From: Mikael Magnusson <mikachu@gmail.com>
To: Sebastian Gniazdowski <sgniazdowski@gmail.com>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: Read file with escaped newlines into array
Date: Fri, 20 Nov 2015 02:17:01 +0100 [thread overview]
Message-ID: <CAHYJk3S7JkHmRrgCkwQjBXWs7spPWobBoypRZnbjOCysSHh9-A@mail.gmail.com> (raw)
In-Reply-To: <CAKc7PVCZzEfKkcWyPUb58ffmne6E8Eh6_CDpeLc0efd6hEQAow@mail.gmail.com>
On Thu, Nov 19, 2015 at 6:34 PM, Sebastian Gniazdowski
<sgniazdowski@gmail.com> wrote:
> Hello
> fc -W stores history to a given file. It escapes newlines with \. How
> to read such file into array and have "\^M" lines put back together
> into single array entries?
Also note that the history file is stored metafied, so even if you
take care of escaped newlines, you still would need to unmetafy it.
--
Mikael Magnusson
unmetafy.c
#define Meta ((char) 0x83)
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
/* from zsh utils.c */
char *unmetafy(char *s, int *len)
{
char *p, *t;
for (p = s; *p && *p != Meta; p++);
for (t = p; (*t = *p++);)
if (*t++ == Meta)
t[-1] = *p++ ^ 32;
if (len)
*len = t - s;
return s;
}
int main(int argc, char *argv[]) {
char *line = NULL;
size_t size;
while (getline(&line, &size, stdin) != -1) {
unmetafy(line, NULL);
printf("%s", line);
}
if (line) free(line);
return EXIT_SUCCESS;
}
prev parent reply other threads:[~2015-11-20 1:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-19 17:34 Sebastian Gniazdowski
2015-11-19 19:17 ` Bart Schaefer
2015-11-19 20:14 ` Sebastian Gniazdowski
2016-05-10 14:26 ` Sebastian Gniazdowski
2016-05-10 16:15 ` Bart Schaefer
2016-05-10 18:10 ` Sebastian Gniazdowski
2015-11-20 1:17 ` Mikael Magnusson [this message]
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