Delimiter appending in a data file if we receive a less columns than expected Post: 303006948

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1. Shell Programming and Scripting

Appending columns on a file

My issue is the following: I have several text files, let's say 10 of them. Each one has three columns separated by a tab: Date, Time and Value. What I want to do next is to have only one text file containing the information: Date, Time, Value1, Value2, Value3, ... , Value10, where Value1...

2. Shell Programming and Scripting

replace delimiter : with '\001' in unix data file

HI can any one tell me how to replace a delimiter : with another delimiter '\001' it is a non printable octal character. thanks in adv spandu

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Appending data at the first and last line of a file

Hi, Am trying to write a shell script which will append a header and a footer to an existing file. Header will contain details like the current date while the footer will contain the no: of records listed in the file. I know we can use the CAT command, but i have no clue abt the syntax to...

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how to differentiate columns of a file in perl with no specific delimiter

Hi everybody, This time I am having one issue in perl. I have to create comma separated file using the following type of information. The problem is the columns do not have any specific delimiter. So while using split I am getting different value. Some where it is space(S) and some where it is...

5. Shell Programming and Scripting

append data in a file by using tab delimiter

Hi, I need to append the data in to a file by using tab delimiter. eg: echo "Data1" >> filename.txt echo "\t" >> filename.txt (its not working) echo "Data2" >> filename.txt. the result sould be like this. Data1 Data2

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appending data to file

Hi. I wrote a very simple script and it doesn't work :( It is supposed to go to a certain directory, execute some command and append the output to the file "expo.dat" what it does is that it writes to the file only one entery. I dont know if Im using the write synthax for "append". Here is...

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appending data to last line of file

A friend contacted me recently with an interesting question. We got something worked out, but I'm curious what answers you all can come up with. Given a shell script (in bash) that processes a bunch of data and appends it to a file, how would you append the date, time, and a filename to the...

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Help- counting delimiter in a huge file and split data into 2 files

I’m new to Linux script and not sure how to filter out bad records from huge flat files (over 1.3GB each). The delimiter is a semi colon “;” Here is the sample of 5 lines in the file: Name1;phone1;address1;city1;state1;zipcode1 Name2;phone2;address2;city2;state2;zipcode2;comment...

9. Shell Programming and Scripting

Help with data appending to a file

Hi I have a file called text.txt contains x y z when i run a command i will get output like below x 20 z 30 i want to insert x, z value in text.txt file and should be like this x 20 y 0 z 30 can anyone help me please?

10. Shell Programming and Scripting

Need to loop file data based on delimiter

My file has data that looks like below: more data.txt I wish to display each string seperated by a delimiter : Expected output: I tried the below but I m not getting every split string on a new line. #!/bin/bash for i in `sed 's/:/\\n/g' data.txt`; do echo -n...

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setusershell

getusershell(3C)					   Standard C Library Functions 					  getusershell(3C)

NAME

       getusershell, setusershell, endusershell - get legal user shells

SYNOPSIS

       #include <unistd.h>

       char *getusershell(void);

       void setusershell(void);

       void endusershell(void);

DESCRIPTION

       The  getusershell()  function  returns  a  pointer  to  a  legal  user  shell  as defined by the system manager in the file /etc/shells. If
       /etc/shells does not exist, the following locations of the standard system shells are used in its place:

	 /bin/bash		    /bin/csh
	 /bin/jsh		    /bin/ksh
	 /bin/ksh93		    /bin/pfcsh
	 /bin/pfksh		    /bin/pfsh
	 /bin/sh		    /bin/tcsh
	 /bin/zsh		    /sbin/jsh
	 /sbin/pfsh		    /sbin/sh
	 /usr/bin/bash		    /usr/bin/csh
	 /usr/bin/jsh		    /usr/bin/ksh
	 /usr/bin/ksh93 	    /usr/bin/pfcsh
	 /usr/bin/pfksh 	    /usr/bin/pfsh
	 /usr/bin/sh		    /usr/bin/tcsh
	 /usr/bin/zsh		    /usr/sfw/bin/zsh
	 /usr/xpg4/bin/sh

       The getusershell() function opens the file /etc/shells, if it exists, and returns the next entry in the list of shells.

       The setusershell() function rewinds the file or the list.

       The endusershell() function closes the file, frees any memory used by getusershell() and setusershell(), and rewinds the file /etc/shells.

RETURN VALUES

       The getusershell() function returns a null pointer on EOF.

BUGS

       All information is contained in memory that may be freed with a call to endusershell(), so it must be copied if it is to be saved.

NOTES

       Restricted shells should not be listed in /etc/shells.

SunOS 5.11							    1 Nov 2007							  getusershell(3C)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Appending columns on a file

Discussion started by: abel

2. Shell Programming and Scripting

replace delimiter : with '\001' in unix data file

Discussion started by: spandu

3. Shell Programming and Scripting

Appending data at the first and last line of a file

Discussion started by: brainstormer

4. Shell Programming and Scripting

how to differentiate columns of a file in perl with no specific delimiter

Discussion started by: Amiya Rath