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Full Discussion: Comparing 2 text files & downloading a file if the last lines are different
Top Forums Shell Programming and Scripting Comparing 2 text files & downloading a file if the last lines are different Post 302807503 by RustikGaming on Tuesday 14th of May 2013 09:13:24 PM
Old 05-14-2013
Question Comparing 2 text files & downloading a file if the last lines are different
Hello I'm having a little difficulty in writing a shell script for a few simple tasks.

First I have two files "file1.txt" and "file2.txt" and I want to read and compare the last line of each file. The files look like this.

File1.txt
Quote:
major.number=7
minor.number=8
revision.number=0
build.number=696
File2.txt
Quote:
major.number=7
minor.number=8
revision.number=0
build.number=697
After comparing the two lines I would like the code to output which line has the higher number. Then depending on which file is outputted I would like to have the script download a file from a URL.

I figured out how to download a file from a URL but I couldn't figure out how to compare two lines and have them output to a variable that would then be used to determine what file to download. Thanks for listening to my ramblings. Any and all help is appreciated.
 

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LEARN ABOUT SUSE

lzdiff

XZDIFF(1)							     XZ Utils								 XZDIFF(1)

NAME

       xzcmp, xzdiff, lzcmp, lzdiff - compare compressed files

SYNOPSIS

       xzcmp [cmp_options] file1 [file2]
       xzdiff [diff_options] file1 [file2]
       lzcmp [cmp_options] file1 [file2]
       lzdiff [diff_options] file1 [file2]

DESCRIPTION

       xzcmp  and  xdiff invoke cmp(1) or diff(1) on files compressed with xz(1), lzma(1), gzip(1), or bzip2(1).  All options specified are passed
       directly to cmp or diff.  If only one file is specified, then the files compared are file1 (which must have a suffix of	a  supported  com-
       pression  format)  and  file1 from which the compression format suffix has been stripped.  If two files are specified, then they are uncom-
       pressed if necessary and fed to cmp(1) or diff(1).  The exit status from cmp or diff is preserved.

       The names lzcmp and lzdiff are provided for backward compatibility with LZMA Utils.

SEE ALSO

       cmp(1), diff(1), xz(1), gzip(1), bzip2(1), zdiff(1)

BUGS

       Messages from the cmp(1) or diff(1) programs refer to temporary filenames instead of those specified.

Tukaani 							    2009-07-05								 XZDIFF(1)
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