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add command [more] and some more example for command [awk]

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agxcul 2015-05-06 15:14:49 +08:00
parent 417f47f037
commit 86d1ce58a9
2 changed files with 9 additions and 0 deletions
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cheat/cheatsheets/awk
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# sum integers from a file or stdin, one integer per line:
printf '1\n2\n3\n' | awk '{ sum += $1} END {print sum}'
# using specific character as separator to sum integers from a file or stdin
printf '1:2:3' | awk -F ":" '{print $1+$2+$3}'
# print a multiplication table
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")}'

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cheat/cheatsheets/more Normal file
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# To show the file start at line number 5
more +5 file