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author | dd <dd@FreeBSD.org> | 2001-07-15 07:53:42 +0000 |
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committer | dd <dd@FreeBSD.org> | 2001-07-15 07:53:42 +0000 |
commit | a145482cf625d5f04072fd1d20b5c2062cbe8e47 (patch) | |
tree | d6c008b8ae357e7c4c800baa477713b82a6ee2f2 /bin/expr | |
parent | 0d7bb1fec635c87e914e57048716adc5a87cfe22 (diff) | |
download | FreeBSD-src-a145482cf625d5f04072fd1d20b5c2062cbe8e47.zip FreeBSD-src-a145482cf625d5f04072fd1d20b5c2062cbe8e47.tar.gz |
Remove whitespace at EOL.
Diffstat (limited to 'bin/expr')
-rw-r--r-- | bin/expr/expr.1 | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/bin/expr/expr.1 b/bin/expr/expr.1 index 523cd1f..9da5269 100644 --- a/bin/expr/expr.1 +++ b/bin/expr/expr.1 @@ -42,7 +42,7 @@ .Sh DESCRIPTION The .Nm -utility evaluates +utility evaluates .Ar expression and writes the result on standard output. .Pp @@ -55,8 +55,8 @@ Operators are listed below in order of increasing precedence. Operators with equal precedence are grouped within { } symbols. .Bl -tag -width indent .It Ar expr1 Li | Ar expr2 -Return the evaluation of -.Ar expr1 +Return the evaluation of +.Ar expr1 if it is neither an empty string nor zero; otherwise, returns the evaluation of .Ar expr2 . @@ -66,7 +66,7 @@ Return the evaluation of if neither expression evaluates to an empty string or zero; otherwise, returns zero. .It Ar expr1 Li "{=, >, >=, <, <=, !=}" Ar expr2 -Return the results of integer comparison if both arguments are integers; +Return the results of integer comparison if both arguments are integers; otherwise, returns the results of string comparison using the locale-specific collation sequence. The result of each comparison is 1 if the specified relation is true, @@ -76,23 +76,23 @@ Return the results of addition or subtraction of integer-valued arguments. .It Ar expr1 Li "{*, /, %}" Ar expr2 Return the results of multiplication, integer division, or remainder of integer-valued arguments. .It Ar expr1 Li : Ar expr2 -The +The .Dq \&: -operator matches -.Ar expr1 -against +operator matches +.Ar expr1 +against .Ar expr2 , which must be a regular expression. The regular expression is anchored -to the beginning of the string with an implicit +to the beginning of the string with an implicit .Dq ^ . .Pp If the match succeeds and the pattern contains at least one regular -expression subexpression -.Dq "\e(...\e)" , -the string corresponding to +expression subexpression +.Dq "\e(...\e)" , +the string corresponding to .Dq "\e1" is returned; -otherwise the matching operator returns the number of characters matched. +otherwise the matching operator returns the number of characters matched. If the match fails and the pattern contains a regular expression subexpression the null string is returned; otherwise 0. @@ -101,7 +101,7 @@ otherwise 0. Parentheses are used for grouping in the usual manner. .Sh EXAMPLES .Bl -enum -.It +.It The following example adds one to the variable a. .Dl a=`expr $a + 1` .It |