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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1982-2012 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* David Korn <dgk@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* tables for the test builin [[...]] and [...]
*/
#include <ast.h>
#include "defs.h"
#include "test.h"
/*
* This is the list of binary test and [[...]] operators
*/
const Shtable_t shtab_testops[] =
{
"!=", TEST_SNE,
"-a", TEST_AND,
"-ef", TEST_EF,
"-eq", TEST_EQ,
"-ge", TEST_GE,
"-gt", TEST_GT,
"-le", TEST_LE,
"-lt", TEST_LT,
"-ne", TEST_NE,
"-nt", TEST_NT,
"-o", TEST_OR,
"-ot", TEST_OT,
"=", TEST_SEQ,
"==", TEST_SEQ,
"=~", TEST_REP,
"<", TEST_SLT,
">", TEST_SGT,
"]]", TEST_END,
"", 0
};
const char sh_opttest[] =
"[-1c?\n@(#)$Id: test (AT&T Research) 2003-03-18 $\n]"
USAGE_LICENSE
"[+NAME?test - evaluate expression]"
"[+DESCRIPTION?\btest\b evaluates expressions and indicates its "
"results based on the exit status. Option parsing is not "
"performed so that all arguments, including \b--\b are processed "
" as operands. The evaluation of the "
"expression depends on the number of operands as follows:]{"
"[+0?Evaluates to false.]"
"[+1?True if argument is not an empty string.]"
"[+2?If first operand is \b!\b, the result is True if the second "
"operand an empty string. Otherwise, it is evaluated "
"as one of the unary expressions defined below. If the "
"unary operator is invalid and the second argument is \b--\b,"
"then the first argument is processed as an option argument.]"
"[+3?If first operand is \b!\b, the result is True if the second "
"and third operand evaluated as a unary expression is False. "
"Otherwise, the three operands are evaluaged as one of the "
"binary expressions listed below.]"
"[+4?If first operand is \b!\b, the result is True if the next "
"three operands are a valid binary expression that is False.]"
"}"
"[If any \afile\a is of the form \b/dev/fd/\b\an\a, then file descriptor "
"\an\a is checked.]"
"[+?Unary expressions can be one of the following:]{"
"[+-a \afile\a?True if \afile\a exists, obsolete.]"
"[+-b \afile\a?True if \afile\a exists and is a block special file.]"
"[+-c \afile\a?True if \afile\a exists and is a character special "
"file.]"
"[+-d \afile\a?True if \afile\a exists and is a directory.]"
"[+-e \afile\a?True if \afile\a exists.]"
"[+-f \afile\a?True if \afile\a exists and is a regular file.]"
"[+-g \afile\a?True if \afile\a exists and has its set-group-id bit "
"set.]"
"[+-h \afile\a?True if \afile\a exists and is a symbolic link.]"
"[+-k \afile\a?True if \afile\a exists and has its sticky bit on.]"
#if SHOPT_TEST_L
"[+-l \afile\a?True if \afile\a exists and is a symbolic link.]"
#endif
"[+-n \astring\a?True if length of \astring\a is non-zero.]"
"[+-o \aoption\a?True if the shell option \aoption\a is enabled.]"
"[+-p \afile\a?True if \afile\a exists and is a pipe or fifo.]"
"[+-r \afile\a?True if \afile\a exists and is readable.]"
"[+-s \afile\a?True if \afile\a exists and has size > 0.]"
"[+-t \afildes\a?True if file descriptor number \afildes\a is "
"open and is associated with a terminal device.]"
"[+-u \afile\a?True if \afile\a exists and has its set-user-id bit "
"set.]"
"[+-v \avarname\a?True if \avarname\a is a valid variable name that is set.]"
"[+-w \afile\a?True if \afile\a exists and is writable.]"
"[+-x \afile\a?True if \afile\a exists and is executable. For a "
"directory it means that it can be searched.]"
"[+-z \astring\a?True if \astring\a is a zero length string.]"
"[+-G \afile\a?True if \afile\a exists and group is the effective "
"group id of the current process.]"
"[+-L \afile\a?True if \afile\a exists and is a symbolic link.]"
"[+-N \afile\a?True if \afile\a exists and has been modified since "
"it was last read.]"
"[+-O \afile\a?True if \afile\a exists and owner is the effective "
"user id of the current process.]"
"[+-R \avarname\a?True if \avarname\a is a name reference.]"
"[+-S \afile\a?True if \afile\a exists and is a socket.]"
#if SHOPT_FS_3D
"[+-V \afile\a?True if \afile\a exists and is a version "
"directory.]"
#endif /* SHOPT_FS_3D */
"}"
"[+?Binary expressions can be one of the following:]{"
"[+\astring1\a = \astring2\a?True if \astring1\a is equal to "
"\astring2\a.]"
"[+\astring1\a == \astring2\a?True if \astring1\a is equal to "
"\astring2\a.]"
"[+\astring1\a != \astring2\a?True if \astring1\a is not equal to "
"\astring2\a.]"
"[+\anum1\a -eq \anum2\a?True if numerical value of \anum1\a is "
"equal to \anum2\a.]"
"[+\anum1\a -ne \anum2\a?True if numerical value of \anum1\a is not "
"equal to \anum2\a.]"
"[+\anum1\a -lt \anum2\a?True if numerical value of \anum1\a is less "
"than \anum2\a.]"
"[+\anum1\a -le \anum2\a?True if numerical value of \anum1\a is less "
"than or equal to \anum2\a.]"
"[+\anum1\a -gt \anum2\a?True if numerical value of \anum1\a is "
"greater than \anum2\a.]"
"[+\anum1\a -ge \anum2\a?True if numerical value of \anum1\a is "
"greater than or equal to \anum2\a.]"
"[+\afile1\a -nt \afile2\a?True if \afile1\a is newer than \afile2\a "
"or \afile2\a does not exist.]"
"[+\afile1\a -ot \afile2\a?True if \afile1\a is older than \afile2\a "
"or \afile2\a does not exist.]"
"[+\afile1\a -ef \afile2\a?True if \afile1\a is another name for "
"\afile2\a. This will be true if \afile1\a is a hard link "
"or a symbolic link to \afile2\a.]"
"}"
"\n"
"\n[expression]\n"
"\n"
"[+EXIT STATUS?]{"
"[+0?Indicates that the specified expression is True.]"
"[+1?Indicates that the specified expression is False.]"
"[+>1?An error occurred.]"
"}"
"[+SEE ALSO?\blet\b(1), \bexpr\b(1)]"
;
const char test_opchars[] = "HLNRSVOGCaeohrwxdcbfugkv"
#if SHOPT_TEST_L
"l"
#endif
"psnzt";
const char e_argument[] = "argument expected";
const char e_missing[] = "%s missing";
const char e_badop[] = "%s: unknown operator";
const char e_tstbegin[] = "[[ ! ";
const char e_tstend[] = " ]]\n";
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