mirror of https://github.com/tLDP/LDP
37 lines
578 B
Bash
37 lines
578 B
Bash
#!/bin/bash
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# Naked variables
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echo
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# When is a variable "naked", i.e., lacking the '$' in front?
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# When it is being assigned, rather than referenced.
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# Assignment
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a=879
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echo "The value of \"a\" is $a."
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# Assignment using 'let'
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let a=16+5
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echo "The value of \"a\" is now $a."
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echo
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# In a 'for' loop (really, a type of disguised assignment):
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echo -n "Values of \"a\" in the loop are: "
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for a in 7 8 9 11
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do
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echo -n "$a "
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done
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echo
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echo
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# In a 'read' statement (also a type of assignment):
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echo -n "Enter \"a\" "
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read a
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echo "The value of \"a\" is now $a."
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echo
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exit 0
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