[hackers] [sbase] Add mandoc-manpage for cut(1) and clean up code || FRIGN

From: <git_AT_suckless.org>
Date: Sun, 18 Jan 2015 12:22:03 +0100 (CET)

commit 2c51ba64d58ba35868c3d30cc3d98f0fb59b6791
Author: FRIGN <dev_AT_frign.de>
Date: Sun Jan 18 11:30:31 2015 +0100

    Add mandoc-manpage for cut(1) and clean up code
    
    and mark it as finished in README.

diff --git a/README b/README
index 3072baf..0ce2455 100644
--- a/README
+++ b/README
_AT_@ -21,7 +21,7 @@ The following tools are implemented (* == finished):
 * comm yes none
   cp no -H, -i, -L
 * cron non-posix none
- cut yes none
+* cut yes none
   date yes none
   dirname yes none
   du no -H, -L, -x
diff --git a/cut.1 b/cut.1
index 0e78ddd..0be731e 100644
--- a/cut.1
+++ b/cut.1
_AT_@ -1,60 +1,70 @@
-.TH CUT 1 sbase\-VERSION
-.SH NAME
-cut \- extract columns of data
-.SH SYNOPSIS
-.B cut \-b
-.I list
-.RB [ \-n ]
-.RI [ file ...]
-.br
-.B cut \-c
-.I list
-.RI [ file ...]
-.br
-.B cut \-f
-.I list
-.RB [ \-d
-.IR delim ]
-.RB [ \-s ]
-.RI [ file ...]
-.SH DESCRIPTION
-.B cut
-out bytes, characters, or delimited fields from each line of the given
-files and write to stdout. With no file, or when file is `-', cut reads
-from stdin.
-.P
-.I list
-is a comma or space separated list of numbers and ranges where numbering
-starts from 1. Ranges are on the form `N-M'. If N or M is missing, the
-beginning or end of line is assumed. Numbers and ranges may be repeated,
-overlapping, and in any order. Selected input is written in the same
-order that it is read, and is written exactly once.
-.SH OPTIONS
-.TP
-.BI \-b \ list
-The
-.I list
-specifies byte positions.
-.TP
-.BI \-c \ list
-The
-.I list
-specifies character positions.
-.TP
-.BI \-d \ delim
+.Dd January 18, 2015
+.Dt CUT 1 sbase\-VERSION
+.Sh NAME
+.Nm cut
+.Nd extract columns of data
+.Sh SYNOPSIS
+.Nm cut
+.Fl b Ar list
+.Op Fl n
+.Op Ar file ...
+.Nm cut
+.Fl c Ar list
+.Op Ar file ...
+.Nm cut
+.Fl f Ar list
+.Op Fl d Ar delim
+.Op Fl s
+.Op Ar file ...
+.Sh DESCRIPTION
+.Nm
+out bytes, characters or delimited fields from each line of
+.Ar file
+and write to stdout.
+.Pp
+If no
+.Ar file
+is given or
+.Ar file
+is '-',
+.Nm
+reads from stdin.
+.Pp
+.Ar list
+is a comma or space separated list of numbers and ranges starting
+from 1. Ranges have the form 'N-M'. If N or M is missing,
+beginning or end of line is assumed. Numbers and ranges
+may be repeated, overlapping and in any order.
+.Pp
+Selected input is written in the same order it is read
+and is written exactly once.
+.Sh OPTIONS
+.Bl -tag -width Ds
+.It Fl b Ar list | Fl c Ar list
+.Ar list
+specifies byte | character positions.
+.It Fl n
+Do not split multibyte characters. A character is written when its
+last byte is selected.
+.It Fl f Ar list
+.Ar list
+specifies field numbers. Lines not containing field
+delimiters are passed through, unless
+.Fl s
+is specified.
+.It Fl d Ar delim
 Use first byte of
-.I delim
-as field delimiter, instead of tab.
-.TP
-.BI \-f \ list
-The
-.I list
-specifies field numbers. Lines not containing field delimiters are
-passed through untouched.
-.TP
-.B \-n
-Do not split characters. A character is output if its last byte is
-selected.
-.TP
-.B \-s
+.Ar delim
+as field delimiter. Default is \et.
+.It Fl s
 Suppress lines not containing field delimiters.
+.El
+.Sh STANDARDS
+The
+.Nm
+utility is compliant with the
+.St -p1003.1-2008
+specification.
+.Pp
+The possibility of separating numbers and ranges with a space
+is an extension to that specification.
diff --git a/cut.c b/cut.c
index 99ec4ce..c14ea25 100644
--- a/cut.c
+++ b/cut.c
_AT_@ -6,14 +6,6 @@
 #include "text.h"
 #include "util.h"
 
-static void
-usage(void)
-{
- eprintf("usage: cut -b list [-n] [file...]\n"
- " cut -c list [file...]\n"
- " cut -f list [-d delim] [-s] [file...]\n");
-}
-
 typedef struct Range {
         size_t min, max;
         struct Range *next;
_AT_@ -135,6 +127,14 @@ cut(FILE *fp)
         }
 }
 
+static void
+usage(void)
+{
+ eprintf("usage: cut -b list [-n] [file ...]\n"
+ " cut -c list [file ...]\n"
+ " cut -f list [-d delim] [-s] [file ...]\n");
+}
+
 int
 main(int argc, char *argv[])
 {
_AT_@ -163,12 +163,12 @@ main(int argc, char *argv[])
         if (!mode)
                 usage();
 
- if (!argc) {
+ if (!argc)
                 cut(stdin);
- } else for (; argc--; argv++) {
- if (!strcmp(*argv, "-")) {
+ else for (; argc--; argv++) {
+ if (!strcmp(*argv, "-"))
                         cut(stdin);
- } else {
+ else {
                         if (!(fp = fopen(*argv, "r"))) {
                                 weprintf("fopen %s:", *argv);
                                 continue;
Received on Sun Jan 18 2015 - 12:22:03 CET