Query: nl
OS: hpux
Section: 1
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
nl(1) General Commands Manual nl(1)NAMEnl - line numbering filterSYNOPSIStype] type] type] start#] incr] sep] width] format] num] delim] [file]DESCRIPTIONreads lines from the named file or the standard input if no file is named and reproduces the lines on the standard output. Lines are num- bered on the left in accordance with the command options in effect. views the text it reads in terms of logical pages. Line numbering is reset at the start of each logical page. A logical page consists of a header, a body, and a footer section. Empty sections are valid. Different line numbering options are independently available for header, body, and footer (e.g., no numbering of header and footer lines while numbering blank lines only in the body). The start of logical page sections are signaled by input lines containing nothing but the following delimiter character(s): | Line contents | Start of --------------+---------- ::: | header :: | body : | footer Unless told otherwise, assumes the text being read is in a single logical page body. Command options can appear in any order and can be intermingled with an optional file name. Only one file can be named. recognizes the following options: Specifies which logical page body lines are to be numbered. Recognized types and their meanings are: number all lines; number lines with printable text only; no line numbering; number only lines that contain the regular expression specified in string. Basic Regular Expression syntax is supported (see regexp(5)). The default type for logical page body is (text lines numbered). Same as except for header. Default type for logical page header is (no lines numbered). Same as except for footer. Default for logical page footer is (no lines numbered). Do not restart numbering at logical page delimiters. start# is the initial value used to number logical page lines. Default is incr is the increment value used to number logical page lines. Default is sep is the character or characters used in separating the line number and the corresponding text line. Default sep is a tab. width is the number of character columns to be used for the line number. Default width is format is the line numbering format. Recognized values are: left justified, leading zeroes suppressed; right justified, leading zeroes suppressed; right justified, leading zeroes kept. Default format is (right justified). num is the number of consecutive blank lines to be treated and numbered as a single line. For example, results in every third adjacent blank line being numbered if the appropriate and/or option is set. Default is The delimiter characters specifying the start of a logical page section can be changed from the default characters to two user-specified characters. If only one character is entered, the second character remains the default character No space should appear between the and the delimiter characters, how- ever, this restriction is not there for (see standards(5)) compliant To define a backslash as the delimiter, use two backslashes.EXTERNAL INFLUENCESFor information about the UNIX Standard environment, see standards(5). Environment Variables determines the collating sequence used in evaluating regular expressions. determines the characters matched by character class expressions in regular expressions. If or is not specified in the environment or is set to the empty string, the value of is used as a default for each unspecified or empty variable. If is not specified or is set to the empty string, a default of "C" (see lang(5)) is used instead of If any internationalization variable contains an invalid setting, behaves as if all internationalization variables are set to "C". See environ(5). International Code Set Support Single-byte character code sets are supported.EXAMPLESNumber starting at line number 10, using an increment of ten. The logical page delimiters are andSEE ALSOpr(1), environ(5), lang(5), regexp(5), standards(5).STANDARDS CONFORMANCEnl(1)
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