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grep: add -h (inverse of -H) aswell

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Hiltjo Posthuma 2014-11-16 20:03:25 +01:00 committed by sin
parent 7b8d7fb78e
commit f6552e3669
2 changed files with 9 additions and 2 deletions
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5
grep.1
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@ -3,7 +3,7 @@
grep \- search files for a pattern
.SH SYNOPSIS
.B grep
.RB [ \-EHcilnqv ]
.RB [ \-EHchilnqv ]
.RB [ \-e
.I pattern ]
.I pattern
@ -38,6 +38,9 @@ This option is most useful when multiple -e options are used to
specify multiple patterns, or when a pattern begins with a dash
(`-').
.TP
.B \-h
do not prefix each line with 'filename:' prefix.
.TP
.B \-i
matches lines case insensitively.
.TP

6
grep.c
View File

@ -16,6 +16,7 @@ static int grep(FILE *, const char *);
static int eflag = 0;
static int vflag = 0;
static int hflag = 0;
static int Hflag = 0;
static int many;
static char mode = 0;
@ -54,6 +55,9 @@ main(int argc, char *argv[])
addpattern(EARGF(usage()));
eflag = 1;
break;
case 'h':
hflag = 1;
break;
case 'c':
case 'l':
case 'n':
@ -145,7 +149,7 @@ grep(FILE *fp, const char *str)
case 'q':
exit(Match);
default:
if (many || Hflag)
if (!hflag && (many || Hflag))
printf("%s:", str);
if (mode == 'n')
printf("%ld:", n);