Is better way copy list of multiple files, rename and gzip Post: 302933637

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Top Forums Shell Programming and Scripting Is better way copy list of multiple files, rename and gzip Post 302933637 by Don Cragun on Sunday 1st of February 2015 01:48:03 AM

02-01-2015

Registered User

This seems to run a little bit faster than your script and should produce the same results:

Code:

#!/bin/ksh
date="${1:-$(date '+%Y%m%d')}"	# Date to process ($1 or today if no operands specified)
from='/tmp/test'		# Source directory
to='/staging/test'		# Target directory

cd "$to"
awk -v date="$date" -v from="$from" -v to="$to" '
{	sub(/[{]DATE_FILE[}]/, date)	# Replace "{DATE_FILE}" with desired date
}
/^Old_File/ {
	o[++oc] = $2	# Accumulate old file names.
	next
}
/^New_File/ {
	# Process new file names...
	++nc	# Increment # of new file names seen
	printf("cp %s/%s %s\n", from, o[nc], $2)	# Print cp command
	printf("gzip %s\n", $2)	# Print gzip command
}' "$from/controlfile" | ksh

I would suggest that you remove the | ksh at the end of the script to see the cp and gzip command that the script will produce. Then, if the commands look right, put the pipe through the shell back in to actually execute the command instead of just printing them.

If you want to run this on a Solaris/SunOS system, change awk in the script to /usr/xpg4/bin/awk, /usr/xpg6/bin/awk, or nawk.

Last edited by Don Cragun; 02-01-2015 at 03:55 AM.. Reason: Fix typo in alternative awk name "s|/iusr/xpg4/bin/awk|/usr/xpg4/bin/awk".

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LEARN ABOUT SUNOS

shells

shells(4)							   File Formats 							 shells(4)

NAME

       shells - shell database

SYNOPSIS

       /etc/shells

DESCRIPTION

       The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser-
       shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root.

       A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by  the  routines
       which search the file. Blank lines are also ignored.

       The  following  default	shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/pfcsh, /bin/pfksh, /bin/pfsh, /bin/sh,
       /bin/tcsh,  /bin/zsh,  /sbin/jsh,  /sbin/sh,  /usr/bin/bash,  /usr/bin/csh,  /usr/bin/jsh,  /usr/bin/ksh,  /usr/bin/pfcsh,  /usr/bin/pfksh,
       /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh. Note that /etc/shells overrides the default list.

       Invalid shells in /etc/shells may cause unexpected behavior (such as being unable to log in by way of ftp(1)).

FILES

       /etc/shells	       lists shells on system

SEE ALSO

       vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4)

SunOS 5.10							    4 Jun 2001								 shells(4)