "COPYRIGHT" |
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245 Copyright (c) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
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246 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. |
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247 .PP |
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248 Permission is granted to copy, distribute and/or modify this document |
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249 under the terms of the \s-1GNU\s0 Free Documentation License, Version 1.2 |
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250 or any later version published by the Free Software Foundation; |
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251 with no Invariant Sections, with no Front-Cover Texts, and with no |
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252 Back-Cover Texts. A copy of the license is included in the |
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253 section entitled \*(L"\s-1GNU\s0 Free Documentation License\*(R". |