.\" -*- nroff -*- .\" Copyright (C) 2020 Free Software Foundation .\" This program is free software: you can redistribute it and/or modify .\" it under the terms of the GNU General Public License as published by .\" the Free Software Foundation, either version 3 of the License, or .\" (at your option) any later version. .\" This program 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 General Public License for more details. .\" You should have received a copy of the GNU General Public License .\" along with this program. If not, see . .de IQ . br . ns . IP "\\$1" .. .TH pspp\-convert 1 "October 2013" "PSPP" "PSPP Manual" . .SH NAME pspp\-convert \- convert SPSS data files to other formats . .SH SYNOPSIS \fBpspp\-convert\fR [\fIoptions\fR] \fIinput\fR \fIoutput\fR .br \fBpspp\-convert \-\-help\fR | \fB\-h\fR .br \fBpspp\-convert \-\-version\fR | \fB\-v\fR . .SH DESCRIPTION The \fBpspp\-convert\fR program reads \fIinput\fR, which may be an SPSS system file, an SPSS/PC+ system file, an SPSS portable file, or an encrypted SPSS syntax file, and writes it to \fIoutput\fR, performing format conversion as necessary. .PP The format of \fIinput\fR is automatically detected, when possible. The character encoding of old SPSS system files cannot always be guessed correctly, and SPSS/PC+ system files do not include any indication of their encoding. Use \fB\-e \fIencoding\fR to specify the encoding in this case. .PP By default, the intended format for \fIoutput\fR is inferred from its extension: . .IP \fBcsv\fR .IQ \fBtxt\fR Comma-separated value. Each value is formatted according to its variable's print format. The first line in the file contains variable names. . .IP \fBsav\fR .IQ \fBsys\fR SPSS system file. . .IP \fBpor\fR SPSS portable file. . .IP \fBsps\fR SPSS syntax file. (Only encrypted syntax files may be converted to this format.) . .PP Use \fB\-O \fIextension\fR to override the inferred format or to specify the format for unrecognized extensions. . .PP \fBpspp\-convert\fR can convert most input formats to most output formats. Encrypted SPSS file formats are exceptions: if the input file is in an encrypted format, then the output file will be the same format (decrypted). Options for the output format are ignored in this case. . .SH "OPTIONS" .SS "General Options" . .IP "\fB\-O format\fR" .IQ "\fB\-\-output\-format=\fIformat\fR" Specifies the desired output format. \fIformat\fR must be one of the extensions listed above, e.g. \fB\-O csv\fR requests comma-separated value output. . .IP "\fB\-c \fImaxcases\fR" .IQ "\fB\-\-cases=\fImaxcases\fR" By default, all cases are copied from \fIinput\fR to \fIoutput\fR. Specifying this option to limit the number of cases written to \fIoutput\fR to \fImaxcases\fR. . .IP "\fB\-e \fIcharset\fR" .IQ "\fB\-\-encoding=\fIcharset\fR" Overrides the encoding in which character strings in \fIinput\fR are interpreted. This option is necessary because old SPSS system files do not self-identify their encoding. . .IP "\fB\-k \fIvar\fR..." .IQ "\fB\-\-keep=\fIvar\fR..." Drops all variables except those listed as \fIvar\fR, and reorders the remaining variables into the specified order. . .IP "\fB\-d \fIvar\fR..." .IQ "\fB\-\-drop=\fIvar\fR..." Drops each \fIvar\fR listed from the output. . .SS "CSV Output Options" .PP These options affect only output to \fB.csv\fR and \fB.txt\fR files. .IP "\fB\-\-labels\fR" By default, \fBpspp\-convert\fR writes variables' values to the output. With this option, \fBpspp\-convert\fR writes value labels. .IP "\fB\-\-no\-var\-names\fR" By default, \fRpspp\-convert\fR\fR writes the variable names as the first line of output. With this option, \fBpspp\-convert\fR omits this line. .IP "\fB\-\-recode\fR" By default, \fBpspp\-convert\fR writes user-missing values as their regular values. With this option, \fBpspp\-convert\fR recodes them to system-missing values (which are written as a single space). .IP "\fB\-\-print\-formats\fR" By default, \fBpspp\-convert\fR writes numeric variables as plain numbers. This option makes \fBpspp\-convert\fR honor variables' print formats. .IP "\fB\-\-decimal=\fIdecimal\fR" This option sets the character used as a decimal point in output. The default is a period (\fB.\fR). .IP "\fB\-\-delimiter=\fIdelimiter\fR" This option sets the character used to separate fields in output. The default is a comma (\fB,\fR), unless the decimal point is a comma, in which case a semicolon (\fB;\fR) is used. .IP "\fB\-\-qualifier=\fIqualifier\fR" The option sets the character used to quote fields that contain the delimiter. The default is a double quote (\fB\(dq\fR). . .SS "Password Options" When the input file is encrypted, \fBpspp\-convert\fR needs to obtain a password to decrypt it. To do so, the user may specify the password with \fB\-p\fR (or \fB\-\-password\fR), or the name of a file containing a list of possible passwords with \fB\-\-password\-list\fR, or an alphabet of possible passwords to try along with a maximum length with \fB\-a\fR (or \fB\-\-password\-alphabet\fR) and \fB\-l\fR (or \-\-password\-length\fR). If none of these options is used, \fBpspp\-convert\fR prompts for the password. The password options are: . .IP "\fB\-p \fIpassword\fR" .IQ "\fB\-\-password=\fIpassword\fR" Specifies the password to use to decrypt the input file. . .IP On multiuser systems, this option may not be safe because other users may be able to see the password in process listings. . .IP "\fB\-a \fIalphabet \fB\-l \fImax-length\fR" .IQ "\fB\-\-password-alphabet=\fIalphabet\ \fB\-\-password-length=\fImax-length\fR" These options are an alternative to \fB\-p\fR or \fB\-\-password\fR. They direct \fBpspp\-convert\fR to search for the correct password from the set of all passwords of symbols from \fIalphabet\fR (which may contain character ranges specified with \fB-\fR) and no more than \fImax-length\fR symbols long. For example, \fB\-a a-z \-l 5\fR checks all possible lowercase alphabetic passwords no more than 5 characters long. .IP When these options are used, \fB\-p\fR may additionally specify a starting point for the search. . .IP "\fB\-\-password\-list=\fIfile\fR" Specifies a file to read containing a list of passwords to try, one per line. If \fIfile\fR is \fB\-\fR, reads from stdin. . .SS "Other Options" .IP "\fB\-h\fR" .IQ "\fB\-\-help\fR" Prints a usage message on stdout and exits. . .IP "\fB\-v\fR" .IQ "\fB\-\-version\fR" Prints version information on stdout and exits. . .SH "AUTHORS" Ben Pfaff. . .SH "SEE ALSO" . .BR pspp\-output (1), .BR pspp (1), .BR psppire (1).