代码:
UNIX
|
SED
-------------+----------------------------------------------------------------
cat
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sed ':'
cat -s
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sed '/./,/^$/!d'
tac
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sed '1!G;h;$!d'
grep
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sed '/patt/!d'
grep -v
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sed '/patt/d'
head
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sed '10q'
head -1
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sed 'q'
tail
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sed -e ':a' -e '$q;N;11,$D;ba'
tail -1
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sed '$!d'
tail -f
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sed -u '/./!d'
cut -c 10
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sed 's/\(.\)\{10\}.*/\1/'
cut -d: -f4
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sed 's/\(\([^:]*\):\)\{4\}.*/\2/'
tr A-Z a-z
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sed 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'
tr a-z A-Z
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sed 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'
tr -s ' '
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sed 's/ \+/ /g'
tr -d '\012' |
sed 'H;$!d;g;s/\n//g'
wc -l
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sed -n '$='
uniq
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sed 'N;/^\(.*\)\n\1$/!P;D'
rev
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sed '/\n/!G;s/\(.\)\(.*\n\)/&\2\1/;//D;s/.//'
basename
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sed 's,.*/,,'
dirname
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sed 's,[^/]*$,,'
xargs
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sed -e ':a' -e '$!N;s/\n/ /;ta'
paste -sd:
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sed -e ':a' -e '$!N;s/\n/:/;ta'
cat -n
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sed '=' | sed '$!N;s/\n/ /'
grep -n
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sed -n '/patt/{=;p;}' | sed '$!N;s/\n/:/'
cp orig new|
sed 'w new' orig
