A shell(ash) written by Kenneth Almquist and released to the comp.sources.unix Usenet news group on May 30th 1989. It has features similar to the Bourne shell(sh). Its many derivatives include the system shell on; Debian (dash), FreeBSD (sh), NetBSD (sh) and the default shell in Busybox (ash).
Questions tagged [ash]
189 questions
2
votes
1 answer
How do I use the raw_window_handle() method from winit rust crate?
I'm trying to create my first Vulkan application using Rust following adrien ben's vulkan-tutorial.
As I progressed to commit 1.2.1 I noticed he is creating the winit-window for Windows.
Because I'm developing the application on my Linux-system I…
wyxvi
- 23
- 4
2
votes
2 answers
How to change default shell of OpenWrt?
The default shell of OpenWrt is ash, but I would like to change it to fish.
When I ran chsh -s /usr/bin/fish (the absolute path of fish), it returned -ash: chsh: not found.
The I changed the first line of /etc/passwd…
KumaTea
- 504
- 5
- 17
2
votes
2 answers
reset NR in awk
cat file.txt
MNS GYPA*N
MNS GYPA*M c.59T>C;c.71A>G;c.72G>T
MNS GYPA*Mc c.71G>A;c.72T>G
MNS GYPA*Vw c.140C>T
MNS GYPA*Mg c.68C>A
MNS GYPA*Vr c.197C>A
MNS GYPB*Mta c.230C>T
MNS GYPB*Ria c.226G>A
MNS GYPB*Nya c.138T>A
MNS GYPA*Hut …
Shahin
- 1,196
- 1
- 8
- 15
2
votes
2 answers
Reset variable using shell
I use the shell script to reset variable.
#!/bin/sh
reset_var() {
while [ "$#" -gt "0" ] do
echo "\$1 is $1"
unset $1 done
}
i=50
j= 40
reset_var i j
but this it does not work!
the purpose is to reset i and j variable to 0
is there…
Anis_Stack
- 3,306
- 4
- 30
- 53
2
votes
2 answers
Dockerfile RUN shell-script not running during docker build
I try to build a custom image for the EMQ MQTT server. But the script update_config.sh is not executed by during docker copmose up.
Dockerfile:
FROM emqttd-docker-v2.3.5
# change configuration file
ADD update_config.sh…
Martin
- 818
- 9
- 20
2
votes
1 answer
What init files are sourced in ash for non-interactive, non-login shells?
I have a Docker container, which uses alpine:3.7 as base image, and as a result, uses /bin/ash as its shell.
I put the container into background running mode. My intend is that I can continually use docker exec $CONTAINER_ID at it. Thus,…
Stephen Chu
- 343
- 2
- 15
2
votes
1 answer
Read a null-terminated string from binary into variable using od in MINIX ash
Rather rookie question but I got stuck with it for a while: I have a problem to read and parse a string that is stored in hard drive at the address that I know ...
I don't know the length of the string, only it's maximum length say n. It has been…
micsza
- 789
- 1
- 9
- 16
2
votes
1 answer
How does ash files are structured?
I have a small distro (not busybox) that uses ash, and I am not sure how the dot file structure is handled. .ashrc doesnt seem to be picked up nor I see a .bash_profile analog. Is there a default convention for shell startup file?
Alexandro Colorado
- 97
- 10
2
votes
1 answer
Send value through double qoute/single qoute?
So i have a ash script that send command to device via telnet
The command look like this.
echo 'dofile("lcdprint.lua").lcdprint("date")' | telnet 192.168.1.23 23
I want the output date like this
Tue Jul 12 17:10:51 WIB 2016
But instead of above…
Andika Trisna Adhi
- 55
- 1
- 7
2
votes
1 answer
Busybox: emulate line editing for read shell's built-in
I need to develop a simple text interface for an embedded system with more or less only the Busybox installed on it.
For my purposes the read shell built-in would have sufficed. But the Busybox ash (or any other shell, they use the same code for the…
Dummy00001
- 16,630
- 5
- 41
- 63
2
votes
2 answers
Assign job count number to variable (POSIX-Shell)
Opening 3 jobs in ash with i.e.
sh & sh & sh &
and counting this jobs with i.e.
jobs -p | wc -l
shows
3
which is OK.
But trying to assign this job count to a variable with
JOBNR=$(jobs -p | wc -l)
and printing this variable with
echo…
deetee
- 75
- 1
- 7
2
votes
3 answers
How to remove white spaces (\t, \n, \r, space) form the beginning and the end of a string in shell?
I want to remove white spaces (\t, \n, \r, space) form the beginning and the end of a string if they exist
How to do that?
Is it possibe to that only with expressions like ${str#*}?
MOHAMED
- 41,599
- 58
- 163
- 268
2
votes
1 answer
Provision with Vagrant on a box that uses Busybox
When I try provisioning on my Freifunk gluon node like I do it on my other debian machines:
Vagrant.configure("2") do |config|
config.vm.provision "shell", path: "bootstrap-node.sh"
end
Then I get the error:
The configured shell…
rubo77
- 19,527
- 31
- 134
- 226
2
votes
2 answers
Break from imbricated for loop
I want to know if there is a way to leave imbricated for loop:
check_mac_address() {
local mac="$1"
for wunit in `get_wunit`; do
for iuc in `get_iuc`; do
for assoc_mac in `get_iuc $wunit $iuc`;do
…
stack_A
- 713
- 4
- 13
- 21
2
votes
2 answers
how to put all command arguments in one variable
I want to execute a shell script that require 3 arguments.
The argument number 2 contains a string with space
I want to put all arguments in one variable like this:
Linux:~# kk="\"111\" \"222 222\" \"333\""
Linux:~# echo $kk
"111" "222 222"…
MOHAMED
- 41,599
- 58
- 163
- 268