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Top Forums UNIX for Dummies Questions & Answers How to modify the cat command to highlight a chosen word? Post 302974838 by RudiC on Saturday 4th of June 2016 01:58:00 PM
Old 06-04-2016
I'm afraid, no. cat does exactly this:
Quote:
cat - concatenate files and print on the standard output
You CAN make it show some special chars, too, but that's it.

BTW, "highlighting" is quite fuzzy an action. What is "highlight"? Print in bold? in red? underlined? Do it when outputting to screen? Printing? Sending it with mail, or putting it in an HTML file? All those MAY have different mechanisms to highlight.

You could do some text modifications with e.g. sed, e.g. when outputting to a VT102 (ECMA-48) compatible terminal:

Code:
sed "s/AM0./$BOLD&$OFF/" file
000000000001AM00 1500895700000000000199
000000000001AM01 035000000000013000399820810000000P

 

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GZEXE(1)						      General Commands Manual							  GZEXE(1)

NAME
gzexe - compress executable files in place SYNOPSIS
gzexe [ name ... ] DESCRIPTION
The gzexe utility allows you to compress executables in place and have them automatically uncompress and execute when you run them (at a penalty in performance). For example if you execute ``gzexe /bin/cat'' it will create the following two files: -r-xr-xr-x 1 root bin 9644 Feb 11 11:16 /bin/cat -r-xr-xr-x 1 bin bin 24576 Nov 23 13:21 /bin/cat~ /bin/cat~ is the original file and /bin/cat is the self-uncompressing executable file. You can remove /bin/cat~ once you are sure that /bin/cat works properly. This utility is most useful on systems with very small disks. OPTIONS
-d Decompress the given executables instead of compressing them. SEE ALSO
gzip(1), znew(1), zmore(1), zcmp(1), zforce(1) CAVEATS
The compressed executable is a shell script. This may create some security holes. In particular, the compressed executable relies on the PATH environment variable to find gzip and some other utilities (tail, chmod, ln, sleep). BUGS
gzexe attempts to retain the original file attributes on the compressed executable, but you may have to fix them manually in some cases, using chmod or chown. GZEXE(1)
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