Replacing certain positions in lines with spaces Post: 303004777

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

need help in replacing spaces in a file

hi all this is the part i am facing a problem eg data: filename : tr1 + T 40 this is a sample record in that file ... the value of T can be anything, but will be a single character. i need to cut from field two, and i am using this command cut -d " " -f2 tr1 >tr3 and the o/p is ...

2. UNIX for Dummies Questions & Answers

Exclude lines which have blanks at certain positions

Hi All, I am getting a input file which doesnt have a field seperator. The file is being sorted on certain positions say from 0.55 to 0.59. If there are any blanks from 0.55 to 0.59 they will be listed as first set of records. I am not sure abt the number of records which will have blanks at...

3. UNIX for Dummies Questions & Answers

Replacing the Spaces

Hi, i have a tab dilimeted file.The records are :header is having column names.I am facing the following issue : I want to convert the spaces only for header file into "_" in the unix shell but the problem is that if i use sed command all the blank spaces are getting replaced by "_". For...

4. Shell Programming and Scripting

awk modifying entries on 2 lines at 2 positions

Hi this script adds text in the correct place on one line only, in a script. awk 'BEGIN{ printf "Enter residue and chain information: " getline var < "-" split(var,a) } /-s rec:/{$7=a; } {print}' FLXDOCK but I need the same info added at position 7 on line 34 and...

5. Shell Programming and Scripting

trim spaces and replacing value

Hi, I have a file origFile.txt with values: origFile.txt .00~ 145416.02~ xyz~ ram kishor ~? ~ ~783.9 .35~ 765.76~ anh reid~ kelly woodburg ~nancy ~ ~? Now each row in the file has value for 7 columns with "~" as delimiter. The requirement was i)I need to erase the blank spaces between...

6. Shell Programming and Scripting

Replacing the new character with spaces

Hi Experts, We are facing some while loading the "csv" file to target table.Some of the records are having values as : Account number,Name,Address "123","XYZ","302 Street,Washington,US" "456","PQR"," 3233 Some Street, Washington,US" In the above file instead reading only two records it...

7. Shell Programming and Scripting

awk script replace positions if certain positions equal prescribed value

I am attempting to replace positions 44-46 with YYY if positions 48-50 = XXX. awk -F "" '{if (substr($0,48,3)=="XXX") $44="YYY"}1' OFS="" $filename > $tempfile But this is not working, 44-46 is still spaces in my tempfile instead of YYY. Any suggestions would be greatly appreciated.

8. Shell Programming and Scripting

Replacing tabs with spaces

I want my program to replace tabs with spaces.1tab=4spaces.When i write aa(tab)aaa(tab)(tab)a(tab) it must show me aaxxaaaxxxxxaxxx. I think that my program works corectly but when a write aaa(tab)a it must show aaaxa but it is aaaxxxxxa.Please for help!!! That is my code: #include <stdio.h> ...

9. Shell Programming and Scripting

Filter lines based on values at specific positions

hi. I have a Fixed Length text file as input where the character positions 4-5(two character positions starting from 4th position) indicates the LOB indicator. The file structure is something like below: 10126Apple DrinkOmaha 10231Milkshake New Jersey 103 Billabong Illinois ...

LEARN ABOUT ULTRIX

ppmtopgm

ppmtopgm(1)						      General Commands Manual						       ppmtopgm(1)

NAME

       ppmtopgm - convert a portable pixmap into a portable graymap

SYNOPSIS

       ppmtopgm [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as  input.  Produces a portable graymap as output.  The output is a "black and white" rendering of the original
       image, as in a black and white photograph.  The quantization formula used is .299 r + .587 g + .114 b.

       Note that although there is a pgmtoppm program, it is not necessary for simple conversions from pgm to ppm , because any  ppm  program  can
       read  pgm  (and	pbm  ) files automatically.  pgmtoppm is for colorizing a pgm file.  Also, see ppmtorgb3 for a different way of converting
       color to gray.  And ppmdist generates a grayscale image from a color image, but in a way that makes it easy to differentiate  the  original
       colors, not necessarily a way that looks like a black and white photograph.

QUOTE

       Cold-hearted orb that rules the night
       Removes the colors from our sight
       Red is gray, and yellow white
       But we decide which is right
       And which is a quantization error.

SEE ALSO

       pgmtoppm(1),ppmtorgb3(1),rgb3toppm(1),ppmdist(1),ppm(5),pgm(5)

AUTHOR

       Copyright (C) 1989 by Jef Poskanzer.

								   10 April 2000						       ppmtopgm(1)