TEXT_MANIPULATION(oh)		     LOCAL		 TEXT_MANIPULATION(oh)

text manipulation - tools

      sed(oh)			   : text stream editor, commonly used for
				   substitution.
      cut(oh)			   : split string.
      tr(oh)			   : translate characters.
      paste(oh)			   : join files/lines.

SED
     replace old with new
	    : s/old/new/
     replace all occurrences
	    : s/old/new/g
     replace the second occurrence
	    : s/l/p/2

   Examples
     $ echo "hello" | sed "s/l/p/"
     heplo
     $ echo "hello" | sed "s/l/p/g"
     heppo
     $ echo "hello" | sed "s/l/p/2"
     helpo

CUT
     -d		    | delimeter
     -c		    | split by character count
     -d		    | split by character (specify delimeter)
     -f		    | specify field count. Use n,-n,n-
			  -f 2, gets 2nd field; -f -2, gets up to the 2nd
			  field; -f 2-, gets from the 2nd field to the end

     $ echo "a b c" | cut -d " " -f 2
     b
     $ echo "a b c" | cut -d " " -f 2-
     b c
     $ echo hello | cut -c 2
     e

TR
     $ echo "hello" | tr "l" "m"
     hemmo

   control chacters
     echo "hello" | tr 'e' '\n'
     h
     llo
     echo 'hello' | tr 'l' '\t'
     he		     o

   character range
     echo 'hello' | tr 'h-l' 'a-d'
     aeddo

   Character classes
     echo '1.hello\n2.goodbye' | tr '[:digit:]' 'a-c'
     b.hello
     c.goodbye

PASTE
     Requires a file OpenBSD, cat be a pipe redirection on Slackware.

   OpenBSD
     $ cat test.log
     1
     2
     3
     $ paste -s -d "+" test.log
     1+2+3
     cat test.log | paste -s -d +
     1+2+3

TODO
     -	 review and improve if needed.

SEE ALSO
     openbsd(oh) , slackware(oh)

AUTHORS
     ohazot(oh) | about(oh) | ohazot.com: https://ohazot.com
     <admin@ohazot.com>

		    Created:2025-10-03|Updated:2025-10-21|
							 TEXT_MANIPULATION(oh)