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Full Discussion: help with organizing some non regular text
Top Forums Shell Programming and Scripting help with organizing some non regular text Post 302590470 by aigles on Monday 16th of January 2012 10:34:40 AM
Old 01-16-2012
You can do something like that :
Code:
$ cat lewis.ksh
cmp -l lewis_1.txt lewis_2.txt |
awk -v Q="'" '
function oct2dec(o      ,i,d){
  for(i=1;i<=length(o);++i){
    d=(8*d)+substr(o,i,1);
  }
  return d
}
{
    offset = $1;
    old    = $2;
    new    = $3;
    printf "input=" Q "\\x" Q "%x" "\n", oct2dec(new);
    printf "offset=%08X\n", offset;
    print  "patch\nunset input offset"
}
'
$ cat lewis_1.txt
abcdefghij
klmnopqrst
$ cat lewis_2.txt
aBcdEFghij
klMnopqrst
$ cmp -l lewis_1.txt lewis_2.txt
     2 142 102
     5 145 105
     6 146 106
    14 155 115
$ ./lewis.ksh
input='\x'42
offset=00000002
patch
unset input offset
input='\x'45
offset=00000005
patch
unset input offset
input='\x'46
offset=00000006
patch
unset input offset
input='\x'4d
offset=0000000E
patch
unset input offset
$

Note: My version of awk doesn't support octal and hexa specifications for numbers.

Jean-Pierre.
This User Gave Thanks to aigles For This Post:
lewisdenny
 

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LEARN ABOUT REDHAT

set_color

set_color(1)							       fish							      set_color(1)

NAME

       set_color - set_color - set the terminal color

set_color - set the terminal color
   Synopsis
       set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]

   Description
       Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
       cyan, white and normal.

       o -b, --background Set the background color

       o -c, --print-colors Prints a list of all valid color names

       o -h, --help Display help message and exit

       o -o, --bold Set bold or extra bright mode

       o -u, --underline Set underlined mode

       o -v, --version Display version and exit

       Calling set_color normal will set the terminal color to whatever is the default color of the terminal.

       Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
       font color, while set_color --bold white will result in a white font color.

       Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator.

       set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
       incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
       ncurses and recompile fish against it in order to fix this issue.

Version 1.23.1							  Sun Jan 8 2012						      set_color(1)
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