the input files are are provided just like you did with with your diff, except that I called them data1 and data2, and I used the shell meta-character "?" to allow expansion of those filenames.
If you are just looking at the output at a terminal, then ansifilter is not required. I used it to produce bbcode markup to paste here. There are other uses, for example if you would be including the output in an HTML email message.
Quote:
... is there a way to get the text coloured exactly in the position where the discrepancy is? Something like below ...
Nothing occurs to me off-hand, but a Google search might be useful. If I get some time, I'll look into it.
Thanks for your time DRL. Please let me know if you can crack it. I am also trying my best here.
I came across this error while running this code. Please suggest how to fix it.
Code:
$ ./newfilecompare.bash
-----
Input data files data?:
==> File1.txt <==
ABCD*DEFG~
HI*JK~
LMN*OP~
==> File2.txt <==
ABCD*DEFG~
HIH*JK~
LMN*OP~
FGH*NM~
-----
Results:
./newfilecompare.bash: line 21: colordiff: command not found
./newfilecompare.bash: line 22: ansifilter: command not found
---------- Post updated at 08:23 PM ---------- Previous update was at 01:11 PM ----------
Quote:
Originally Posted by RudiC
No surprise as you're not priniting anything. That awkneeds two files, first the result of diff -y --suppress-common-lines file[12], second the result of diff -y file[12].
Hi Rudi, This time my input being XML, the font tags gets bypassed in my html report. So firstly I converted by difference report into HTML using enscript and in the o/p all symbols "<" and ">" will be converted to underlying code.
Now I fed the HTML file to awk script, and the output was like each and every lines were appended with <font> tags(this time symbols will not be replaced as underlying code, hence they appear as actual html tags) and when you view it in the browser the whole data appears red. Is there a better way to handle this? I am so stuck here. Thank you.
Code:
awk 'FNR==NR {T[$0]; next}
$0 in T {printf "\"<font color=\"red\">\"" $0 "\"</font>\""; next} 1 ' <(cat `pwd`/editedfile.html) <(cat `pwd`/editedfile.html)
Location: Saint Paul, MN USA / BSD, CentOS, Debian, OS X, Solaris
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Hi.
The message colordiff: command not found means just that. It may be on your system, but you have not included its location into your PATH variable -- a set of locations in which the shell looks for commands. Another reason might be that it is not installed on your system. Try running the command:
Code:
which colordiff
which on my main system produces:
Code:
/usr/bin/colordiff
On a system to which I have access to, for example:
Code:
which colordiff
produces:
Quote:
/usr/bin/which: no colordiff in (/home/drl/bin:/usr/lib64/qt-3.3/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin)
because, although it is available for that system, I have not installed it from the repository. On that system:
Code:
yum info colordiff
produces:
Code:
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
* base: mirrors.gigenet.com
* centosplus: mirrors.cmich.edu
* contrib: mirror.ubiquityservers.com
* epel: ftp.osuosl.org
* extras: mirror.us.leaseweb.net
* updates: ftp.osuosl.org
Available Packages
Name : colordiff
Arch : noarch
Version : 1.0.9
Release : 3.el6
Size : 23 k
Repo : epel
Summary : Color terminal highlighter for diff files
URL : http://colordiff.sourceforge.net/
License : GPLv2+
Description : Colordiff is a wrapper for diff and produces the same output but
: with pretty syntax highlighting. Color schemes can be customized.
You have not mentioned what system you are working on, so I cannot help farther for this issue. In the worst case, the command may not be available at all for your hardware/software platform, or you may need to ask the system administrator (SA) to install it. For many Linux systems, it you are the SA, then you may be able to install it. Noting that it had been available on sourceforge, it may be able to be installed in your personal files, and used from there.
As I mentioned earlier, the ansifilter is not strictly necessary unless you intend to use the colored results other than on the terminal.
If all this is too much to take in or too much work for this task, then the other previous solutions may be a better use of your time.
I have found something which does illustrate character-level differences (insertions, deletions, replacements), but not in color. An advantage is that it is a shell script, so you would probably be able to use it easily, but no color is involved (although an enterprising person might be able to add color).
What happens if you apply my UNALTERED script to the two files that contain the results of the two diff operations?
Don't cat the input files, don't cat the diff results; awk is well able to read those results.
Hi DRL-Sorry that I missed to mention my system info. It is GNU\LINUX. And I fount that colordiff package is not present. Since I am focusing on multi-platform compatibility(UNIX/LINUX) I wouldn't able to use this command in my script. I really appreciate your help thus far
---------- Post updated at 12:16 PM ---------- Previous update was at 11:58 AM ----------
Hi Rudi- Your awk works perfect for my XML files also. But when I convert my final text file into HTML report using enscript command all symbols "<"and">" are converted to underlying code "<" and ">". This affects including font tags too(which is not desired).
Code:
<font color="red"> and </font>
Hence in the browser they appear as is. That is why I applied enscript command in 1st place and appended the file with awk so as to get the proper output like below, but this time as i mentioned earlier all the lines are effected.
Hello World, I've managed to encode the XML data(using sed replace), which helps in displaying your XML data as such in the browser, yet with proper applied HTML attributes. I hope this will be useful for others who come across such requirement. Thanks to Rudi and DRL for their code snippets.
Code:
awk 'FNR==NR {T[$0]; next}
$0 in T {printf "<font color=\"red\">" $0 "</font>"; next} 1 ' <(diff --width=220 -y --suppress-common-lines FILE[12] | sed -e "s/\(.\)\([A_Za-z0-9]*\)\(>\)\(.\)/\1\2\>\4/g" -e "s/\(.\)\([A_Za-z0-9]*\)\(>\)/\1\2\>/g" -e "s/\(<\)\([A_Za-z0-9]*\)\(.*\)/\<\2\3/g" -e "s/\(.\)\(<\)\([A_Za-z0-9]*\)\(.\)/\1\<\3\4/g") <(diff --width=$WIDTH -y FILE[12] | sed -e "s/\(.\)\([A_Za-z0-9]*\)\(>\)\(.\)/\1\2\>\4/g" -e "s/\(.\)\([A_Za-z0-9]*\)\(>\)/\1\2\>/g" -e "s/\(<\)\([A_Za-z0-9]*\)\(.*\)/\<\2\3/g" -e "s/\(.\)\(<\)\([A_Za-z0-9]*\)\(.\)/\1\<\3\4/g") | sed -r 's/([^^>])(<font>)/\1\n\2/g;s/(<\/font>)([^$>])/\1\n\2/g' > XMLTEMP1.txt
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