Mirrors/Bash-Oneliner
2
0
Fork 0
mirror of https://github.com/onceupon/Bash-Oneliner synced 2024-11-26 06:30:17 +00:00
Code Issues Projects Releases Packages Wiki Activity

add to "variable" section

Browse source 
eval command to expand and execute variables
This commit is contained in:
Bonnie I-Man Ng 2019-07-10 16:40:14 +08:00 committed by GitHub
parent 0f1f62f507
commit 055bbc8790
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
README.md
View file

@ -987,6 +987,14 @@ echo ${var,,}
helloworld
```
##### Expand and then execute variable/argument
```bash
cmd="bar=foo"
eval "$cmd"
echo "$bar" # foo
```
## Math
[[back to top](#handy-bash-one-liners)]
##### Arithmetic Expansion in Bash (Operators: +, -, *, /, %, etc)