Questions tagged [brace-expansion]

Question 1

I have a script which is supposed to fetch 2 URLs sequentially: #!/bin/bash wget_command='wget --restrict-file-names=unix https://www.example.com/{path1,path2}/' $($wget_command) echo $wget_command ...

Question 2

Suppose I have the following directory structure: folder/ aaa/ f.txt bbb/ f.txt I want to compare the file f.txt as it is common to both directories. So in zsh I type this: % diff folder/{...

Question 3

I am using linux and the following version of the bash: GNU bash, version 5.1.16(1)-release (x86_64-pc-linux-gnu) When I type: echo file{[1,2],3}.txt I expect brace expansion to be done first, so: ...

Question 4

I want to download all files named ${n}x${n} from a directory on a website with wget2 on zsh, where n is the same number value both times, with n from 1 to 6000. I've found that specifying all the ...

Question 5

Consider the following example: $ echo file_{a,b,c} file_a file_b file_c # brace expansion worked :) $ export VARIABLE=file_{a,b,c} $ echo $VARIABLE file_c # brace ...

Question 6

After seeing the reactions on Stack Overflow on this question and an unfamiliarity with qsub, I believe thqt U&L is better suited for this question. In qsub, we can pass environment variables (a ...

Question 7

I just learned about brace expansion and hoped I could make use of them to launch the same C++ program with different command line arguments. My code is run like this from the terminal: mpirun -n 1 ...

Question 8

#!/bin/bash myfirstarray=(1 3 5 7 9 11) for i in {2..4} do for j in {1..${myfirstarray[$((i-1))]}} do echo ${j} done done In the code above the range of the ...

Question 9

This is the output of tree: [xyz@localhost Semester1]$ tree . ├── Eng ├── IT ├── IT_workshop ├── LA ├── OS ├── OS_lab ├── Psy ├── Python └── Python_lab 9 directories, 0 files I want to create 3 ...

Question 10

I have this function: cyan=`tput setaf 6` reset=`tput sgr0` function Info() { echo "${cyan}$1${reset}" } And I use it in my other scripts as simple as Info some message. However, when I ...

Question 11

Say I have two possible paths I want to list directories and files under on a Linux machine: /some/path1/ /some/path2/ If I do the following in tcsh, I get 0 exit code, if at least one of path1 or ...

Question 12

I want to store node1 node2 node3 in a variable so that it may be used as an input to other scripts. However, I want to do so by using brace expansion given by bash like so: node{1..3} I tried to have ...

Question 13

I would like to use Bash brace expansion and get the final result quoted between double quotes: I managed to get that result only by using seq as follows: echo '"'$(seq 1 5)'"'; output (...

Question 14

{txtfile,index}{1..3}.{txt,html} I want {txtfile,index} to correspond with {txt,html} to produce: txtfile1.txt txtfile2.txt txtfile3.txt index1.html index2.html index3.html but this code will generate ...

Question 15

Example: $ eval echo "{x,y,z}\ --opt\; " x --opt; y --opt; z --opt; Assume that the 2nd list is {1,2,3} and its length is equal to the length of the 1st (initial) list. Questions: How to ...

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Questions tagged [brace-expansion]

bash subshell execution behaves unexpectedly [duplicate]

zsh - autocomplete with braces in the middle of a directory

Why does bash give the following result after brace expansion?

Repeating zsh brace expansion values in zsh to download multiple files using wget2

Bash brace expansion doesn't work in an export statement

Pass a variable that contains a comma as a -v option to qsub

Brace expansion to run program multiple times with different arguments

Bash - for range no longer works as wanted when one of the ends is a variable [duplicate]

Why am I not able to use * with touch in path? [duplicate]

How to preserve parameter expansion passed to a function?

Avoiding non-zero exit code when running `ls` using multiple patterns

Store expanded array in a variable using a brace expansion

Is it possible to get the entire result of bash brace expansion between double quotes?

brace expansion together with non permuting lists {txtfile,index}{1..3}.{txt,html} I want `{txtfile,index}` to correspond with `{txt,html}`

bash brace expansion: is it possible to associate another list(s) with the initial list?

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