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Full Discussion: Variables
Top Forums UNIX for Dummies Questions & Answers Variables Post 302967841 by RudiC on Monday 29th of February 2016 07:14:51 AM
Old 02-29-2016
The command given Cat file1, file2, file3 >> file4 will fail for two reasons:
Code:
Cat: command not found
cat file1, file2, file3 
cat: file1,: No such file or directory
cat: file2,: No such file or directory

The phenomenon that you describe is due to a non-standard *nix text file, which NEEDS a terminating newline char which is obviously missing in your files. You can combine the files as desired but with additional efforts.

The Export and Echo commands won't work for the same reason as Cat above - leading upper case. Question is why there are no error messages.
Lower case should work:
Code:
echo $ var1. 
$ var1.

If you want the variable expanded, remove the space after the $ sign.
 

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MERGE(1)						      General Commands Manual							  MERGE(1)

NAME
merge - three-way file merge SYNOPSIS
merge [ options ] file1 file2 file3 DESCRIPTION
merge incorporates all changes that lead from file2 to file3 into file1. The result ordinarily goes into file1. merge is useful for com- bining separate changes to an original. Suppose file2 is the original, and both file1 and file3 are modifications of file2. Then merge combines both changes. A conflict occurs if both file1 and file3 have changes in a common segment of lines. If a conflict is found, merge normally outputs a warning and brackets the conflict with and lines. A typical conflict will look like this: file A lines in file A ======= lines in file B file B If there are conflicts, the user should edit the result and delete one of the alternatives. OPTIONS
-A Output conflicts using the -A style of diff3(1), if supported by diff3. This merges all changes leading from file2 to file3 into file1, and generates the most verbose output. -E, -e These options specify conflict styles that generate less information than -A. See diff3(1) for details. The default is -E. With -e, merge does not warn about conflicts. -L label This option may be given up to three times, and specifies labels to be used in place of the corresponding file names in conflict reports. That is, merge -L x -L y -L z a b c generates output that looks like it came from files x, y and z instead of from files a, b and c. -p Send results to standard output instead of overwriting file1. -q Quiet; do not warn about conflicts. -V Print version number. DIAGNOSTICS
Exit status is 0 for no conflicts, 1 for some conflicts, 2 for trouble. IDENTIFICATION
Author: Walter F. Tichy. Manual Page Revision: ; Release Date: . Copyright (C) 1982, 1988, 1989 Walter F. Tichy. Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995 Paul Eggert. SEE ALSO
diff3(1), diff(1), rcsmerge(1), co(1). BUGS
It normally does not make sense to merge binary files as if they were text, but merge tries to do it anyway. GNU MERGE(1)
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