If you forgot your multiplication table and happen to have a terminal window opened in Linux at the time, here’s the command to use:
seq 9 | sed ‘H;g’ | awk -v RS=” ‘{for(i=1;i<=NF;i++)printf(“%dx%d=%d%s”, i, NR, i*NR, i==NR?”\n”:”\t”)}’
Same thing using perl:
|
1 |
perl -e 'print join "\n", map {$a=$_;join "\t",map {$_."x$a=".$a*$_} (1 .. $a) } (1 .. 9)' |
Here’s the output:
|
1 2 3 4 5 6 7 8 9 |
1x1=1 1x2=2 2x2=4 1x3=3 2x3=6 3x3=9 1x4=4 2x4=8 3x4=12 4x4=16 1x5=5 2x5=10 3x5=15 4x5=20 5x5=25 1x6=6 2x6=12 3x6=18 4x6=24 5x6=30 6x6=36 1x7=7 2x7=14 3x7=21 4x7=28 5x7=35 6x7=42 7x7=49 1x8=8 2x8=16 3x8=24 4x8=32 5x8=40 6x8=48 7x8=56 8x8=64 1x9=9 2x9=18 3x9=27 4x9=36 5x9=45 6x9=54 7x9=63 8x9=72 9x9=81 |
Source (in French): http://www.tux-planet.fr/afficher-les-tables-de-multiplication-en-ligne-de-commande/
Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.
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