Questions tagged [dash]
The Dash shell, a POSIX-compliant derivative of the Almquist shell used as /bin/sh in Debian, Ubuntu and other Linux distributions
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I get permission denied for a command in an sh script, but same command works from terminal
I have a service run by systemctl in RedHat 8.8. The service itself is relatively simple:
cat /etc/systemd/system/myservice.service
[Unit]
Description=My service
After=network-online.target
[Service]...
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dash script replace array
This script works if I use bash on my Debian 11 (bullseye). But now I need to refactor it to use Debian's sh shell(/bin/dash).
#!/bin/dash
var1=1
var2=2
var3=3
arr=($var1 $var2 $var3)
exist_var=&...
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2
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How do I keep a dash shell script running despite any error?
I have a dash shell script that is intended to run to the end of file:
#!/usr/bin/dash
# File b_shell
. a_nonexistent_file
echo "I want to print this line despite any previous error."
...
- 171
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How to add a substring to a string as a column
The title may not be the best at describing the issue, but this was the best I could come up with, moving on to describe what I'm trying to do, I use artix runit as my os, and it is tedious to create ...
- 23
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Anyway to bind keyboard to dash (Debian Almquist Shell)?
Specifically Up/Down for history navigation.
What I already know
I understand dash is a minimalistic, no bloat, (somewhat) strict POSIX shell.
I understand the philosophy behind it, and the reason ...
- 730
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Why is "${1-"$var"}" (option 6 down below) not mentioned in POSIX?
The only reference I could find in the spec is this:
It would be desirable to include the statement "The characters from an enclosed "${" to the matching '}' shall not be affected by ...
- 2,043
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Debian /bin/sh in a Docker container never seems to look at .profile
I can not seem to get dash to look at $HOME/.profile:
pedz@Peace:s001 ~[S:hatred] % docker exec -it hatred-web-1 dash -i
# cat $HOME/.profile
PROOF=true; export PROOF
PATH=/hatred/bin:$PATH; export ...
- 173
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Multiple commands in variable? [duplicate]
Is it possible to execute multiple commands stored in a variable?
Singe command works fine
variable="echo HELLO"
$variable
HELLO
I would like to have something like this
variable="...
user542537
7
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2
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909
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Is there a pipefail equivalent for dash?
I have a perl script that runs a system() call to execute shell commands and I would like to run more than one command and pipe data between them. Something like (in perl):
system("command1 | ...
- 245k
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Why doesn't sudo always spawn a shell sub-process?
I am trying to understand why some shells seem to receive a special treatment when called with sudo. For instance, there seem to be two possible behaviours:
The "implicit" group (pstree is a ...
- 407
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Bash for every x files create sub folder and move files there
I am looking for an alternative dash command I can use
as I am trying to execute the code from within python
and due to the fact that the sub folder has 100's of files I am am trying to group into ...
- 31
2
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0
answers
274
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how to close file descriptor bigger then 9 by dash in shell script
I want launch a shell script in code called system("sh example.sh"), and close all file descriptors like this:
for fd in $(ls /proc/$$/fd); do
case "$fd" in
0|1|2)
;;...
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Sourcing file in dash with . file gives "not found" error
I'm trying to source (bash-parlance) a file in dash using . file as specified by the man page:
. file
The commands in the specified file are read and executed by the
shell.
But I ...
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What parts of dash are not part of the POSIX standard?
I know that dash adheres quite closely to the POSIX standard, but I know that it's not 100.00% strict POSIX without any extras. The shell that comes closest/adheres exactly to the POSIX standard is as ...
- 69
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SHELLOPTS equivalent for /bin/dash
I have to run a number of shell scripts that are defined by a third party. So I cannot (or would prefer not to) change their content or which shell (bash vs. dash) they are using. They may or may not ...
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