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cat and lp or pr printing of file

 
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# 1  
Old 02-18-2002
Question cat and lp or pr printing of file
Can you use cat to send the first 25 lines of a file to the printer? I'm thinking I can pipe it with '|' but I'm not school to check printer output.

With the 'nl' used, all lines are numbered on the print out, but how does one number only the blank lines?

ThanksSmilie
# 2  
Old 02-19-2002
To only display the first 25 lines, you can use the head utility. You can them either let it scroll to screen, or pipe it to lp.

Do you just want a count of blank lines? You can use a few different tools to do this; here's one:
egrep "^$" your_file | wc -l

Use egrep to search for a file that has the beginning of the line (^)right next to the end of the line ($), then pipe the results to wc (word count), using the -l (lines only) option...

Hope this helps.
 
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