mirror of https://github.com/tLDP/LDP
30 lines
954 B
Bash
30 lines
954 B
Bash
#!/bin/bash
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# script-array.sh: Loads this script into an array.
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# Inspired by an e-mail from Chris Martin (thanks!).
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script_contents=( $(cat "$0") ) # Stores contents of this script ($0)
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#+ in an array.
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for element in $(seq 0 $((${#script_contents[@]} - 1)))
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do # ${#script_contents[@]}
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#+ gives number of elements in the array.
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#
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# Question:
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# Why is seq 0 necessary?
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# Try changing it to seq 1.
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echo -n "${script_contents[$element]}"
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# List each field of this script on a single line.
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# echo -n "${script_contents[element]}" also works because of ${ ... }.
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echo -n " -- " # Use " -- " as a field separator.
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done
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echo
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exit 0
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# Exercise:
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# --------
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# Modify this script so it lists itself
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#+ in its original format,
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#+ complete with whitespace, line breaks, etc.
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