From: lilydjwg <lilydjwg@gmail.com>
To: zsh-users@zsh.org
Subject: Re: Fw: ZSH history file VS. UTF-8 data
Date: Wed, 2 Mar 2011 18:37:05 +0800 [thread overview]
Message-ID: <20110302103705.GA11422@lilydjwg.info> (raw)
In-Reply-To: <20110302094336.62001793@pwslap01u.europe.root.pri>
[-- Attachment #1: Type: text/plain, Size: 1602 bytes --]
On Wed, Mar 02, 2011 at 09:43:36AM +0000, Peter Stephenson wrote:
> I got this. I haven't investigated. Replies will need to be copied
> directly.
>
>
> Begin forwarded message:
>
> Date: Wed, 2 Mar 2011 11:49:29 +0900
> From: ıɥɔıɐʇ ɐʇɐqɐʍɐʞ <kawabata.taichi@gmail.com>
> To: <pws@csr.com>
> Subject: ZSH history file VS. UTF-8 data
>
>
> Dear sir,
>
> I'm sorry to disturb you.
>
> I've been a user of ZSH for a long time and I really
> appreciate for the developer of this great software.
>
> Recently, I've got one trouble in ZSH history file, and as I tried to
> solve it by
> surveying Webs and Sources, with no help. As of it, knowing that this
> disturbs you,
> I'm trying to ask for any help.
>
> The trouble is as follows:
>
> When I try to use UTF-8 file name in shell command, ZHS history file
> seems to save
> it with "meta code".
>
> For example, executing
> $ ls \346\226\207\345\255\227 (octal expression of "ls 文字”)
> results in histfile
> $ ls \346\203\266\203\247\2\345\255\203\267
>
> That is, when 0x80-0x9F characters are used, then always 0x83 Meta
> character is inserted and following character is bit shifted, resulting
> garbage history.
>
> Any way to avoid this situation?
>
> Any help is really appreciated,
>
I met the same problem, and had a look at the zsh source code, attached
is the C program I use to deal with this. However, I have not found an
option to turn this feature off or why the history file is encoded in
this way.
--
Best regards,
lilydjwg
Linux Vim Python 我的博客
http://lilydjwg.is-programmer.com/
[-- Attachment #2: zhist.c --]
[-- Type: text/x-csrc, Size: 1584 bytes --]
//=====================================================================
// 让 zsh 的历史记录可读
//=====================================================================
#include<unistd.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
//---------------------------------------------------------------------
void readhist();
void writehist();
void usage();
static int ismeta(unsigned char ch);
//---------------------------------------------------------------------
int main(int argc, char** argv){
if(argc == 1)
readhist();
else if(argc == 2){
if(!strcmp(argv[1], "read"))
readhist();
else if(!strcmp(argv[1], "write"))
writehist();
else
usage();
}else
usage();
return 0;
}
void readhist(){
unsigned char c, d;
int change = 0;
while(read(0, &c, 1)){
if(c != 0x83){
if(change){
d = c ^ 32;
}else
d = c;
write(1, &d, 1);
change = 0;
}else
change = 1;
}
}
void writehist(){
unsigned char c, d;
while(read(0, &c, 1)){
if(ismeta(c)){
d = 0x83;
write(1, &d, 1);
d = c ^ 32;
write(1, &d, 1);
}else
write(1, &c, 1);
}
}
void usage(){
fprintf(stderr, "Usage: zhist [read|write]\n"
"\tzhist reads from stdin and outputs to stdout, "
"with the content changes\nto be read by human being "
"or by the zsh program.\n");
exit(1);
}
static int ismeta(unsigned char ch){
return (ch > 0x83 && ch < 0x9e)
|| ch == 0xa0 || ch == 0x83 || ch == 0;
}
//=====================================================================
prev parent reply other threads:[~2011-03-02 10:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-02 9:43 Peter Stephenson
2011-03-02 10:00 ` Mikael Magnusson
2011-03-02 10:37 ` lilydjwg [this message]
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