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Full Discussion: Help on "tr' command
Top Forums Shell Programming and Scripting Help on "tr' command Post 302451560 by luckybalaji on Tuesday 7th of September 2010 08:08:49 AM
Old 09-07-2010
Help on "tr' command

Hi All,

I was asked to rewrite a script which is working in Solaris to Linux. In the existing script i have following 'tr' command.

Code:
tr -d '\002\003\013\032\001\014\272'  <$INPUT_FILE | tr -cd '[:print:]\n' >$OUTPUT_FILE

Some1 help me to understand this. Here is my understanding,
tr -d option deletes the occurance of '\002\003\013\032\001\014\272' in the input_file and prints with new line character.

Brief abt script, we are extracting our feed file from Aix (mainframe) and loading that in application running in the Linux OS. Since mainframe uses EBCDIC i have to remove some extra character which is not applicable or printable in ascii. So this script is used to remove those non-printable character and load into solaris server successfully. It is my time to convert this into Linux.

thx for help
 

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source(n)						       Tcl Built-In Commands							 source(n)

__________________________________________________________________________________________________________________________________________________

NAME
source - Evaluate a file or resource as a Tcl script SYNOPSIS
source fileName source -rsrc resourceName ?fileName? source -rsrcid resourceId ?fileName? _________________________________________________________________ DESCRIPTION
This command takes the contents of the specified file or resource and passes it to the Tcl interpreter as a text script. The return value from source is the return value of the last command executed in the script. If an error occurs in evaluating the contents of the script then the source command will return that error. If a return command is invoked from within the script then the remainder of the file will be skipped and the source command will return normally with the result from the return command. The end-of-file character for files is '32' (^Z) for all platforms. The source command will read files up to this character. This | restriction does not exist for the read or gets commands, allowing for files containing code and data segments (scripted documents). If | you require a ``^Z'' in code for string comparison, you can use ``32'' or ``u001a'', which will be safely substituted by the Tcl inter- | preter into ``^Z''. The -rsrc and -rsrcid forms of this command are only available on Macintosh computers. These versions of the command allow you to source a script from a TEXT resource. You may specify what TEXT resource to source by either name or id. By default Tcl searches all open resource files, which include the current application and any loaded C extensions. Alternatively, you may specify the fileName where the TEXT resource can be found. SEE ALSO
file(n), cd(n) KEYWORDS
file, script Tcl source(n)
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