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subj.cmd
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OS/2 REXX Batch file
|
1994-08-08
|
3KB
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79 lines
/*
* assign a WPS .SUBJECT EA to a file.
* SUBJ for help.
*/
oldsubj = ''
parse arg filename text
text = left(text,40)
text = strip(text)
filename = strip(filename)
if left(filename,1) = d2c(34) then
do
text = ''
parse arg filename
filename = substr(filename,2)
if right(filename,1) = d2c(34) then
filename = left(filename,length(filename) - 1)
end
if filename = '/?' then filename = ''
if filename \= '' then
do
call RxFuncAdd 'SysLoadFuncs', 'RexxUtil', 'SysLoadFuncs'
call SysLoadFuncs
if text = '' then
do
/* note how this obtains and displays an existing .SUBJECT EA
you can use this as a pattern for your own rexx programs that
manipulate .SUBJECT EAs */
if SysGetEA(filename,'.SUBJECT','oldsubj') = 0 then
text = oldsubj
do
if text \= '' then
say 'Current .SUBJECT: 'substr(text,5)
end
/* get input from user for new subject text */
say 'Enter new .SUBJECT (or press CTRL-C then [Enter] to abort): '
pull text
text = left(text,40)
text = strip(text)
end
if text \= '' then
do
/* build the .SUBJECT EA data in variable description.
note that variable text contains the string,
and description is prepared with essential information,
then has the string added to it. you can use this as a
pattern for writing your own rexx programs that manipulate
.SUBJECT EAs. */
description = 'FDFF'x || d2c(length(text)) || '00'x || text
/* now place the constructed EA data into the file's .SUBJECT EA */
call SysPutEA filename,'.SUBJECT',description
/* grab EA again and display for feedback to user */
call SysGetEA filename,'.SUBJECT','text'
say filename"'s subject is now: "substr(text,5)
end
else
do
/* erase the old .SUBJECT EA */
call SysPutEA filename,'.SUBJECT',''
if oldsubj \= '' then
say 'Erased 'filename"'s subject."
end
end
else
do
say 'SUBJ is a utility to set .SUBJECT EAs from the command line.'
say ''
say 'Usage: SUBJ filename text for subject'
say ' or SUBJ filename (display old subject, allows entry of new)'
say ''
say ' filename is required. If filename contains blanks, surround filename'
say ' with quote marks and do _not_ give a subject on the command line (must'
say ' be entered interactively).'
say ''
say 'Examples: SUBJ filename'
say ' SUBJ filename A most useful comment'
say ' SUBJ 'd2c(34)'a long filename'd2c(34)
end