The code in my Zsh #!/bin/zsh q=$1 open http://mathworld.wolfram.com/$q.html I put the input to

Question

Asked: May 11, 20262026-05-11T17:04:27+00:00 2026-05-11T17:04:27+00:00

The code in my Zsh

#!/bin/zsh
q=$1

open "http://mathworld.wolfram.com/$q.html"

I put the input to the app

triangle

I get an error at Wolfram, since the first letter must be a big one.

How can you change the case for the first letter in the variable q?

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Editorial Team · Answer 1 · 2026-05-11T17:04:27+00:00

Editorial Team

# q=triangle
# echo ${(C)q}
Triangle

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