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124 .\" ========================================================================
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125 .\"
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126 .IX Title "DBTABLESTOTEXTFILES 1"
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127 .TH DBTABLESTOTEXTFILES 1 "2015-03-29" "perl v5.14.2" "MayaChemTools"
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128 .\" For nroff, turn off justification. Always turn off hyphenation; it makes
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129 .\" way too many mistakes in technical documents.
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130 .if n .ad l
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131 .nh
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132 .SH "NAME"
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133 DBToTextFiles.pl \- Export data from database TableName(s) into CSV/TSV text files
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134 .SH "SYNOPSIS"
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135 .IX Header "SYNOPSIS"
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136 DBTablesToTextFiles.pl TableName(s)...
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137 .PP
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138 DBTablesToTextFiles.pl [\fB\-d, \-\-dbdriver\fR mysql | Oracle | Postgres or Pg] [\fB\-\-dbhost \fR hostname]
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139 [\fB\-\-dbname\fR databasename] [\fB\-\-dbpassword\fR password] [\fB\-\-dbusername\fR username]
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140 [\fB\-\-exportdatalabels\fR yes | no] [\fB\-\-exportlobs\fR yes | no] [\fB\-h, \-\-help\fR]
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141 [\fB\-m, \-\-mode\fR exportdata | describetable] [\fB\-o, \-\-overwrite\fR] [\fB\-\-outdelim\fR comma | tab | semicolon]
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142 [\fB\-q, \-\-quote\fR yes | no] [\fB\-r, \-\-root\fR rootname] [\fB\-\-replacenullstr string\fR]
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143 [\fB\-w \-\-workingdir\fR dirname] TableName(s)...
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144 .SH "DESCRIPTION"
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145 .IX Header "DESCRIPTION"
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146 Export data from MySQL, Oracle or PostgreSQL database tables into \s-1CSV/TSV\s0 text files. Or perform
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147 describe on all tables and store its output into \s-1CSV/TSV\s0 text files. A text file is generated
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148 for each table.
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149 .SH "OPTIONS"
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150 .IX Header "OPTIONS"
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151 .IP "\fB\-d, \-\-dbdriver\fR \fImysql | Oracle | Postgres or Pg\fR" 4
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152 .IX Item "-d, --dbdriver mysql | Oracle | Postgres or Pg"
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153 Database driver name. Possible values: \fImysql, Oracle, Postgres or Pg\fR. Default: \fIMySQL\fR or value of
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154 environment variable \s-1DBI_DRIVER\s0. This script has only been tested with MySQL, Oracle
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155 and PostgreSQL drivers.
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156 .IP "\fB\-\-dbhost \fR \fIhostname\fR" 4
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157 .IX Item "--dbhost hostname"
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158 Database host name. Default: \fI127.0.0.1\fR for both MySQL and Oracle. For remote
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159 databases, specify complete remote host domain: \fIdbhostname.org\fR or something
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160 like it.
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161 .IP "\fB\-\-dbname\fR \fIdatabasename\fR" 4
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162 .IX Item "--dbname databasename"
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163 Database name. Default: mysql for MySQL, postgres for PostgreSQL and none for Oracle.
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164 For connecting to local/remote Oracle databases, this value can be left undefined assuming
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165 \&\fB\-\-dbhost\fR is correctly specified.
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166 .IP "\fB\-\-dbpassword\fR \fIpassword\fR" 4
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167 .IX Item "--dbpassword password"
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168 Database user password. Default: \fInone\fR and value of environment variable \s-1DBI_PASS\s0
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169 is used for connecting to database.
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170 .IP "\fB\-\-dbusername\fR \fIusername\fR" 4
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171 .IX Item "--dbusername username"
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172 Database user name. Default: \fInone\fR and value of environment variable \s-1DBI_USER\s0 is
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173 used for connecting to database.
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174 .IP "\fB\-\-exportdatalabels\fR \fIyes | no\fR" 4
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175 .IX Item "--exportdatalabels yes | no"
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176 This option is mode specific and controls exporting of column data labels during
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177 exportdata mode. Possible values: \fIyes or no\fR. Default: \fIyes\fR.
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178 .IP "\fB\-\-exportlobs\fR \fIyes | no\fR" 4
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179 .IX Item "--exportlobs yes | no"
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180 This option is mode specific and controls exporting of \s-1CLOB/BLOB\s0 or \s-1BYTEA\s0 data columns during
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181 exportdata mode. Possible values: \fIyes or no\fR. Default: \fIno\fR.
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182 .IP "\fB\-h, \-\-help\fR" 4
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183 .IX Item "-h, --help"
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184 Print this help message.
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185 .IP "\fB\-m, \-\-mode\fR \fIexportdata | describetable\fR" 4
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186 .IX Item "-m, --mode exportdata | describetable"
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187 Data selection criterion from database. Possible values: \fIexportdata or describetable\fR.
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188 Default value: \fIexportdata\fR.
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189 .IP "\fB\-o, \-\-overwrite\fR" 4
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190 .IX Item "-o, --overwrite"
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191 Overwrite existing files.
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192 .IP "\fB\-\-outdelim\fR \fIcomma | tab | semicolon\fR" 4
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193 .IX Item "--outdelim comma | tab | semicolon"
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194 Output text file delimiter. Possible values: \fIcomma, tab, or semicolon\fR
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195 Default value: \fIcomma\fR.
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196 .IP "\fB\-q, \-\-quote\fR \fIyes | no\fR" 4
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197 .IX Item "-q, --quote yes | no"
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198 Put quotes around column values in output text file. Possible values: \fIyes or
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199 no\fR. Default value: \fIyes\fR.
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200 .IP "\fB\-r, \-\-root\fR \fIrootname\fR" 4
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201 .IX Item "-r, --root rootname"
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202 New file name is generated using the root:<Root>.<Ext>. Default new file
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203 file names: <Mode><TableName>.<Ext>. The csv and tsv <Ext> values are used
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204 for comma/semicolon, and tab delimited text files respectively.This option is
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205 ignored for multiple input table names.
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206 .IP "\fB\-\-replacenullstr\fR \fIstring\fR" 4
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207 .IX Item "--replacenullstr string"
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208 Replace \s-1NULL\s0 or undefined row values with specified value. Default: \fInone\fR
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209 .Sp
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210 For importing output text files into MySQL database using \*(L"load data local infile '<tablename>.tsv'
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211 into table <tablename>\*(R" command, use \fI\-\-raplacenullstr \*(L"\s-1NULL\s0\*(R"\fR in conjunction with \fI\-\-exportdatalabels no\fR,
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212 \&\fI\-\-quote no\fR, and \fI\-\-outdelim tab\fR options: it'll generate files for direct import into MySQL assuming
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213 tables already exists.
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214 .IP "\fB\-w \-\-workingdir\fR \fIdirname\fR" 4
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215 .IX Item "-w --workingdir dirname"
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216 Location of working directory. Default: current directory.
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217 .SH "EXAMPLES"
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218 .IX Header "EXAMPLES"
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219 To export all data in user and user_info tables from a MySQL server running on a local machine
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220 using username/password from \s-1DBI_USER\s0 and \s-1DBI_PASS\s0 environmental variables, type:
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221 .PP
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222 .Vb 1
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223 \& % DBTablesToTextFiles.pl \-o user user_info
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224 .Ve
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225 .PP
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226 To describe user and user_info tables in a MySQL server running on a remote machine using explicit
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227 username/password and capturing the output into a DescribeTables.csv file, type:
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228 .PP
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229 .Vb 3
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230 \& % DBTablesToTextFiles.pl \-\-dbdriver mysql \-\-dbuser <name> \-\-dbpassword
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231 \& <pasword> \-\-dbname mysql \-\-dbhost <mysqlhostname.org>
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232 \& \-r DescribeTable \-m describetable \-o user user_info
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233 .Ve
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234 .PP
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235 To describe table all_tables in Oracle running on a remote machine using explicit
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236 username/password and capturing the output into a DescribeAllTable.tsv file, type:
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237 .PP
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238 .Vb 3
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239 \& % DBTablesToTextFiles.pl \-\-dbdriver Oracle \-\-dbuser <name> \-\-dbpassword
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240 \& <pasword> \-\-dbhost <oraclehostname.com> \-r DescribeAllTable
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241 \& \-m describetable \-\-outdelim tab \-\-quote no \-o all_tables
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242 .Ve
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243 .PP
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244 To export all data in user and user_info tables from MySQL server running on a local machine
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245 using explicit username/password and capturing the data in ExportTables.tsv file with empty
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246 values substituted with \s-1NULL\s0 and no column labels, type:
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247 .PP
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248 .Vb 4
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249 \& % DBTablesToTextFiles.pl \-\-dbdriver Oracle \-\-dbuser <name> \-\-dbpassword
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250 \& <pasword> \-r ExportTables \-\-outdelim tab \-\-quote no \-\-replacenullstr
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251 \& "\eN" \-m exportdata \-\-exportlobs no \-\-exportdatalabels no \-o
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252 \& user user_info
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253 .Ve
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254 .SH "AUTHOR"
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255 .IX Header "AUTHOR"
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256 Manish Sud <msud@san.rr.com>
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257 .SH "SEE ALSO"
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258 .IX Header "SEE ALSO"
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259 DBSchemaTablesToTextFiles.pl, DBSQLToTextFiles.pl
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260 .SH "COPYRIGHT"
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261 .IX Header "COPYRIGHT"
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262 Copyright (C) 2015 Manish Sud. All rights reserved.
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263 .PP
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264 This file is part of MayaChemTools.
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265 .PP
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266 MayaChemTools is free software; you can redistribute it and/or modify it under
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267 the terms of the \s-1GNU\s0 Lesser General Public License as published by the Free
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268 Software Foundation; either version 3 of the License, or (at your option)
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269 any later version.
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