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Annotation of 43BSDReno/bin/test/test.1, revision 1.1.1.1

1.1       root        1: .\"    @(#)test.1      6.3 (Berkeley) 6/24/90
                      2: .\"
                      3: .TH TEST 1 "June 24, 1990"
                      4: .AT 3
                      5: .SH NAME
                      6: test \- condition command
                      7: .SH SYNOPSIS
                      8: .B test
                      9: expr
                     10: .SH DESCRIPTION
                     11: .I test
                     12: evaluates the expression
                     13: .IR expr ,
                     14: and if its value is true then returns zero exit status; otherwise, a
                     15: non zero exit status is returned.
                     16: .I test
                     17: returns a non zero exit if there are no arguments.
                     18: .PP
                     19: The following primitives are used to construct
                     20: .IR expr .
                     21: .TP 9n
                     22: .BR \-r " file"
                     23: true if the file exists and is readable.
                     24: .TP 
                     25: .BR \-w " file"
                     26: true if the file exists and is writable.
                     27: .TP 
                     28: .BR \-f " file"
                     29: true if the file exists and is not a directory.
                     30: .TP 
                     31: .BR \-d " file"
                     32: true if the file exists and is a directory.
                     33: .TP 
                     34: .BR \-s " file"
                     35: true if the file exists and has a size greater than zero.
                     36: .TP 
                     37: .BR \-t " [ fildes ]"
                     38: true if the open file whose file descriptor number is
                     39: .I fildes
                     40: (1 by default)
                     41: is associated with a terminal device.
                     42: .TP 
                     43: .BR \-z " s1"
                     44: true if the length of string
                     45: .I s1
                     46: is zero.
                     47: .TP 
                     48: .BR \-n " s1"
                     49: true if the length of the string
                     50: .I s1
                     51: is nonzero.
                     52: .TP 
                     53: .RB s1 " = " s2
                     54: true
                     55: if the strings
                     56: .I s1
                     57: and
                     58: .I s2
                     59: are equal.
                     60: .TP 
                     61: .RB s1 " != " s2
                     62: true
                     63: if the strings
                     64: .I s1
                     65: and
                     66: .I s2
                     67: are not equal.
                     68: .TP 
                     69: s1
                     70: true if
                     71: .I s1
                     72: is not the null string.
                     73: .TP 
                     74: .RB n1 " \-eq " n2
                     75: true if the integers
                     76: .I n1
                     77: and
                     78: .I n2
                     79: are algebraically equal.
                     80: Any of the comparisons
                     81: .BR \-ne ,
                     82: .BR \-gt ,
                     83: .BR \-ge ,
                     84: .BR \-lt ,
                     85: or
                     86: .BR \-le
                     87: may be used in place of
                     88: .BR \-eq .
                     89: .PP
                     90: These primaries may be combined with the
                     91: following operators:
                     92: .TP 
                     93: .B  !
                     94: unary negation operator
                     95: .TP 
                     96: .B  \-a
                     97: binary
                     98: .I and
                     99: operator
                    100: .TP 
                    101: .B  \-o
                    102: binary
                    103: .I or
                    104: operator
                    105: .TP 
                    106: .BR "( " "expr" " )"
                    107: parentheses for grouping.
                    108: .PP
                    109: .B \-a
                    110: has higher precedence than
                    111: .B \-o.
                    112: Notice that all the operators and flags are separate
                    113: arguments to
                    114: .IR test .
                    115: Notice also that parentheses are meaningful
                    116: to the Shell and must be escaped.
                    117: .SH "SEE ALSO"
                    118: sh(1), find(1)

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