36 lines
836 B
Awk
36 lines
836 B
Awk
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#!/run/current-system/profile/bin/awk -f
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BEGIN {
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FS = "[ ]"; # use a single space as field separator and don't trim input
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ind = 0; # indentation level
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last = ARGC - 3; # last argument index
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exitcode = 1; # whether anything has been matched
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if(last < 0) { # there should be at least one argument after the filename
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exit 1;
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}
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ARGC = 2; # don't read ARGV[2] and onward as files
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}
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END {
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exit exitcode;
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}
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$0 != "" { # exit when the indentation block is exited
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for(i = 0; i < ind; i++) {
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if(! sub(/^\t/, "")) {
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exit exitcode;
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}
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}
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}
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# if on the last argument, interpret it as a key and print the value
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ind == last && $1 == ARGV[ind + 2] {
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exitcode = 0;
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print substr($0, length($1) + 2);
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}
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# if not on the last argument, find the string exactly and increment indentation
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ind != last && $0 == ARGV[ind + 2] {
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ind++;
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}
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