shell 輸出100個+方法總結

python -c "print('+'*100)"

head -c 100 /dev/zero |awk 'gsub(/./,"+")'

perl -le "print(q(+)x100)"

println("+"*100)

輸出50個=的方法

echo "" | sed ':a; s/^/=/; /=\{50\}/b; ta'

sed ':a;s/^.\{0,49\}$/&=/;ta' <<<""

awk 'BEGIN{OFS="=";NF=50;print}'

awk 'BEGIN{while(n++<50)printf "=";print""}'

seq -s'a' 50 | tr -d '[0-9]'

for i in `seq 50`; do echo -n =; done

yes "=" | sed '50q' | tr -d '\n'

yes "=" | head -n 50 | tr -d "\n"

perl -le 'print "=" x 50'

python -c "print '='*50"

printf "%0050d\n" 0 | tr "0" "="

eval printf '%.0s=' {1..50}

str=$(printf "%*s" "50"); echo ${str// /=}

本文轉自 wangergui 51CTO部落格，原文連結：http://blog.51cto.com/wangergui/1926807，如需轉載請自行聯系原作者