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diff --git a/man-pages-posix-2003/man1p/val.1p b/man-pages-posix-2003/man1p/val.1p new file mode 100644 index 0000000..865afd0 --- /dev/null +++ b/man-pages-posix-2003/man1p/val.1p @@ -0,0 +1,234 @@ +.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved +.TH "VAL" 1P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual" +.\" val +.SH PROLOG +This manual page is part of the POSIX Programmer's Manual. +The Linux implementation of this interface may differ (consult +the corresponding Linux manual page for details of Linux behavior), +or the interface may not be implemented on Linux. +.SH NAME +val \- validate SCCS files (\fBDEVELOPMENT\fP) +.SH SYNOPSIS +.LP +\fBval - +.br +.sp +val\fP \fB[\fP\fB-s\fP\fB][\fP\fB-m\fP \fIname\fP\fB][\fP\fB-r\fP +\fISID\fP\fB][\fP\fB-y\fP +\fItype\fP\fB]\fP \fIfile\fP\fB... \fP +\fB +.br +\fP +.SH DESCRIPTION +.LP +The \fIval\fP utility shall determine whether the specified \fIfile\fP +is an SCCS file meeting the characteristics specified +by the options. +.SH OPTIONS +.LP +The \fIval\fP utility shall conform to the Base Definitions volume +of IEEE\ Std\ 1003.1-2001, Section 12.2, Utility Syntax Guidelines, +except that the usage of the \fB'-'\fP +operand is not strictly as intended by the guidelines (that is, reading +options and operands from standard input). +.LP +The following options shall be supported: +.TP 7 +\fB-m\ \fP \fIname\fP +Specify a \fIname\fP, which is compared with the SCCS %\fBM\fP% keyword +in \fIfile\fP; see \fIget\fP +\&. +.TP 7 +\fB-r\ \fP \fISID\fP +Specify a \fISID\fP (SCCS Identification String), an SCCS delta number. +A check shall be made to determine whether the +\fISID\fP is ambiguous (for example, \fB-r\ 1\fP is ambiguous because +it physically does not exist but implies 1.1, 1.2, and +so on, which may exist) or invalid (for example, \fB-r\ 1.0\fP or +\fB-r\ 1.1.0\fP are invalid because neither case can +exist as a valid delta number). If the \fISID\fP is valid and not +ambiguous, a check shall be made to determine whether it +actually exists. +.TP 7 +\fB-s\fP +Silence the diagnostic message normally written to standard output +for any error that is detected while processing each named +file on a given command line. +.TP 7 +\fB-y\ \fP \fItype\fP +Specify a \fItype\fP, which shall be compared with the SCCS %\fBY\fP% +keyword in \fIfile\fP; see \fIget\fP . +.sp +.SH OPERANDS +.LP +The following operands shall be supported: +.TP 7 +\fIfile\fP +A pathname of an existing SCCS file. If exactly one \fIfile\fP operand +appears, and it is \fB'-'\fP, the standard input +shall be read: each line shall be independently processed as if it +were a command line argument list. (However, the line is not +subjected to any of the shell word expansions, such as parameter expansion +or quote removal.) +.sp +.SH STDIN +.LP +The standard input shall be a text file used only when the \fIfile\fP +operand is specified as \fB'-'\fP . +.SH INPUT FILES +.LP +Any SCCS files processed shall be files of an unspecified format. +.SH ENVIRONMENT VARIABLES +.LP +The following environment variables shall affect the execution of +\fIval\fP: +.TP 7 +\fILANG\fP +Provide a default value for the internationalization variables that +are unset or null. (See the Base Definitions volume of +IEEE\ Std\ 1003.1-2001, Section 8.2, Internationalization Variables +for +the precedence of internationalization variables used to determine +the values of locale categories.) +.TP 7 +\fILC_ALL\fP +If set to a non-empty string value, override the values of all the +other internationalization variables. +.TP 7 +\fILC_CTYPE\fP +Determine the locale for the interpretation of sequences of bytes +of text data as characters (for example, single-byte as +opposed to multi-byte characters in arguments and input files). +.TP 7 +\fILC_MESSAGES\fP +Determine the locale that should be used to affect the format and +contents of diagnostic messages written to standard error, +and informative messages written to standard output. +.TP 7 +\fINLSPATH\fP +Determine the location of message catalogs for the processing of \fILC_MESSAGES +\&.\fP +.sp +.SH ASYNCHRONOUS EVENTS +.LP +Default. +.SH STDOUT +.LP +The standard output shall consist of informative messages about either: +.IP " 1." 4 +Each file processed +.LP +.IP " 2." 4 +Each command line read from standard input +.LP +.LP +If the standard input is not used, for each \fIfile\fP operand yielding +a discrepancy, the output line shall have the following +format: +.sp +.RS +.nf + +\fB"%s: %s\\n", <\fP\fIpathname\fP\fB>, <\fP\fIunspecified string\fP\fB> +\fP +.fi +.RE +.LP +If standard input is used, a line of input shall be written before +each of the preceding lines for files containing +discrepancies: +.sp +.RS +.nf + +\fB"%s:\\n", <\fP\fIinput line\fP\fB> +\fP +.fi +.RE +.SH STDERR +.LP +Not used. +.SH OUTPUT FILES +.LP +None. +.SH EXTENDED DESCRIPTION +.LP +None. +.SH EXIT STATUS +.LP +The 8-bit code returned by \fIval\fP shall be a disjunction of the +possible errors; that is, it can be interpreted as a bit +string where set bits are interpreted as follows: +.TS C +center; l l l. +0x80 = Missing file argument. +0x40 = Unknown or duplicate option. +0x20 = Corrupted SCCS file. +0x10 = Cannot open file or file not SCCS. +0x08 = \fISID\fP is invalid or ambiguous. +0x04 = \fISID\fP does not exist. +0x02 = %\fBY\fP%, \fB-y\fP mismatch. +0x01 = %\fBM\fP%, \fB-m\fP mismatch. +.TE +.LP +Note that \fIval\fP can process two or more files on a given command +line and can process multiple command lines (when reading +the standard input). In these cases an aggregate code shall be returned: +a logical OR of the codes generated for each command line +and file processed. +.SH CONSEQUENCES OF ERRORS +.LP +Default. +.LP +\fIThe following sections are informative.\fP +.SH APPLICATION USAGE +.LP +Since the \fIval\fP exit status sets the 0x80 bit, shell applications +checking \fB"$?"\fP cannot tell if it terminated due +to a missing file argument or receipt of a signal. +.SH EXAMPLES +.LP +In a directory with three SCCS files- \fBs.x\fP (of \fBt\fP type "text"), +\fBs.y\fP, and \fBs.z\fP (a corrupted file)-the +following command could produce the output shown: +.sp +.RS +.nf + +\fBval - <<EOF +-y source s.x +-m y s.y +s.z +EOF +.sp + +-y source s.x +.sp + + s.x: %Y%, -y mismatch +s.z +.sp + + s.z: corrupted SCCS file +\fP +.fi +.RE +.SH RATIONALE +.LP +None. +.SH FUTURE DIRECTIONS +.LP +None. +.SH SEE ALSO +.LP +\fIadmin\fP, \fIdelta\fP, \fIget\fP, \fIprs\fP +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of +Electrical and Electronics Engineers, Inc and The Open Group. In the +event of any discrepancy between this version and the original IEEE and +The Open Group Standard, the original IEEE and The Open Group Standard +is the referee document. The original Standard can be obtained online at +http://www.opengroup.org/unix/online.html . |