3 ms·
Not really important but: `cat /dev/urandom | tr -dc '0-9' | fold -w 7 | head -n 1` Can be accomplished in two steps instead of 4: `tr -dc '0-9' < /dev/urand
by jitteriest 6y ago
Not really important but:
`cat /dev/urandom | tr -dc '0-9' | fold -w 7 | head -n 1`
Can be accomplished in two steps instead of 4:
`tr -dc '0-9' < /dev/urandom | head -c 7`
- gshubert17 6y agoWhen I tried either of these, on my macOS, I got tr: Illegal byte sequence which I got around by changing the locale: ( export LC_ALL=C; tr -dc '0-9' < /dev/urandom | head -c 7 ) with help from: https://unix.stackexchange.com/questions/141420/tr-complains-of-illegal-byte-sequence https://unix.stackexchange.com/questions/141420/tr-complains...