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Top Forums UNIX for Advanced & Expert Users Date Formatting in Shell Script Post 302126113 by Isiva on Tuesday 10th of July 2007 05:46:10 AM
Old 07-10-2007
Question Date Formatting in Shell Script

Hi,

Can anybody throw somelight on how to handle date in a shell script?

I need to pass the date in this format 'yymmdd' and then pad it to a file.

The way in which i've handled is given below, but the date is not getting passed rather the file is getting created with a null date. Any expert suggestions to handle this will be much appreciated. Thanks!

DT=date -u '070101' + "%y%m%d"

FILE=XYZ
export OUT1=$TMP/${FILE}_rbm_${DT}_01.txt
export OUT3=$TMP/${FILE}_rbm_${DT}_01.txt.ctl
FILE=123
export OUT2=$TMP/${FILE}_rbm_${DT}_02.txt
export OUT4=$TMP/${FILE}_rbm_${DT}_02.txt.ctl
 

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SHTOOL-MOVE.TMP(1)					      GNU Portable Shell Tool						SHTOOL-MOVE.TMP(1)

NAME
shtool-move - GNU shtool enhanced mv(1) replacement SYNOPSIS
shtool move [-v|--verbose] [-t|--trace] [-e|--expand] [-p|--preserve] src-file dst-file DESCRIPTION
This is a mv(1) style command enhanced with the ability to rename multiple files in a single operation and the ability to detect and not touch existing equal destinations files, thus preserving timestamps. OPTIONS
The following command line options are available. -v, --verbose Display some processing information. -t, --trace Enable the output of the essential shell commands which are executed. -e, --expand Expand asterisk in src to be used as ""%"n" (where n is 1,2,...) in dst-file. This is useful for renaming multiple files at once. -p, --preserve Detect src-file and dst-file having equal content and not touch existing destination files, thus perserving timestamps. This is useful for applications that monitor timestamps, i.e. suppress make(1L) repeating actions for unchanged files. EXAMPLE
# shell script shtool move -v -e '*.txt' %1.asc # Makefile scanner.c: scanner.l lex scanner.l shtool move -t -p lex.yy.c scanner.c HISTORY
The GNU shtool move command was originally written by Ralf S. Engelschall <rse@engelschall.com> in 1999 for GNU shtool. SEE ALSO
shtool(1), mv(1), make(1). 18-Jul-2008 shtool 2.0.8 SHTOOL-MOVE.TMP(1)
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