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Top Forums UNIX for Dummies Questions & Answers Move File Containing More Than two "-" at 3rd Line To New Directory Post 302944161 by bakunin on Saturday 16th of May 2015 10:13:31 AM
Old 05-16-2015
This is not a complete solution, just a detail for one:

Despite the preference of the majority here for awk i suppose that sed is the fastest to search for something at exactly line 3:

Code:
sed -n '3 {;s/[^[]*\[//;s/\].*//p;q;}' /path/to/file

Will extract only what is between "[" and "]" in the third line of a file, then quit immediately. It should be trivial to adapt the regexp to something counting hyphens in the part to be matched.

You might want to create rules for all the possible numbers of hyphens and decide on each file in one pass, like:

Code:
case number-of-hyphens in
     1)
          move_file dest_01
          ;;

     2)
          move_file dest_02
          ;;

     3)
          move_file dest_02
          ;;

     ..... etc....

esac

because it will be fastest to process each file only once.

I hope this helps.

bakunin

Last edited by bakunin; 05-16-2015 at 01:08 PM..
This User Gave Thanks to bakunin For This Post:
 

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SPLIT(1)						      General Commands Manual							  SPLIT(1)

NAME
split - split a file into pieces SYNOPSIS
split [ option ... ] [ file ] DESCRIPTION
Split reads file (standard input by default) and writes it in pieces of 1000 lines per output file. The names of the output files are xaa, xab, and so on to xzz. The options are -n Split into n-line pieces. -e expression File divisions occur at each line that matches a regular expression; see regexp(6). Multiple -e options may appear. If a subex- pression of expression is contained in parentheses (...), the output file name is the portion of the line which matches the subex- pression. -f stem Use stem instead of x in output file names. -s suffix Append suffix to names identified under -e. -x Exclude the matched input line from the output file. -i Ignore case in option -e; force output file names (excluding the suffix) to lower case. SOURCE
/sys/src/cmd/split.c SEE ALSO
sed(1), awk(1) grep(1), regexp(6) SPLIT(1)
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