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Results tagged with shell
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user 605055
The shell is Unix's command-line interface. You can type commands in a shell interactively, or write scripts to automate tasks. Use this tag for questions applying to /bin/sh and most compatible shells (ash, bash, ksh, zsh, …). For shell scripts with errors, please check them in http://shellcheck.net before posting here.
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Dynamics between parameter expansion and arithmetic expansion in echo $a$((a=2))$a
Shell is: GNU bash, version 5.1.16(1)-release (x86_64-pc-linux-gnu)
I'm considering the following command line:
a=1; echo $a$((a=2))$a
The output is:
122
I deduct that the expansion is processed in the … If my understand is correct, that processing order means that the shell circles back to parameter expansion after having proceeded to arithmetic expansion. …
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