1 line
90 B
Awk
1 line
90 B
Awk
gawk 'BEGINFILE{if (ERRNO) {print "Not exist."; exit} } {print "Exist."; exit}' input.txt
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gawk 'BEGINFILE{if (ERRNO) {print "Not exist."; exit} } {print "Exist."; exit}' input.txt
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