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Top Forums Shell Programming and Scripting Sed wraps some lines, not all Post 302505370 by alan on Wednesday 16th of March 2011 07:17:05 PM
Old 03-16-2011
Sed wraps some lines, not all

Greetings. I am using SED to cleanup files that are laid out like so:

Code:
   
ReceiverID=028936004663
SerialNumber=WD-WCAV95708405
Currenttemp=44C
PowerOnHours=3663h
ReceiverID=028923894902
SerialNumber=WD-WCAV9A766701
Currenttemp=49C
PowerOnHours=2215h

My boss wants files like this one to be tab ("\t") delimited like so

Code:
ReceiverID=...(tab)SerialNumber=...(tab)Currenttemp=...(tab)PowerOnHours=...(newline)
ReceiverID=...(tab)SerialNumber=...(tab)Currenttemp=...(tab)PowerOnHours=...(newline)...

1) first, I added a newline to mark each record
Code:
sed -i 's/h/h\n/g' infile

,
2) then, I added the the tab delimiter
Code:
    sed -i '/.$/N; s/.\n/\t/' infile

It works but strangely, not everywhere. This is the output I get

Code:
ReceiverID=...(tab)SerialNumber=...(tab???)
Currenttemp=...(tab)PowerOnHours=...(newline)
ReceiverID=...(tab)SerialNumber=...(tab???)
Currenttemp=...(tab)PowerOnHours=...(newline)

What am I missing?? I welcome your input. Thanks.
 

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XmTabListInsertTabs(library call)										 XmTabListInsertTabs(library call)

NAME
XmTabListInsertTabs -- A convenience function that inserts tabs into a tab list SYNOPSIS
#include <Xm/Xm.h> XmTabList XmTabListInsertTabs( XmTabList oldlist, XmTab *tabs, Cardinal tab_count, int position); DESCRIPTION
XmTabListInsertTabs creates a new tab list that includes the tabs in oldlist. This function copies specified tabs to the tab list at the given position. The first tab_count tabs of the tabs array are added to the tab list. If oldlist is NULL, XmTabListInsertTabs creates a new tab list containing only the tabs specified. oldlist Specifies the tab list to add the tabs to. The function deallocates oldlist after extracting the required information. tabs Specifies a pointer to the tabs to be added to the tab list. It is the caller's responsibility to free the tabs in tabs by using XmTabFree. tab_count Specifies the number of tabs in tabs. position Specifies the position of the first new tab in the tab list. A value of 0 (zero) makes the first new tab the first tab in the tab list, a value of 1 makes it the second tab, and so on. If position is greater than the number of tabs in oldlist, then the tabs will be inserted at the end. If position is negative, the count will be backwards from the end. A value of -1 makes the first new tab the last tab, and so on. RETURN
If tabs is NULL or tab_count is 0 (zero), this function returns oldlist. Otherwise, it returns a new tab list. The function allocates space to hold the returned tab list. The application is responsible for managing the allocated space. The application can recover the allocated space by calling XmTabListFree. RELATED
XmTabList(3) and XmTabListFree(3). XmTabListInsertTabs(library call)
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