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 Some Sample Scripts
 *******************
 
    Here are some `sed' scripts to guide you in the art of mastering
 `sed'.
 

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 Some exotic examples:
* Centering lines
* Increment a number
* Rename files to lower case
* Print bash environment
* Reverse chars of lines
 
 Emulating standard utilities:
* tac                             Reverse lines of files
* cat -n                          Numbering lines
* cat -b                          Numbering non-blank lines
* wc -c                           Counting chars
* wc -w                           Counting words
* wc -l                           Counting lines
* head                            Printing the first lines
* tail                            Printing the last lines
* uniq                            Make duplicate lines unique
* uniq -d                         Print duplicated lines of input
* uniq -u                         Remove all duplicated lines
* cat -s                          Squeezing blank lines
 

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