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grep_usage [2023/08/11 13:59] – [wordscapes] rajugrep_usage [2023/08/17 14:37] – [wordscapes] raju
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 ==== dummy ==== ==== dummy ====
 +  * [[Remove lines with duplicate letters]]
   * [[grep on find results]]   * [[grep on find results]]
  
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 Remove lines with duplicate letters Remove lines with duplicate letters
 <code> <code>
- % grep -i "^[hikers][hikers][hikers][hikers][hikers]$" /usr/share/dict/american-english | grep -vi '\(.\).*\1'+ % grep -Ei "^[hikers]{5}$" /usr/share/dict/american-english | grep -Eiv "(.).*\1"
 ... ...
 shire shire
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 compare this with compare this with
 <code> <code>
- % grep -i "^[hikers][hikers][hikers][hikers][hikers]$" /usr/share/dict/american-english+ % grep -Ei "^[hikers]{5}$" /usr/share/dict/american-english
 ... ...
 shire shire
Line 31: Line 32:
 skies skies
 </code> </code>
 +
 which also shows words where some letters are repeated twice. which also shows words where some letters are repeated twice.
  
grep_usage.txt · Last modified: 2023/09/07 21:03 by raju