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Top Forums UNIX for Dummies Questions & Answers How to save current day files only? Post 302941358 by RudiC on Wednesday 15th of April 2015 12:06:17 PM
Old 04-15-2015
Trying to understand and optimize your approach - do consider jim mcnamaras comments, though - I think this might do what you want:
Code:
ls -l | awk -vDT=$(date +"%b %d") '$0 ~ DT {print $9}'

Please note that
- no grep is needed when you're using awk anyhow
- no awk for date is needed, use its format option
- ls does not need the -rt options i your case

The error in post#1 is, you're writing the results to a file but try to expand a variable of the same name which is empty.
 

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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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