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implement duplicate ignoring in the history, also requested by asarch,

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and wanted by me for a while
This commit is contained in:
tg 2008-09-30 17:58:49 +00:00
parent f53a8196e4
commit 563d4b5b19
1 changed files with 10 additions and 3 deletions
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13
lex.c
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@ -2,7 +2,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.68 2008/09/30 17:49:26 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.69 2008/09/30 17:58:49 tg Exp $");
/*
* states while lexing word
@ -1242,8 +1242,15 @@ getsc_line(Source *s)
} else if (interactive) {
char *p = Xstring(s->xs, xp);
if (*p && (cur_prompt != PS1 || !ctype(*p, C_IFS | C_IFSWS))) {
s->line++;
histsave(s->line, s->str, true);
if ((p = strchr(p, '\n')) != NULL)
*p = '\0';
/* ignore dups */
if (strcmp(s->str, *histptr)) {
s->line++;
histsave(s->line, s->str, true);
}
if (p != NULL)
*p = '\n';
}
}
if (interactive)