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I've just noticed that the same code for for loop in bash doesn't work in FreeBSD

wolf@linux:~$ echo $SHELL
/bin/bash
wolf@linux:~$ 

wolf@linux:~$ for i in {1..3}; do echo $i; done
1
2
3
wolf@linux:~$

Is there any alternative for this?

[2.5.0-RELEASE][admin@pfSense]/root: echo $SHELL
/etc/rc.initial
[2.5.0-RELEASE][admin@pfSense]/root: 

[2.5.0-RELEASE][admin@pfSense]/root: for i in {1..3}; do echo $i; done
for: Command not found.
i: Undefined variable.
[2.5.0-RELEASE][admin@pfSense]/root:
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  • 4
    I think you're in a tcsh shell. Run sh to get a more familiar shell (probably not bash, and may not understand brace expansions, but would be able to do for loops). You could try starting bash too, but I have no clue if it's included in the pfsense distribution. This is not a real answer as I have no way of testing it.
    – Kusalananda ♦
    Mar 7 at 12:20
  • Yeah, sh is working, but it can't expand the brace expansions and print it out literally # for i in {1,3}; do echo $i; done {1,3} #
    – Wolf
    Mar 7 at 12:45
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    Writing 1 2 3 instead of {1..3} requires one less key-press.
    – Kusalananda ♦
    Mar 7 at 12:52
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If you want to work with the configuration it is probably better to get used to and learn pfsense PHP Shell

As @Kusalananda writes: It looks like you are in tcsh. If you want to use bash you need to install it first:

pkg install bash
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