Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: How find Linux version from command line?
Top Forums Shell Programming and Scripting How find Linux version from command line? Post 302915173 by SriniShoo on Monday 1st of September 2014 07:54:07 AM
Old 09-01-2014
Both the codes give you 6 as the output
Code:
rev /etc/redhat-release | cut -f2 -d ' ' | rev | cut -f1 -d '.'

of
Code:
cut -f1 -d '.' /etc/redhat-release | rev | cut -f1 -d ' ' | rev

---------- Post updated at 07:54 AM ---------- Previous update was at 07:49 AM ----------

sed solution
Code:
sed 's/[^[:digit:]]*\([[:digit:]]*\)\..*/\1/' /etc/redhat-release

Last edited by SriniShoo; 09-01-2014 at 09:01 AM.. Reason: missed sed, thanks to Ravinder
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Is there a linux version of dos2unix command?

I'm having some probs and i know in unix i can do a dos2unix command and fix it, and it looks like that may be my problem now, but linux doesn't have dos2unix of course, anything comparable? (4 Replies)
Discussion started by: kymberm
4 Replies

2. Shell Programming and Scripting

using the perl version of the find command...

hi, i am looking through the perl documentation in the man pages for the first time but I have looked at some other reference giudes before (at a glance) and remember that there is a find command used by perl can any one give me a structured example of that command and how it works and if possible... (2 Replies)
Discussion started by: moxxx68
2 Replies

3. UNIX for Dummies Questions & Answers

Redhat linux command to check Version

Hi All, I need to know RedHat linux version installed on a different servers. I know uname -a or /proc/version Is any other command to know the Linux version???? When we telnet to any of the Linux server, the version shows very clearly like Red Hat Enterprise Linux ES release 3 (Taroon... (1 Reply)
Discussion started by: bache_gowda
1 Replies

4. Shell Programming and Scripting

unix command to find the version of Informix database

Hi All Please let me know if there is command to check the version of the informix database installed..? Thanks in advance. Suresh (4 Replies)
Discussion started by: sureshg_sampat
4 Replies

5. UNIX Desktop Questions & Answers

Finding USB version on command line

Would anyone happen to know what to grep for finding the version of the USB ports are on the system through the command line? Thanks. (1 Reply)
Discussion started by: eightysix
1 Replies

6. Ubuntu

Download latest Ubuntu version from linux command

I have ubuntu 10.4 on my system and want to download newer Ubuntu version like 11.04. Is there any linux command(something like apt-get source used for downloading kernel source) using which I can download directly the newer ubuntu relaease? (2 Replies)
Discussion started by: rupeshkp728
2 Replies

7. Shell Programming and Scripting

How to find duplicate line in Linux?

Hi, Gurus, I need find the duplicate record in unix file. what command I should use for this. Thanks in advance (4 Replies)
Discussion started by: ken6503
4 Replies

8. UNIX for Dummies Questions & Answers

To find and display the middle line in a file using single line command.

Hi all, How can i display the middle line of a file using a single line command? (6 Replies)
Discussion started by: Lakme Pemmaiah
6 Replies

9. Shell Programming and Scripting

Linux find command seems to not transmit all the result to the '-exec command'

Hello. From a script, a command for a test is use : find /home/user_install -maxdepth 1 -type f -newer /tmp/000_skel_file_deb ! -newer /tmp/000_skel_file_end -name '.bashrc' -o -name '.profile' -o -name '.gtkrc-2.0' -o -name '.i18n' -o -name '.inputrc' Tha command... (3 Replies)
Discussion started by: jcdole
3 Replies

10. UNIX for Beginners Questions & Answers

How to find weblogic version in Linux?

Hi All, I am able to find the weblogic version in Centos 7 by using below command but i am not sure what is java -cp is doing in below command. Can someone please help. unable to find info from java man page as well. # cd /opt/oracle/weblogic/wlserver*/server/lib && java -cp... (1 Reply)
Discussion started by: sravani25
1 Replies

LEARN ABOUT DEBIAN

sdl::gfx::imagefilter

pods::SDL::GFX::ImageFilter(3pm)			User Contributed Perl Documentation			  pods::SDL::GFX::ImageFilter(3pm)

NAME

       SDL::GFX::ImageFilter - image filtering functions

CATEGORY

       TODO, GFX

METHODS

   MMX_detect
       int gfx_image_MMX_detect()      CODE:	       SDL_imageFilterMMXdetect();

   MMX_off
       void gfx_image_MMX_off()      CODE:	     SDL_imageFilterMMXoff();

   MMX_on
       void gfx_image_MMX_on()	    CODE:	    SDL_imageFilterMMXon();

   add
       int gfx_image_add(Src1, Src2, Dest, length)	unsigned char *Src1	 unsigned char *Src2	  unsigned char *Dest	   int length
	    CODE:	    RETVAL = SDL_imageFilterAdd(Src1, Src2, Dest, length);	OUTPUT: 	  RETVAL

   mean
       int gfx_image_mean(Src1, Src2, Dest, length)	 unsigned char *Src1	  unsigned char *Src2	   unsigned char *Dest	    int length
	    CODE:	    RETVAL = SDL_imageFilterMean(Src1, Src2, Dest, length);	 OUTPUT:	   RETVAL

   sub
       int gfx_image_sub(Src1, Src2, Dest, length)	unsigned char *Src1	 unsigned char *Src2	  unsigned char *Dest	   int length
	    CODE:	    RETVAL = SDL_imageFilterSub(Src1, Src2, Dest, length);	OUTPUT: 	  RETVAL

   abs_diff
       int gfx_image_abs_diff(Src1, Src2, Dest, length)      unsigned char *Src1      unsigned char *Src2      unsigned char *Dest	int length
	    CODE:	    RETVAL = SDL_imageFilterAbsDiff(Src1, Src2, Dest, length);	    OUTPUT:	      RETVAL

   mult
       int gfx_image_mult(Src1, Src2, Dest, length)	 unsigned char *Src1	  unsigned char *Src2	   unsigned char *Dest	    int length
	    CODE:	    RETVAL = SDL_imageFilterMult(Src1, Src2, Dest, length);	 OUTPUT:	   RETVAL

   mult_nor
       int gfx_image_mult_nor(Src1, Src2, Dest, length)      unsigned char *Src1      unsigned char *Src2      unsigned char *Dest	int length
	    CODE:	    RETVAL = SDL_imageFilterMultNor(Src1, Src2, Dest, length);	    OUTPUT:	      RETVAL

   mult_div_by_2
       int gfx_image_mult_div_by_2(Src1, Src2, Dest, length)	  unsigned char *Src1	   unsigned char *Src2	    unsigned char *Dest      int
       length	   CODE:	   RETVAL = SDL_imageFilterMultDivby2(Src1, Src2, Dest, length);      OUTPUT:		RETVAL

   mult_div_by_4
       int gfx_image_mult_div_by_4(Src1, Src2, Dest, length)	  unsigned char *Src1	   unsigned char *Src2	    unsigned char *Dest      int
       length	   CODE:	   RETVAL = SDL_imageFilterMultDivby4(Src1, Src2, Dest, length);      OUTPUT:		RETVAL

   bit_and
       int gfx_image_bit_and(Src1, Src2, Dest, length)	    unsigned char *Src1      unsigned char *Src2      unsigned char *Dest      int length
	    CODE:	    RETVAL = SDL_imageFilterBitAnd(Src1, Src2, Dest, length);	   OUTPUT:	     RETVAL

   bit_or
       int gfx_image_bit_or(Src1, Src2, Dest, length)	   unsigned char *Src1	    unsigned char *Src2      unsigned char *Dest      int length
	    CODE:	    RETVAL = SDL_imageFilterBitOr(Src1, Src2, Dest, length);	  OUTPUT:	    RETVAL

   div
       int gfx_image_div(Src1, Src2, Dest, length)	unsigned char *Src1	 unsigned char *Src2	  unsigned char *Dest	   int length
	    CODE:	    RETVAL = SDL_imageFilterDiv(Src1, Src2, Dest, length);	OUTPUT: 	  RETVAL

   bit_negation
       int gfx_image_bit_negation(Src1, Dest, length)	   unsigned char *Src1	    unsigned char *Dest      int length      CODE:
		 RETVAL = SDL_imageFilterBitNegation(Src1, Dest, length);      OUTPUT:		 RETVAL

   add_byte
       int gfx_image_add_byte(Src1, Dest, length, C)	  unsigned char *Src1	   unsigned char *Dest	    int length	    unsigned char C
	    CODE:	    RETVAL = SDL_imageFilterAddByte(Src1, Dest, length, C);	 OUTPUT:	   RETVAL

   add_uint
       int gfx_image_add_uint(Src1, Dest, length, C)	  unsigned char *Src1	   unsigned char *Dest	    int length	    unsigned int C
	    CODE:	    RETVAL = SDL_imageFilterAddUint(Src1, Dest, length, C);	 OUTPUT:	   RETVAL

   add_byte_to_half
       int gfx_image_add_byte_to_half(Src1, Dest, length, C)	  unsigned char *Src1	   unsigned char *Dest	    int length	    unsigned char
       C      CODE:	      RETVAL = SDL_imageFilterAddByteToHalf(Src1, Dest, length, C);	 OUTPUT:	   RETVAL

   sub_byte
       int gfx_image_sub_byte(Src1, Dest, length, C)	  unsigned char *Src1	   unsigned char *Dest	    int length	    unsigned char C
	    CODE:	    RETVAL = SDL_imageFilterSubByte(Src1, Dest, length, C);	 OUTPUT:	   RETVAL

   sub_uint
       int gfx_image_sub_uint(Src1, Dest, length, C)	  unsigned char *Src1	   unsigned char *Dest	    int length	    unsigned int C
	    CODE:	    RETVAL = SDL_imageFilterSubUint(Src1, Dest, length, C);	 OUTPUT:	   RETVAL

   shift_right
       int gfx_image_shift_right(Src1, Dest, length, N)      unsigned char *Src1      unsigned char *Dest      int length      unsigned char N
	    CODE:	    RETVAL = SDL_imageFilterShiftRight(Src1, Dest, length, N);	    OUTPUT:	      RETVAL

   shift_right_uint
       int gfx_image_shift_right_uint(Src1, Dest, length, N)	  unsigned char *Src1	   unsigned char *Dest	    int length	    unsigned char
       N      CODE:	      RETVAL = SDL_imageFilterShiftRightUint(Src1, Dest, length, N);	  OUTPUT:	    RETVAL

   mult_by_byte
       int gfx_image_mult_by_byte(Src1, Dest, length, C)      unsigned char *Src1      unsigned char *Dest	int length	unsigned char C
	    CODE:	    RETVAL = SDL_imageFilterMultByByte(Src1, Dest, length, C);	    OUTPUT:	      RETVAL

   shift_right_and_mult_by_byte
       int gfx_image_shift_right_and_mult_by_byte(Src1, Dest, length, N, C)	 unsigned char *Src1	  unsigned char *Dest	   int length
	    unsigned char N	 unsigned char C      CODE:	      RETVAL = SDL_imageFilterShiftRightAndMultByByte(Src1, Dest, length, N, C);
	    OUTPUT:	      RETVAL

   shift_left_byte
       int gfx_image_shift_left_byte(Src1, Dest, length, N)	 unsigned char *Src1	  unsigned char *Dest	   int length	   unsigned char N
	    CODE:	    RETVAL = SDL_imageFilterShiftLeftByte(Src1, Dest, length, N);      OUTPUT:		 RETVAL

   shift_left_uint
       int gfx_image_shift_left_uint(Src1, Dest, length, N)	 unsigned char *Src1	  unsigned char *Dest	   int length	   unsigned char N
	    CODE:	    RETVAL = SDL_imageFilterShiftLeftUint(Src1, Dest, length, N);      OUTPUT:		 RETVAL

   shift_left
       int gfx_image_shift_left(Src1, Dest, length, N)	    unsigned char *Src1      unsigned char *Dest      int length      unsigned char N
	    CODE:	    RETVAL = SDL_imageFilterShiftLeft(Src1, Dest, length, N);	   OUTPUT:	     RETVAL

   binarize_using_threshold
       int gfx_image_binarize_using_threshold(Src1, Dest, length, T)	  unsigned char *Src1	   unsigned char *Dest	    int length
	    unsigned char T	 CODE:		 RETVAL = SDL_imageFilterBinarizeUsingThreshold(Src1, Dest, length, T);      OUTPUT:
		 RETVAL

   clip_to_range
       int gfx_image_clip_to_range(Src1, Dest, length, Tmin, Tmax)	unsigned char *Src1	 unsigned char *Dest	  int length	  unsigned
       char Tmin      unsigned char Tmax      CODE:	      RETVAL = SDL_imageFilterClipToRange(Src1, Dest, length, Tmin, Tmax);	OUTPUT:
		 RETVAL

   normalize_linear
       int gfx_image_normalize_linear(Src1, Dest, length, Cmin, Cmax, Nmin, Nmax)      unsigned char *Src1	unsigned char *Dest	 int
       length	   int Cmin	 int Cmax      int Nmin      int Nmax	   CODE:	   RETVAL = SDL_imageFilterNormalizeLinear(Src1, Dest,
       length, Cmin, Cmax, Nmin, Nmax);      OUTPUT:	       RETVAL

   convolve_kernel_3x3_divide
       int gfx_image_convolve_kernel_3x3_divide(Src, Dest, rows, columns, Kernel, Divisor)	unsigned char *Src	unsigned char *Dest
	    int rows	  int columns	   Sint16 *Kernel      unsigned char Divisor	  CODE: 	  RETVAL =
       SDL_imageFilterConvolveKernel3x3Divide(Src, Dest, rows, columns, Kernel, Divisor);      OUTPUT:		 RETVAL

   convolve_kernel_5x5_divide
       int gfx_image_convolve_kernel_5x5_divide(Src, Dest, rows, columns, Kernel, Divisor)	unsigned char *Src	unsigned char *Dest
	    int rows	  int columns	   Sint16 *Kernel      unsigned char Divisor	  CODE: 	  RETVAL =
       SDL_imageFilterConvolveKernel5x5Divide(Src, Dest, rows, columns, Kernel, Divisor);      OUTPUT:		 RETVAL

   convolve_kernel_7x7_divide
       int gfx_image_convolve_kernel_7x7_divide(Src, Dest, rows, columns, Kernel, Divisor)	unsigned char *Src	unsigned char *Dest
	    int rows	  int columns	   Sint16 *Kernel      unsigned char Divisor	  CODE: 	  RETVAL =
       SDL_imageFilterConvolveKernel7x7Divide(Src, Dest, rows, columns, Kernel, Divisor);      OUTPUT:		 RETVAL

   convolve_kernel_9x9_divide
       int gfx_image_convolve_kernel_9x9_divide(Src, Dest, rows, columns, Kernel, Divisor)	unsigned char *Src	unsigned char *Dest
	    int rows	  int columns	   Sint16 *Kernel      unsigned char Divisor	  CODE: 	  RETVAL =
       SDL_imageFilterConvolveKernel9x9Divide(Src, Dest, rows, columns, Kernel, Divisor);      OUTPUT:		 RETVAL

   convolve_kernel_3x3_shift_right
       int gfx_image_convolve_kernel_3x3_shift_right(Src, Dest, rows, columns, Kernel, NRightShift)	 unsigned char *Src	 unsigned char
       *Dest	  int rows	int columns	 Sint16 *Kernel      unsigned char NRightShift	    CODE:	    RETVAL =
       SDL_imageFilterConvolveKernel3x3ShiftRight(Src, Dest, rows, columns, Kernel, NRightShift);      OUTPUT:		 RETVAL

   convolve_kernel_5x5_shift_right
       int gfx_image_convolve_kernel_5x5_shift_right(Src, Dest, rows, columns, Kernel, NRightShift)	 unsigned char *Src	 unsigned char
       *Dest	  int rows	int columns	 Sint16 *Kernel      unsigned char NRightShift	    CODE:	    RETVAL =
       SDL_imageFilterConvolveKernel5x5ShiftRight(Src, Dest, rows, columns, Kernel, NRightShift);      OUTPUT:		 RETVAL

   convolve_kernel_7x7_shift_right
       int gfx_image_convolve_kernel_7x7_shift_right(Src, Dest, rows, columns, Kernel, NRightShift)	 unsigned char *Src	 unsigned char
       *Dest	  int rows	int columns	 Sint16 *Kernel      unsigned char NRightShift	    CODE:	    RETVAL =
       SDL_imageFilterConvolveKernel7x7ShiftRight(Src, Dest, rows, columns, Kernel, NRightShift);      OUTPUT:		 RETVAL

   convolve_kernel_9x9_shift_right
       int gfx_image_convolve_kernel_9x9_shift_right(Src, Dest, rows, columns, Kernel, NRightShift)	 unsigned char *Src	 unsigned char
       *Dest	  int rows	int columns	 Sint16 *Kernel      unsigned char NRightShift	    CODE:	    RETVAL =
       SDL_imageFilterConvolveKernel9x9ShiftRight(Src, Dest, rows, columns, Kernel, NRightShift);      OUTPUT:		 RETVAL

   sobel_x
       int gfx_image_sobel_x(Src, Dest, rows, columns)	    unsigned char *Src	    unsigned char *Dest      int rows	   int columns	    CODE:
		 RETVAL = SDL_imageFilterSobelX(Src, Dest, rows, columns);	OUTPUT: 	  RETVAL

   sobel_x_shift_right
       int gfx_image_sobel_x_shift_right(Src, Dest, rows, columns, NRightShift)      unsigned char *Src      unsigned char *Dest      int rows
	    int columns      unsigned char NRightShift	    CODE:	    RETVAL = SDL_imageFilterSobelXShiftRight(Src, Dest, rows, columns,
       NRightShift);	  OUTPUT:	    RETVAL

   align_stack
       void gfx_image_align_stack()	 CODE:		 SDL_imageFilterAlignStack();

   restore_stack
       void gfx_image_restore_stack()	   CODE:	   SDL_imageFilterRestoreStack();

AUTHORS

       See "AUTHORS" in SDL.

perl v5.14.2							    2012-05-28					  pods::SDL::GFX::ImageFilter(3pm)
All times are GMT -4. The time now is 10:40 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy