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vi: warn about range in ':!' command

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Currently vi in Busybox doesn't support filtering text through an
external command with ':1,2!cmd'.  Instead it behaves as if no
range had been supplied and displays the output of the command.

Issue a warning and do nothing in such cases.

function                                             old     new   delta
colon                                               3993    4010     +17

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2025-09-24 05:45:33 +02:00
parent f5e1bf966b
commit 9443b0bc5e
1 changed files with 4 additions and 0 deletions
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4
editors/vi.c
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@ -2951,6 +2951,10 @@ static void colon(char *buf)
else if (cmd[0] == '!') { // run a cmd
int retcode;
// :!ls run the <cmd>
if (GOT_ADDRESS) {
status_line_bold("Range not allowed");
goto ret;
}
exp = expand_args(buf + 1);
if (exp == NULL)
goto ret;