replace lines in a file by corresponding lines from another file
Hi all,
I have an EPS file header, with the first lines pasted below. I would like to replace lines, such as the "BoundingBox" field line 9, by the corresponding line from a similar EPS figure (so that the bounding boxes and other parameters are the same and my figures look nice!).
I have seen how to replace a specific line with sed, such as:
Code:
sed '9s/.*/new contents/' < dummy.txt
but I would like to be able to grab the "BoundingBox" line from another file, and paste its content in the current file.
It seems like the line where this field is stays the same, but optimally I would be able to do it by looking for a field and not a line. I would like to do this with an incantation of awk/sed but I'm not very familiar with it.
Hopefully if I understand how to do it for this line I could apply it for other fields.
Thanks for the help.
Code:
%!PS-Adobe-3.0 EPSF-3.0
%%Creator: MATLAB, The Mathworks, Inc. Version 7.10.0.499 (R2010a). Operating System: Linux 2.6.32-32-generic #62-Ubuntu SMP Wed Apr 20 21:52:38 UTC 2011 x86_64.
%%Title: /home/tblum/Documents/papers/source_fracture/figs/field-all_b.eps
%%CreationDate: 06/14/2011 11:04:07
%%DocumentNeededFonts: Helvetica-Bold
%%DocumentProcessColors: Cyan Magenta Yellow Black
%%LanguageLevel: 2
%%Pages: 1
%%BoundingBox: 89 148 502 631
%%EndComments
Hi all,
I am new to UNIX, so sorry if my question seem stupid to u.
well i want to replace the first character of first 30 lines of a file, only if the first character is h.
and
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Hello
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60835287
0
51758036
40242437
0
32737144
0
24179513
0
4131489957
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645147468537
673962863160
673962864957
691717701950
707917019907
790085591726
792975507744
852174812753
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Shell : Bash
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'T_ORDER_ITEM'
'T_ORDER_ITM_PRI'
'T_ORDER_ITEM_OM'
'T_ORDER_ITEM_XA'
'T_ORDER_ATT'
'T_ORDER_ACTNSET'
'T_ORDER_XM'
'T_ORDER_X'
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Discussion started by: kraljic
7 Replies
LEARN ABOUT V7
join
JOIN(1) General Commands Manual JOIN(1)NAME
join - relational database operator
SYNOPSIS
join [ options ] file1 file2
DESCRIPTION
Join forms, on the standard output, a join of the two relations specified by the lines of file1 and file2. If file1 is `-', the standard
input is used.
File1 and file2 must be sorted in increasing ASCII collating sequence on the fields on which they are to be joined, normally the first in
each line.
There is one line in the output for each pair of lines in file1 and file2 that have identical join fields. The output line normally con-
sists of the common field, then the rest of the line from file1, then the rest of the line from file2.
Fields are normally separated by blank, tab or newline. In this case, multiple separators count as one, and leading separators are dis-
carded.
These options are recognized:
-an In addition to the normal output, produce a line for each unpairable line in file n, where n is 1 or 2.
-e s Replace empty output fields by string s.
-jn m Join on the mth field of file n. If n is missing, use the mth field in each file.
-o list
Each output line comprises the fields specifed in list, each element of which has the form n.m, where n is a file number and m is a
field number.
-tc Use character c as a separator (tab character). Every appearance of c in a line is significant.
SEE ALSO sort(1), comm(1), awk(1)BUGS
With default field separation, the collating sequence is that of sort -b; with -t, the sequence is that of a plain sort.
The conventions of join, sort, comm, uniq, look and awk(1) are wildly incongruous.
JOIN(1)