Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: conversion of input date in reverse order
Top Forums Shell Programming and Scripting conversion of input date in reverse order Post 302566382 by durden_tyler on Thursday 20th of October 2011 09:04:07 AM
Old 10-20-2011
Quote:
Originally Posted by suryanarayana
...I am having date as input 01-08-2011 ...i want to convert it by removing - (hyphens) in reverse order...i.e 20110801
...
Code:
$
$ echo "01-08-2011" | awk -F- '{print $3$2$1}'
20110801
$
$ # GNU sed
$ echo "01-08-2011" | sed 's/^\([0-9]\+\)-\([0-9]\+\)-\([0-9]\+\)$/\3\2\1/'
20110801
$
$ echo "01-08-2011" | perl -F- -plane '$_="$F[2]$F[1]$F[0]"'
20110801
$
$ echo "01-08-2011" | perl -plane 's/(\d+)-(\d+)-(\d+)/$3$2$1/'
20110801
$
$

tyler_durden
Last edited by durden_tyler; 10-20-2011 at 10:11 AM..
This User Gave Thanks to durden_tyler For This Post:
suryanarayana
 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

sort a file in reverse order

I a file with log entries... I want to sort it so that the last line in the file is first and the first line is last.. eg. Sample file 1 h a f 8 6 After sort should look like 6 8 f a h 1 (11 Replies)
Discussion started by: frustrated1
11 Replies

2. UNIX for Dummies Questions & Answers

sort -reverse order

I need to sort the particular column only in reverse order how i can give it.. if i give the -r option the whole file is getting sorted in reverse order. 1st 2nd col 3rd C col 4th col 5th col ------------------------------------------- C... (7 Replies)
Discussion started by: sivakumar.rj
7 Replies

3. Shell Programming and Scripting

cut a field, but with reverse order

Hi Everyone, I have one a.txt: a b 001 c b b 002 c c c, not 002 c The output should be 001 002 002 If i use cut -f 3 -d' ', this does not work on the 3rd line, so i thought is any way to cut the field counting from the end? or any perl thing can do this?:confused: ... (3 Replies)
Discussion started by: jimmy_y
3 Replies

4. Shell Programming and Scripting

How to get fields in reverse order?

i am having lines like below seperated by "|" (pipe) abc|xyz 123|567 i have to get the above in reverse order xyz|abc 567|123 Pls help (5 Replies)
Discussion started by: suryanarayana
5 Replies

5. UNIX for Dummies Questions & Answers

printing fields in reverse order

command/script(apart from awk) to print the fields in reverse order that is last field has to come first and so on and first field has to go last Input store-id date sale ............. ............. ... (3 Replies)
Discussion started by: tsurendra
3 Replies

6. Shell Programming and Scripting

print in reverse order

Hi, I want to print the item in reverse order such that the output would look like 00 50 50 23 40 22 02 96 Below is the input: 00 05 05 32 04 22 20 69 Video tutorial on how to use code tags in The UNIX and Linux Forums. (5 Replies)
Discussion started by: reignangel2003
5 Replies

7. Shell Programming and Scripting

Sorting strings in reverse order

Hello, I have a large database of words and would like them sorted in reverse order i.e. from the end up. An example will make this clear: I have tried to write a program in Perl which basically takes the string from the end and tries to sort from that end but it does not seem... (5 Replies)
Discussion started by: gimley
5 Replies

8. Shell Programming and Scripting

Delete records in reverse order

Hi all, i have dynamic file 'xyz.txt', records always look likes below format ... 0000021 RET 31-MAR-1984 FAP 0000021 DTA 14-JAN-2003 CNV 0000021 DTA 25-MAR-2012 DTA 0000021 DTA 26-MAR-2012 DTA ################################################# 0000021 DTA ... (4 Replies)
Discussion started by: krupasindhu18
4 Replies

9. UNIX for Beginners Questions & Answers

Issues with sorting in reverse order

I have a unix script that outputs a summary file to the mac desktop. The file is called summary.txt I am trying to configure such so that the summary.txt file lists the content contained within such in reverse sort order. I have used sort -r but it does not seem to work. I would be... (8 Replies)
Discussion started by: Braveheart
8 Replies

LEARN ABOUT DEBIAN

blockdiag

BLOCKDIAG(1)						      General Commands Manual						      BLOCKDIAG(1)

NAME

       blockdiag - generate block-diagram image file from spec-text file.

SYNOPSIS

       blockdiag [options] file

DESCRIPTION

       This manual page documents briefly the blockdiag commands.

       blockdiag is a program that generate block-diagram image file from spec-text file.

OPTIONS

       These  programs	follow	the  usual  GNU  command  line	syntax, with long options starting with two dashes (`-').  A summary of options is
       included below.	For a complete description, see the SEE ALSO.

       --version
	      show program's version number and exit

       -h, --help
	      Show summary of options

       -a, --antialias
	      Pass diagram image to anti-alias filter

       -c FILE, --config=FILE
	      read configurations from FILE

       -o FILE
	      write diagram to FILE

       -f FONT, --font=FONT
	      use FONT to draw diagram

       --fontmap=FONT
	      use FONTMAP file to draw diagram

       -s, --separate
	      Separate diagram images for each group

       -T TYPE
	      Output diagram as TYPE format

       --nodoctype
	      Do not output doctype definition tags (SVG only)

       --no-transparency
	      do not make transparent background of diagram (PNG only)

SEE ALSO

       The programs are documented fully by
       http://tk0miya.bitbucket.org/blockdiag/build/html/index.html

AUTHOR

       blockdiag was written by Takeshi Komiya <i.tkomiya@gmail.com>

       This manual page was written by Kouhei Maeda <mkouhei@palmtb.net>, for the Debian project (and may be used by others).

								   May	9, 2011 						      BLOCKDIAG(1)
All times are GMT -4. The time now is 04:44 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy