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Shell Programming and Scripting
awk script to compare and insert a line
Post 302260843 by replytoshishir on Friday 21st of November 2008 11:13:56 PM
11-22-2008
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1. Shell Programming and Scripting
I'm trying to insert a single character at position 11 in everyline of a file.
My input file looks like this:
456781 ~Y~12345
456782 ~N~12300
and I want my output to look like this:
45678~1 ~Y~12345
45678~2 ~N~12300
I tried the following awk code, but it's not working:... (3 Replies)
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Hi there,
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3. Shell Programming and Scripting
i need to compare three files in unix
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1 2 1
2 5 3
4 6 5
5 6
6
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Hi,
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im a newbee to unix.
I have a requirement to compare two files with awk.
file1.txt
a
b
c
d
e
file2.txt
a
b
d
e
here i want to compare each line in file1 with corresponding line in file2 and prinf the line with difference. ie to check
required result as shown below
a=a (dont... (3 Replies)
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6. Shell Programming and Scripting
Dear All,
I have a file like:
If $4=2001, a duplicated line will be inserted and $4 will be assigned value 2011; so that the new file would be:
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I have a very long line with certain patters embedded in there. I need to be able to read that line, and when it encounters that pattern, create a new line.
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I have a large file with interface records. I need to check every record that has the string "encapsulation bridge1483" and if the next line after this does not have "ip description" then I need to insert a line to add "ip description blah_blah_blah.
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hi
I am having a file like this
##############################
mod1 ( a(ll) , b(
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go(oo) , al(ll)
mm(al) , lpo(kka)
kka(oop) );
mod2 ( jj(ll) , c(
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10. Shell Programming and Scripting
Hi,
I want to insert a value (x) in the 3rd position of each line in a file like below
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a|b|c|d
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a|b|cso that output file looks like
a|b|x|c|d|1
a|b|x|c|d
a|b|x|c|d|e|1
a|b|x|cI can do that using perl as below
#!/usr/bin/perl -w
use strict;
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LEARN ABOUT DEBIAN
hdfls
HDFLS(1) General Commands Manual HDFLS(1) NAME
hdfls - list basic information about an HDF file SYNOPSIS
hdfls [-o] [-l] [-d] [-v] [-g] [-s] [-h] [-t n] hdf_file DESCRIPTION
hdfls provides general information about the tags, reference numbers, and if requested, lengths of the data elements. OPTIONS
-o display the reference numbers in ascending order. -l long format. Display more information about the file. -d Display offset and length information for each element in the file. -v verbose. Display annotation and label text, along with the format triggered by the -l flag. -g Group. List items by group. -s Special elements. Display detailed information about special elements. -d Display offset and length information for each element in the file. -h Dump DD block information. -t n Tag. Only list information about the specified tag. Must be followed by a tag number. EXAMPLES
A file called "aa.hdf" contains three items associated with a raster image; the image dimensions, a palette, and the raster image. To dis- play information about the contents of this file, the following command is used. hdfls aa.hdf The following output is displayed: aa.hdf: Image Dimensions-8: (Raster-8): (tag 200) Ref nos: 1 Image Palette-8: (Raster-8): (tag 201) Ref nos: 3 Raster Image-8: (Raster-8): (tag 202) Ref nos: 1 The following displays the same information with the length of each data element: hdfls -l aa.hdf This would result in the following information being displayed: aa.hdf: Image Dimensions-8: (Raster-8) : (tag 200) Ref no 1 4 bytes Image Palette-8: (Raster-8) : (tag 201) Ref no 3 768 bytes Raster Image-8: (Raster-8) : (tag 202) Ref no 1 120000 bytes SEE ALSO
hdf(5) October 31, 1999 HDFLS(1)