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Top Forums UNIX for Dummies Questions & Answers Checking Existence and file size of File Post 302524406 by ctsgnb on Monday 23rd of May 2011 08:50:05 AM
Old 05-23-2011
Just as additionnal info, you can go to SE30 then click "Tips & Tricks" (or press the <F6> key) then expand the "Internal Tables" Menu.
It will give you some clue about best code practice & how to efficiently deal with internal tables.

Also use the "Measure Runtime" button so that you can see what code is the most efficient.

Last edited by ctsgnb; 05-23-2011 at 09:59 AM..
 

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MKMANIFEST(1)						      General Commands Manual						     MKMANIFEST(1)

NAME
mkmanifest - create a shell script to restore Unix filenames SYNOPSIS
mkmanifest [ files ] DESCRIPTION
Mkmanifest creates a shell script that will aid in the restoration of Unix filenames that got clobbered by the MSDOS filename restrictions. MSDOS filenames are restricted to 8 character names, 3 character extensions, upper case only, no device names, and no illegal characters. The mkmanifest program is compatible with the methods used in pcomm, arc, and mtools to change perfectly good Unix filenames to fit the MSDOS restrictions. EXAMPLE
I want to copy the following Unix files to a MSDOS diskette (using the mcopy command). very_long_name 2.many.dots illegal: good.c prn.dev Capital Mcopy will convert the names to: very_lon 2xmany.dot illegalx good.c xprn.dev capital The command: mkmanifest very_long_name 2.many.dots illegal: good.c prn.dev Capital > manifest would produce the following: mv very_lon very_long_name mv 2xmany.dot 2.many.dots mv illegalx illegal: mv xprn.dev prn.dev mv capital Capital Notice that "good.c" did not require any conversion, so it did not appear in the output. Suppose I've copied these files from the diskette to another Unix system, and I now want the files back to their original names. If the file "manifest" (the output captured above) was sent along with those files, it could be used to convert the filenames. SEE ALSO
arc(1), pcomm(1), mtools(1) local MKMANIFEST(1)
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