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Help with a rotate log script

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Top Forums Shell Programming and Scripting Help with a rotate log script
# 8  
Old 09-08-2012
Try
Code:
 ls x.*|sort -nt. -k3,3| while read fn; do echo mv -fv $fn ${fn%.*}.$((++i)); done
mv: `x.log.1' and `x.log.1' are the same file
`x.log.3' -> `x.log.2'
`x.log.5' -> `x.log.3'
`x.log.7' -> `x.log.4'
`x.log.9' -> `x.log.5'
`x.log.11' -> `x.log.6'
`x.log.13' -> `x.log.7'
`x.log.15' -> `x.log.8'
`x.log.17' -> `x.log.9'

You can skip the sort if file ordering doesn't matter.

--------------------------------------------------------
Sorry, I missed the fact you are running ksh. Above example works in bash.
Last edited by RudiC; 09-08-2012 at 08:41 AM.. Reason: missed the ksh detail
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LEARN ABOUT OSF1

line

line(1) 						      General Commands Manual							   line(1)

NAME

       line - Reads one line from standard input

SYNOPSIS

       line

STANDARDS

       Interfaces documented on this reference page conform to industry standards as follows:

       line:  XCU5.0

       Refer to the standards(5) reference page for more information about industry standards and associated tags.

OPTIONS

       None

DESCRIPTION

       The  line  command  copies one line, up to and including a newline, from standard input and writes it to standard output.  Use this command
       within a shell command file to read from your terminal.	The line command always writes at least a newline character.

NOTES

       The line utility has no internationalization features and is marked LEGACY in XCU Issue 5. Use the read utility instead.

EXIT STATUS

       Success.  End-of-File.

EXAMPLES

       To read a line from the keyboard and append it to a file, enter: echo 'Enter comments for the log:' echo ': c' line >>log

       This shell procedure displays the message: Enter comments for the log:

       It then reads a line of text from the keyboard and adds it to the end of the file log.  The echo  ':  c'  command  displays  a	:  (colon)
       prompt.	See the echo command for information about the c escape sequence.

SEE ALSO

       Commands:  echo(1), ksh(1), read(1), Bourne shell sh(1b), POSIX shell sh(1p)

       Functions:  read(2)

       Standards:  standards(5)

																	   line(1)