All Questions
36 questions
-1
votes
1
answer
156
views
Override tr in ~/.bashrc
I'm trying to create a function to translate words via a custom script:
function mean() {
~/scripts/translate.sh $1
}
I would prefer the function to be named tr, as it is much shorter and faster ...
- 23
3
votes
1
answer
248
views
How to overload / customize bash (or any other shell) commands handler?
When in bash some non existing command is run, corresponding error message appears:
$ non-existent-command
non-existent-command: command not found
Is it possible to customize this behavior?
I would ...
- 279
2
votes
0
answers
47
views
Can't unalias then redefine as a function in the same conditional [duplicate]
Here is a simplified implementation of an issue in my bash/zsh aliases file:
alias foobar='echo bar' # this is out of my control
if true; then
unalias foobar
echo we got inside the conditional
...
- 4,132
3
votes
1
answer
227
views
Making simple backup alias / function?
OK, so all I really want to do is backup single files as a time in the current directory with '.bak' extension.
Here is my current function that does this (jsyk, using Rocky Linux):
function backup { ...
- 93
1
vote
1
answer
290
views
How to call many shell functions from sudo?
I have a huge alias file sourced by ~/.bashrc or ~/.zshrc which contains both simple aliases and more functions for more complex stuff:
# example aliases
alias "sudo=sudo "
alias "...
- 285
0
votes
2
answers
468
views
Finding duplicate aliases and functions in a script (.bashrc etc)
This site says that functions are faster than aliases, but he rightly points out that aliases are easier to understand - when you want something very simple and do not need to consider passing ...
- 651
1
vote
2
answers
239
views
bash, pass an argument to the 'history' command
I do the following to make history more sensible (i.e. seeing when a command is run can be fairly critical when troubleshooting)
shopt -s histappend; # Append commands to the bash history (~/....
- 651
1
vote
1
answer
765
views
How to evaluate bash alias before being passed to bash function?
I have defined a test alias as:
alias testalias='python3 -c "f = open(\"/tmp/testopenfile\", \"w+\"); f.write(\"hi\n\")"'
It works fine when I run it directly ...
- 143
1
vote
1
answer
621
views
bash, "\" in an alias or function
I use Windows and Linux a lot, and sometimes I type cd\ from Windows muscle-memory, so I tried to alias that, alias cd\='cd /' but that doesn't work (presumably because \ is an the escape character in ...
- 651
26
votes
1
answer
16k
views
How to make a multiline alias in Bash?
I want to make an alias for a multiline command to call it faster then copying-pasting-executing it from a text file each time.
An example for such command is this execute-a-remote-updater command:
(
...
- 281
0
votes
1
answer
100
views
bash function to replace every occurence of text in directory and subdirectories
I found (on Google) this perfectly working line to replace every occurences in all files in my directory and subdirectories:
grep -lr previoustext | xargs sed -i 's/previoustext/newtext/g'
It works ...
- 3
0
votes
0
answers
18
views
Alias or Function for a Command [duplicate]
Sometimes (or may be all the time) an Alias and Function for a command works the same way. For example, following Alias and Function of Ping Command:
alias Pingoogle='ping -c 3 google.com && ...
- 317
0
votes
1
answer
102
views
$@ in alias inside script: is there a "local" $@?
I have aliased pushd in my bash shell as follows so that it suppresses output:
alias pushd='pushd "$@" > /dev/null'
This works fine most of the time, but I'm running into trouble now using it ...
- 103
6
votes
1
answer
563
views
Unexpected behavior of Bash script: First executes function, afterwards executes alias
When I execute the following script
#!/usr/bin/env bash
main() {
shopt -s expand_aliases
alias Hi='echo "Hi from alias"'
Hi # Should Execute the alias
\Hi # Should Execute the ...
- 2,146
0
votes
0
answers
53
views
What is the correct way to assign a function containing chained commands to an alias in .bashrc?
I wish to invoke an alias as follows:
alias_name arg0 arg1 arg2
arg0 = filename
arg1 = General string
arg2 = String representation of last command
The aim is that by calling the alias and passing ...
- 593