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Full Discussion: AWK script for directory listing using GREP
Top Forums Shell Programming and Scripting AWK script for directory listing using GREP Post 302336229 by ora_umair on Tuesday 21st of July 2009 02:56:34 PM
Old 07-21-2009
Hi, Franklin52 -

HTML Code:
BEGIN {
    printf "The following are directories:\n"
    while(("ls -l|grep '^d'"|getline ) > 0) print
      }
END {
  print "There were "NR" directories in this list."
 }
The directory listing part is working... How do I fix the "NR" line? Right now it is not returing anything.
 

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LEARN ABOUT CENTOS

igawk

IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME

       igawk - gawk with include files

SYNOPSIS

       igawk [ all gawk options ] -f program-file [ -- ] file ...
       igawk [ all gawk options ] [ -- ] program-text file ...

DESCRIPTION

       Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1).

       AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like

	      @include getopt.awk

       in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path.

OPTIONS

       See gawk(1) for a full description of the AWK language and the options that gawk supports.

EXAMPLES

       cat << EOF > test.awk
       @include getopt.awk

       BEGIN {
	    while (getopt(ARGC, ARGV, "am:q") != -1)
		 ...
       }
       EOF

       igawk -f test.awk

SEE ALSO

       gawk(1)

       Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995.

AUTHOR

       Arnold Robbins (arnold@skeeve.com).

Free Software Foundation					    Nov 3 1999								  IGAWK(1)
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