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Top Forums Shell Programming and Scripting How to loop through space separated values? Post 302582309 by kchinnam on Thursday 15th of December 2011 01:10:18 PM
Old 12-15-2011
I am using KSH version M-11/16/88i. Following command works only when there are no quotes around variables. I don't think I can use it in my case..

Quote:
$>
set -- "aaa bbbb cccc"; for w; do printf 'var=%s\n' "$w"; done
var=aaa bbbb cccc
Quote:
By the way, what exactly are you trying to achieve?
I am trying to process sets of files[ file1 file2 ..] [ passed as a arguments from first loop, and process each file in second loop.

Code:
SAP_A='/<folderA>/SapRFCLogs_A.*'   # This will resolve to few files
SAP_B='/<folderB>/SapRFCLogs_B.*'    # This will resolve to few files

set -A RFC_Fldrs "SAP_A" "SAP_B"

for file in "${RFC_Fldrs[@]}"
do
        vTemp=$(eval echo \$$file)   # this will pass underlying array variable values to vTemp.
       
        # This line will go into function call once command works..<functioncall> <$vTemp>
         echo $vTemp | while IFS=" " read file1; do echo $file1; done     # Why this IFS=" " does not work here!
done

About other solutions with code more than 3 lines.
I can't believe we have to reinvent the wheel for such a simple task by writing 25 lines of code.. I will be ashamed of using Shells..

Last edited by kchinnam; 12-15-2011 at 02:19 PM.. Reason: formatted for easy reading
 

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merge(1)						      General Commands Manual							  merge(1)

NAME
merge - three-way file merge SYNOPSIS
file1 file2 file3 DESCRIPTION
combines two files that are revisions of a single original file. The original file is file2, and the revised files are file1 and file3. identifies all changes that lead from file2 to file3 and from file2 to file1, then deposits the merged text into file1. If the option is used, the result goes to standard output instead of file1. An overlap occurs if both file1 and file3 have changes in the same place. prints how many overlaps occurred, and includes both alterna- tives in the result. The alternatives are delimited as follows: lines in file1 lines in file3 If there are overlaps, edit the result in file1 and delete one of the alternatives. This command is particularly useful for revision control, especially if file1 and file3 are the ends of two branches that have file2 as a common ancestor. EXAMPLES
A typical use for is as follows: 1. To merge an RCS branch into the trunk, first check out the three different versions from RCS (see co(1)) and rename them for their revision numbers: 5.2, 5.11, and 5.2.3.3. File 5.2.3.3 is the end of an RCS branch that split off the trunk at file 5.2. 2. For this example, assume file 5.11 is the latest version on the trunk, and is also a revision of the "original" file, 5.2. Merge the branch into the trunk with the command: 3. File 5.11 now contains all changes made on the branch and the trunk, and has markings in the file to show all overlapping changes. 4. Edit file 5.11 to correct the overlaps, then use the command to check the file back in (see ci(1)). WARNINGS
uses the ed(1) system editor. Therefore, the file size limits of ed(1) apply to AUTHOR
was developed by Walter F. Tichy. SEE ALSO
diff3(1), diff(1), rcsmerge(1), co(1). merge(1)
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