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@@ -0,0 +1,26 @@
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+# https://cuddly-octo-palm-tree.com/posts/2021-10-31-better-bash-functions/
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+f() (
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+ # code
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+ var1=${1:-"default value"}
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+
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+ # Always return numeric status (that's all bash supports)
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+ #
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+ # 0 == succuess
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+ # other == failure
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+
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+ echo errors and warning messages to stderr 1>&2
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+
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+ echo "string return value to stdout - var1 is $var1"
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+ return 1
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+)
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+
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+
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+f
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+echo
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+
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+f foo
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+echo
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+
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+f bar
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+echo
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+
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