37 lines
831 B
Bash
Executable File
37 lines
831 B
Bash
Executable File
#!/bin/bash
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#-------------------------------------------------------------------------------
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# Example 1 for Bash Tips show 16: the difference between '*' and '@' as array
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# subscripts
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#-------------------------------------------------------------------------------
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#
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# Initialise an array
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#
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declare -a words
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#
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# Populate the array. Omit capitalised words and the weird possessives.
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# [Note: there are better ways of populating arrays as we'll see in a later
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# show]
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#
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for word in $(grep -E -v "(^[A-Z]|'s$)" /usr/share/dict/words | shuf -n 5); do
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words+=( "$word" )
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done
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#
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# Report the array using '*' as the index
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#
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echo 'Using "${words[*]}"'
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for word in "${words[*]}"; do
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echo "$word"
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done
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#
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# Report the array using '@' as the index
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#
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echo 'Using "${words[@]}"'
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for word in "${words[@]}"; do
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echo "$word"
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done
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