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18 lines
489 B
Awk
18 lines
489 B
Awk
# readable.awk --- library file to skip over unreadable files
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#
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# Arnold Robbins, arnold@skeeve.com, Public Domain
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# October 2000
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# December 2010
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BEGIN {
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for (i = 1; i < ARGC; i++) {
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if (ARGV[i] ~ /^[a-zA-Z_][a-zA-Z0-9_]*=.*/ \
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|| ARGV[i] == "-" || ARGV[i] == "/dev/stdin")
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continue # assignment or standard input
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else if ((getline junk < ARGV[i]) < 0) # unreadable
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delete ARGV[i]
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else
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close(ARGV[i])
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}
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}
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