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The old fmt(1) always did what the new ``-l 8'' option does.

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POLA: Changed the default to ``-l 8'' while still providing
a way to disable this feature with ``-l 0''.

PR:		bin/29247
Reviewed by:	iedowse
This commit is contained in:
Ruslan Ermilov 2001-08-15 14:53:55 +00:00
parent 11384533ea
commit ccb8bea4f0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=81701
2 changed files with 16 additions and 2 deletions
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5
usr.bin/fmt/fmt.1
View File

@ -115,8 +115,13 @@ escaped to protect them from your shell.
.It Fl l Ar number
Replace multiple spaces with tabs at the start of each output
line, if possible.
Each
.Ar number
spaces will be replaced with one tab.
The default is 8.
If
.Ar number
is 0, spaces are preserved.
.It Fl t Ar number
Assume that the input files' tabs assume
.Ar number

13
usr.bin/fmt/fmt.c
View File

@ -202,6 +202,15 @@ get_positive(const char *s, const char *err_mess, int fussyP) {
return (size_t) result;
}
static size_t
get_nonnegative(const char *s, const char *err_mess, int fussyP) {
char *t;
long result = strtol(s,&t,0);
if (*t) { if (fussyP) goto Lose; else return 0; }
if (result<0) { Lose: errx(EX_USAGE, "%s", err_mess); }
return (size_t) result;
}
/* Global variables */
static int centerP=0; /* Try to center lines? */
@ -210,7 +219,7 @@ static size_t max_length=0; /* Maximum length for output lines */
static int coalesce_spaces_P=0; /* Coalesce multiple whitespace -> ' ' ? */
static int allow_indented_paragraphs=0; /* Can first line have diff. ind.? */
static int tab_width=8; /* Number of spaces per tab stop */
static size_t output_tab_width=0; /* Ditto, when squashing leading spaces */
static size_t output_tab_width=8; /* Ditto, when squashing leading spaces */
static const char *sentence_enders=".?!"; /* Double-space after these */
static int grok_mail_headers=0; /* treat embedded mail headers magically? */
@ -258,7 +267,7 @@ main(int argc, char *argv[]) {
continue;
case 'l':
output_tab_width
= get_positive(optarg, "output tab width must be positive", 1);
= get_nonnegative(optarg, "output tab width must be non-negative", 1);
continue;
case 'm':
grok_mail_headers = 1;