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2016-11-30 09:03:17 +08:00

18 lines
489 B
Awk
Executable File

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