grep_usage
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grep_usage [2021/02/27 02:38] – [repeat previous character N times] raju | grep_usage [2023/08/11 14:40] – [dummy] raju | ||
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+ | ==== dummy ==== | ||
+ | * [[Remove lines with duplicate letters]] | ||
+ | * [[grep on find results]] | ||
+ | |||
==== wordscapes ==== | ==== wordscapes ==== | ||
+ | tags | word scape, wordscape | ||
< | < | ||
% grep -i " | % grep -i " | ||
Line 5: | Line 10: | ||
sells | sells | ||
</ | </ | ||
+ | |||
+ | Remove lines with duplicate letters | ||
+ | < | ||
+ | % grep -i " | ||
+ | ... | ||
+ | shire | ||
+ | shirk | ||
+ | skier | ||
+ | </ | ||
+ | |||
+ | compare this with | ||
+ | < | ||
+ | % grep -i " | ||
+ | ... | ||
+ | shire | ||
+ | shirk | ||
+ | shirr | ||
+ | sires | ||
+ | sises | ||
+ | skier | ||
+ | skies | ||
+ | </ | ||
+ | which also shows words where some letters are repeated twice. | ||
==== repeat previous character N times ==== | ==== repeat previous character N times ==== | ||
Line 22: | Line 50: | ||
niche | niche | ||
niece | niece | ||
+ | </ | ||
+ | |||
+ | Another example: | ||
+ | < | ||
+ | % grep -Ei " | ||
+ | unused | ||
</ | </ | ||
grep_usage.txt · Last modified: 2023/09/07 21:03 by raju