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Top Forums Shell Programming and Scripting Help me to perform count & group by operation in shell scripting? Post 302728863 by bbc17484 on Thursday 8th of November 2012 02:48:14 PM
Old 11-08-2012
Help me to perform count & group by operation in shell scripting?

Hi All,

I want to display the distinct values in the file and for each distinct value how may occurance or there.

Test data:

test1.dat

Code:
20121105
20121105
20121105
20121105
20121106
20121106
20121106
20121105

I need to display the output like

Output

Code:
20121105  5
20121106  3

Please help me how to write the shell script for this.

Thanks in advance.

Thanks,
Chandu.
Moderator's Comments:
Mod Comment
Please use code tags when posting data and code samples!

Last edited by vgersh99; 11-08-2012 at 03:51 PM.. Reason: code tags, please!
 

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platform::shell(n)					       Tcl Bundled Packages						platform::shell(n)

__________________________________________________________________________________________________________________________________________________

NAME
platform::shell - System identification support code and utilities SYNOPSIS
package require platform::shell ?1.1.4? platform::shell::generic shell platform::shell::identify shell platform::shell::platform shell _________________________________________________________________ DESCRIPTION
The platform::shell package provides several utility commands useful for the identification of the architecture of a specific Tcl shell. This package allows the identification of the architecture of a specific Tcl shell different from the shell running the package. The only requirement is that the other shell (identified by its path), is actually executable on the current machine. While for most platform this means that the architecture of the interrogated shell is identical to the architecture of the running shell this is not generally true. A counter example are all platforms which have 32 and 64 bit variants and where a 64bit system is able to run 32bit code. For these running and interrogated shell may have different 32/64 bit settings and thus different identifiers. For applications like a code repository it is important to identify the architecture of the shell which will actually run the installed packages, versus the architecture of the shell running the repository software. COMMANDS
platform::shell::identify shell This command does the same identification as platform::identify, for the specified Tcl shell, in contrast to the running shell. platform::shell::generic shell This command does the same identification as platform::generic, for the specified Tcl shell, in contrast to the running shell. platform::shell::platform shell This command returns the contents of tcl_platform(platform) for the specified Tcl shell. KEYWORDS
operating system, cpu architecture, platform, architecture platform::shell 1.1.4 platform::shell(n)
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