for loop in unix using variable
But you probably would prefer to use arrays rather than dynamic variable names as this can be seen as a bad practice and make your code ...,Now as an answer to the question in the title, for a shell with for loops taking more than one variables, you've got zsh (you seem to already be using zsh syntax ...
| 相關軟體 PuTTY 資訊 | |
|---|---|
 for loop in unix using variable 相關參考資料
bash variables in for loop range - Unix & Linux Stack Exchange
Either use another shell like zsh or ksh93 or use an alternative syntax: ... Using loops in a shell script are often an indication that you're not doing it right. https://unix.stackexchange.com echo variable name in for loop - Unix & Linux Stack Exchange
But you probably would prefer to use arrays rather than dynamic variable names as this can be seen as a bad practice and make your code ... https://unix.stackexchange.com how can we use multiple variables in single for loop in shell ...
Now as an answer to the question in the title, for a shell with for loops taking more than one variables, you've got zsh (you seem to already be using zsh syntax ... https://unix.stackexchange.com How to use variables in a bash for loop - Stack Overflow
One way is using eval : for i in $( eval echo 0..$length} ) do echo "do something right $i" done. Note what happens when you set length=;ls or ... https://stackoverflow.com HowTo: Iterate Bash For Loop Variable Range Under Unix ...
To fix this problem use three-expression bash for loops syntax which share a common heritage with the C programming language. It is characterized by a three-parameter loop control expression; consist... https://www.cyberciti.biz In bash, is it possible to use an integer variable in the loop ...
In bash, is it possible to use an integer variable in the loop control of a for loop? The first for loop (without the variable upperlim in the loop control) works fine, but the second for loop (with t... https://unix.stackexchange.com Loop Through Variables - Unix & Linux Stack Exchange
Use an array. #! /bin/bash servers=( 192.xxx.xxx.2 192.xxx.xxx.3 192.xxx.xxx.4 192.xxx.xxx.5 192.xxx.xxx.6 192.xxx.xxx.7 ) for server in ... https://unix.stackexchange.com Print variable inside loop - Unix & Linux Stack Exchange
The exit status of a for loop compound command is that of the last command executed in it¹. for cmd in true false; do "$cmd" done. Returns false ... https://unix.stackexchange.com Shell: how to use 2 variables with for condition - Unix & Linux ...
You need to use a nested for loop for i in `cat days` do for j in `cat hours` do cat file | grep "$i $j" >data-$i}-$j} done done. https://unix.stackexchange.com |