Tagged Questions
1
vote
3answers
63 views
Can I “export” functions in bash?
source some_file
some_file:
doit ()
{
echo doit $1
}
export TEST=true
If I source some_file the function "doit" and the variable TEST are available on the command line. But running this script:
...
3
votes
3answers
94 views
How to pass a string parameter on bash function?
I have this code that does work:
get_parameter ()
{
echo "$query" | sed -n 's/^.*name=\([^&]*\).*$/\1/p' | sed "s/%20/ /g"
}
But I want to replace the "name" with the parameter that I pass ...
3
votes
2answers
78 views
Combine two commands in .bash_profile
In my .bash_profile file, I'd like to setup a single command alias that is two commands that execute one after another. The first command takes an argument from the command line and the second is ...
2
votes
3answers
87 views
Prefix every argument with -o in BASH
How do I prefix -p to every argument passed to my function?
Modifying the arguments themselves and creating a new array are both fine.
4
votes
4answers
150 views
Is it possible to source a file in bash, but skipping specific functions?
Suppose I have bash_functions.sh:
function test(){
}
function test2(){
}
And in my ~/.bashrc I do:
source ~/bash_functions.sh
Is it possible to, when sourcing it, avoid sourcing a specific ...
1
vote
3answers
254 views
alias or bash function does not work
When I create
alias wd='ps -ef | grep java | awk {'print $2 " " $9'} | egrep "(A|B|C|D)"'
or
function wd () {
ps -ef | grep java | awk '{print $2}' ...
}
in my .bashrc file, I get errors. ...
1
vote
4answers
452 views
how can i use sudo within a function?
i have written a function which acts in a similar way to tee but also pre-pends a datestamp. everything works fine except when i want to output to a file which is only root writeable (in my case a ...
2
votes
4answers
179 views
How to make functions created in a bash script persist like those in .bashrc?
My .bashrc was getting a little long, so I decided to break it up into smaller files according to topic and then call these files from within .bashrc as so
#my long .bashrc file
bash .topic1rc
bash ...
2
votes
2answers
270 views
Passing a variable to a bash script when sourcing it in another bash script?
Suppose I have in main.sh:
NAME="$HOME"
if [ -f "$HOME/install.sh" ]
then
. "$HOME/install.sh" "$NAME"
fi
and in install.sh:
echo $1
This is supposed to echo /home/user/, but it echoes ...
6
votes
1answer
330 views
bash functions vs scripts
This site says, "Shell functions are faster [than aliases]. Aliases are looked up after functions and thus resolving is slower. While aliases are easier to understand, shell functions are preferred ...
