93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
#include <stdio.h>
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#ifdef READLINE_LIBRARY
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# include "history.h"
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#else
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# include <readline/history.h>
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#endif
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main (argc, argv)
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int argc;
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char **argv;
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{
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char line[1024], *t;
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int len, done = 0;
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line[0] = 0;
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using_history ();
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while (!done)
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{
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printf ("history$ ");
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fflush (stdout);
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t = fgets (line, sizeof (line) - 1, stdin);
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if (t && *t)
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{
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len = strlen (t);
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if (t[len - 1] == '\n')
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t[len - 1] = '\0';
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}
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if (!t)
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strcpy (line, "quit");
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if (line[0])
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{
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char *expansion;
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int result;
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using_history ();
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result = history_expand (line, &expansion);
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if (result)
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fprintf (stderr, "%s\n", expansion);
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if (result < 0 || result == 2)
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{
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free (expansion);
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continue;
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}
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add_history (expansion);
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strncpy (line, expansion, sizeof (line) - 1);
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free (expansion);
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}
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if (strcmp (line, "quit") == 0)
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done = 1;
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else if (strcmp (line, "save") == 0)
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write_history ("history_file");
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else if (strcmp (line, "read") == 0)
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read_history ("history_file");
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else if (strcmp (line, "list") == 0)
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{
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register HIST_ENTRY **the_list;
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register int i;
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the_list = history_list ();
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if (the_list)
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for (i = 0; the_list[i]; i++)
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printf ("%d: %s\n", i + history_base, the_list[i]->line);
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}
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else if (strncmp (line, "delete", 6) == 0)
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{
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int which;
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if ((sscanf (line + 6, "%d", &which)) == 1)
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{
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HIST_ENTRY *entry = remove_history (which);
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if (!entry)
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fprintf (stderr, "No such entry %d\n", which);
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else
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{
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free (entry->line);
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free (entry);
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}
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}
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else
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{
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fprintf (stderr, "non-numeric arg given to `delete'\n");
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}
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}
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}
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}
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