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1
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1answer
33 views

How to enter part of a command automatically, after another command executed?

I want to create a function for grep-ing my command line history by history | grep {keyword}. And after seeing the list and choosing the command by line number ,I want to execute it by !{line_number} ...
-1
votes
1answer
21 views

Is there an analogous command to `which` for shell functions? (or how to know how an function ended being callable up in my shell)

I'm working with Virtualenv, which i found out (after a few google searches) that it creates a shell function called deactivate in my shell. By looking through the package's files i found how it does ...
11
votes
6answers
992 views

How to make the argument as optional in bash function?

In have this function with 9 arguments: SUM() { echo "The sum is $(($1+$2+$3+$4+$5+$6+$7+$8+$9))" } And I want to make the second arguments to the next(3..9) become a optional arguments. When ...
0
votes
0answers
16 views

Backup function

I am attempting to make a function that you provide it a file name, it then make a back up of the file and slaps on a time stamp to mark the file. Once it time stamps the file it prints out all files ...
-1
votes
1answer
69 views

How can I select all untagged photos in Shotwell?

I would like to be able, to select all untagged and tagged photos in Shotwell separately, so that I may tag and re-tag them. How can I do this?
3
votes
2answers
3k views

Num Lock function has changed after upgrading to UBUNTU 13.10 [duplicate]

I faced a strange function I installed ubuntu 13.10 and all the time the number pad on the right of my keyboard is typing number without pressing Num Lock and when I turn it on It does the job when ...
2
votes
2answers
331 views

Where can I put a user-defined terminal function?

I am planning to create a function that would simplify things for me. The function would be something like function lazymode() { echo "Hello World!"; } so that when I use the command lazymode in ...
1
vote
2answers
289 views

How to get original system command after overwriting it with a function?

I'm at a Hackathon right now so if someone would answer this soon, you'd be doing me a huge favor. I've written a function called ls() in my .bashrc that looks like this: ls() { if(some ...
5
votes
2answers
4k views

How to protecting cd command to deal with parentheses?

I asked here how to make cd protect spaces. Tab completion is great, but sometimes you paste the path from the clipboard so this is useful. The solution breaks with parentheses however. No matter how ...
3
votes
1answer
233 views

Saw an interesting command but can't alias it

Saw an command from this post http://askubuntu.com/a/266839/75967 that I would like to alias find {,/usr}/{,s}bin -printf '%f\0' | xargs -0 whatis | sort | less I assume the less or the | is ...
1
vote
1answer
98 views

Extending postgresql code

In postgresql source code there is a file called postgres.c precisely in /src/backend/tcop/. Inside there is a function called exec_simple_query. I want add a line that call my_function that is in ...
3
votes
0answers
96 views

When I'm on the desktop and I type anything a small window opens. What is it? [duplicate]

Possible Duplicate: What is the text box on the desktop for? When I'm on the desktop of Ubuntu, I type something and it appears in a small window in the lower right corner of the screen. ...
4
votes
2answers
77 views

How do you print/recall the definition of a function in bash

I can define and print the contents of variable called my_var like this: my_var="hello" echo $my_var but if I define: my_funct {echo "hello";} how can I recall my function's definition later on? ...
2
votes
2answers
223 views

How to bind multiple commands

We all have to use ls |more and also some other commands. So i just need info is there a way to bind multiple commands together like I want to bind ls|more together.So when i simply pass ls command ...
3
votes
2answers
150 views

Batch Starting Servers

How I can create a batch alias for bash? I need to do this: cd /somefolder bundle exec unicorn -p 3000 rackup faye.ru -s thin -E production bundle and rackup - this is 2 servers for example I ...