This is already handled correctly (per POSIX) below:
When the synopsis form with -s is used:
If first is omitted, the previous command shall be used.
For the synopsis forms without -s:
If first and last are both omitted, the previous 16 commands
shall be listed or the previous single command shall be edited
(based on the -l option).
Test log:
$ ls
autogen.sh ChangeLog ...
$ id
uid=1000(nabijaczleweli) gid=100(users) groups=100(users)
$ who
nabijaczleweli pts/2 2023-02-07 18:36 (192.168.1.109)
$ fc
4
,
who
q
nabijaczleweli pts/2 2023-02-07 18:36 (192.168.1.109)
$ fc -l
1 ls
2 id
3 who
4 fc
$ fc -s
fc -l
1 ls
2 id
3 who
4 fc
5 fc -l
Reported-by: Harald van Dijk <harald@xxxxxxxxxxx>
Reported-in: https://marc.info/?l=dash&m=154707728009743&w=2
---
src/histedit.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/src/histedit.c b/src/histedit.c
index 24631ca..f10e5ab 100644
--- a/src/histedit.c
+++ b/src/histedit.c
@@ -212,9 +212,6 @@ histcmd(int argc, char **argv)
if (hist == NULL)
sh_error("history not active");
- if (argc == 1)
- sh_error("missing history argument");
-
#ifdef __GLIBC__
optind = 0;
#else
--
2.30.2
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