I wonder if unoho meant that he did something like:
which would zero infile before executing sed. Hard to guess, though, if he's not forthcoming and specific about what he did and what error message or condition he got ... cheers, drl
Hi experts,
in my solaris 9 the file- /var/adm/messeages growin too first. by 24 hours 40MB. And always giving the below messages--
bash-2.05# tail -f messages
Nov 9 16:35:38 ME1 last message repeated 1 time
Nov 9 16:35:38 ME1 ftpd: wtmpx /var/adm/wtmpx No such file or directory
Nov 9... (7 Replies)
I have a file with 28,00,000 lines of rows in this the first 80 lines will be chunks .
I want to delete the chunks of 80 lines. I tried tail -f2799920 filename.
is there any efficient way to do this.
Thanks in advance. (7 Replies)
Input:
a
b
b
c
d
d
I need:
a
c
I know how to get this (the lines that have duplicates) :
b
d
sort file | uniq -d
But i need opossite of this. I have searched the forum and other places as well, but have found solution for everything except this variant of the problem. (3 Replies)
I have a command which prints #lines after and before the search string in the huge file
nawk 'c-->0;$0~s{if(b)for(c=b+1;c>1;c--)print r;print;c=a}b{r=$0}' b=0 a=10 s="STRING1" FILE
The file is 5 gig big.
It works great and prints 10 lines after the lines which contains search string in... (8 Replies)
Hi,
I have a big (2.7 GB) text file. Each lines has '|' saperator to saperate each columns.
I want to delete those lines which has text like '|0|0|0|0|0'
I tried:
sed '/|0|0|0|0|0/d' test.txt
Unfortunately, it scans the file but does nothing.
file content sample:... (4 Replies)
Hi All,
I have a very huge file (4GB) which has duplicate lines. I want to delete duplicate lines leaving unique lines. Sort, uniq, awk '!x++' are not working as its running out of buffer space.
I dont know if this works : I want to read each line of the File in a For Loop, and want to... (16 Replies)
Hi all,
I have a big file (about 6 millions rows) and I have to delete same occurrences, stored in a small file (about 9000 rews). I have tried this:
while read line
do
grep -v $line big_file > ok_file.tmp
mv ok_file.tmp big_file
done < small_file
It works, but is very slow.
How... (2 Replies)
Hi,
To load a big file in a table,I have a make sure that all rows in the file has same number of the columns .
So in my file if I am getting any rows which have columns not equal to 6 , I need to delete it . Delimiter is space and columns are optionally enclosed by "".
This can be ... (1 Reply)
Hi All,
I am trying to get some lines from a file i did it with while-do-loop. since the files are huge it is taking much time. now i want to make it faster.
The requirement is the file will be having 1 million lines.
The format is like below.
##transaction, , , ,blah, blah... (38 Replies)
Dear all,
I have stuck with this problem for some days.
I have a very big file, this file can not open by vi command.
There are 200 loops in this file, in each loop will have one line like this:
GWA quasiparticle energy with Z factor (eV)
And I need 98 lines next after this line.
Is... (6 Replies)
Discussion started by: phamnu
6 Replies
LEARN ABOUT DEBIAN
shprewind
SHAPELIB(1) User Commands SHAPELIB(1)NAME
shprewind - fix polygon ring orientations in ESRI shapefiles
SYNOPSIS
shprewind infile outfile
DESCRIPTION
Makes a copy of the shapefile infile to outfile and fixes the orientation of points in the rings of Polygon, PolygonZ, and PolygonM typed
shapes to conform to the shapefile specification. According to the specification, the vertices of outer rings should be oriented clockwise
on the X/Y plane, and those of inner rings counterclockwise.
Shapefiles actually consist of two files with the same basename and extensions .shp and .shx (or .SHP and .SHX) containing the shape data
and shape index respectively. The files to open are determined by first stripping any filename extension from infile and attempting to
open the files infile.shp or infile.SHP, and infile.shx or infile.SHX for the respective data and index files. The files to create from
outfile are determined by stripping any filename extension from outfile and appending .shp and .shx suffixes for the respective data and
index files.
EXIT STATUS
0 Successful program execution.
1 Missing infile or outfile arguments, failed to open shapefile infile or create shapefile outfile.
DIAGNOSTICS
The following diagnostics may be issued on stdout:
Unable to open:infile
Unable to create:outfile
count objects rewound.
AUTHORS
Frank Warmerdam (warmerdam@pobox.com) is the maintainer of the shapelib shapefile library. Joonas Pihlaja (jpihlaja@cc.helsinki.fi) wrote
this man page.
BUGS
The implementation assumes that there is at most one outer ring in each shape, that it is the first ring in a shape, and all other rings in
a shape are inner rings. Polygons inside MultiPatch shape types aren't rewound.
SEE ALSO dbfadd(1), dbfcreate(1), dbfdump(1), dbf_dump(1), shpadd(1), shpcreate(1), shpdump(1)shapelib OCTOBER 2004 SHAPELIB(1)