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Full Discussion: Problem with sed
Top Forums Shell Programming and Scripting Problem with sed Post 302558844 by ahamed101 on Sunday 25th of September 2011 05:04:03 PM
Old 09-25-2011
you need to add something in the 3rd row 10th column? How do you separate the column? space?
And do you have a pattern? I mean is it always at the 3rd row?

--ahamed

---------- Post updated at 02:04 PM ---------- Previous update was at 01:45 PM ----------

I really don't know what you are trying to accomplish. The following code will add blank lines and then insert the value at the specified row.

Code:
val=123
row=5
awk -v row=$row -v file=file ' BEGIN{cmd="wc -l " file;cmd|getline;new_line=row-$1; while(new_line>0){print "" >> file;new_line--;}} ' file 
&& sed -i "$row i $val" file

--ahamed

Last edited by ahamed101; 09-25-2011 at 05:56 PM..
 

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XkbAddGeomKey(3)						   XKB FUNCTIONS						  XkbAddGeomKey(3)

NAME
XkbAddGeomKey - Add one key at the end of an existing row of keys SYNOPSIS
XkbKeyPtr XkbAddGeomKey (XkbRowPtr row); ARGUMENTS
- row row to be updated DESCRIPTION
Xkb provides functions to add a single new element to the top-level keyboard geometry. In each case the num_ * fields of the corresponding structure is incremented by 1. These functions do not change sz_* unless there is no more room in the array. Some of these functions fill in the values of the element's structure from the arguments. For other functions, you must explicitly write code to fill the structure's elements. The top-level geometry description includes a list of geometry properties. A geometry property associates an arbitrary string with an equally arbitrary name. Programs that display images of keyboards can use geometry properties as hints, but they are not interpreted by Xkb. No other geometry structures refer to geometry properties. Keys are grouped into rows. XkbAddGeomKey adds one key to the end of the specified row. The key is allocated and zeroed. XkbAddGeomKey returns NULL if row is empty or if it was not able to allocate space for the key. To allocate space for an arbitrary number of keys to a row, use XkbAllocGeomKeys. STRUCTURES
typedef struct _XkbKey { /* key in a row */ XkbKeyNameRec name; /* key name */ short gap; /* gap in mm/10 from previous key in row */ unsigned char shape_ndx; /* index of shape for key */ unsigned char color_ndx; /* index of color for key body */ } XkbKeyRec, *XkbKeyPtr; SEE ALSO
XkbAllocGeomKeys(3) X Version 11 libX11 1.5.0 XkbAddGeomKey(3)
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