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MakeTree.mm
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1994-06-24
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/*rx
$VER: $Id: MakeTree.mm,v 1.10 1994/06/20 01:08:07 tf Exp $
Create all directories listed in a tree file relative to a given directory.
The directory structure and a comment for each directory will be taken
from a TREE file.
This ARexx script needs the AmigaDOS commands "MakeDir", "Filenote" and
"Delete" available in your path.
Initial revision by Tobias Ferber, 21-Feb-94
*/
options results
options failat 10
/* default values */
treefile = ""
destpath = "" /* parent dir of those listed in the treefile */
tempfile = "T:MakeTreeTemp." || pragma('Id')
template = "FROM/K/A,TO/K/A,NOCREATE/S,AUTO/S"
cliopts = ""
dg = 0 /* gauge increment */
gstepN = 0
ESC = '1b'x
signal on HALT
signal on BREAK_C
signal on BREAK_D
/* parse args */
do ac=1 while ac <= arg()
av= arg(ac)
select
when upper(av) = "FROM" then do
if ac < arg() then do
ac= ac+1
treefile= arg(ac)
end
else exit bad_args('Missing Aminet TREE path/filename after' ESC'bFROM'ESC'n keyword.')
end /* FROM */
when upper(av) = "TO" then do
if ac < arg() then do
ac= ac+1
destpath= arg(ac)
if words(destpath) < 1 then destpath= pragma('D')
end
else exit bad_args('Missing destination pathname after' ESC'bTO'ESC'n keyword.')
end /* TO */
when upper(av) = "AUTO" then cliopts= cliopts || 'a'
when upper(av) = "NOCREATE" then cliopts= cliopts || 'n'
otherwise exit bad_args('Unknown keyword:' ESC'b' || av || ESC'n')
end /* select */
end /* do */
call pragma('W','N')
/* try to get missing tree filename */
if words(treefile) < 1 then do
cwd= strip(pragma('D'),'B','"')
REQUESTFILE DRAWER '"'cwd'"' TITLE '"Select a TREE file..."' NOICONS
if (rc=0) & (words(result) > 0) & (result ~= 'RESULT') then treefile= result
end
if words(treefile) < 1 then
exit bad_args("Not enough arguments for MakeTree...*nExiting...")
if ~exists(treefile) then do
REQUESTCHOICE TITLE '"MakeTree Request"',
BODY '"MakeTree failed to locate your tree file*n*n' ||,
ESC'c'ESC'b' || treefile || ESC'n'ESC'l' || '"',
GADGETS '"Exit"'
exit 10
end
/* get missing destination pathname */
if words(destpath) < 1 then do
cwd= strip(pragma('D'),'B','"')
REQUESTFILE DRAWER '"'cwd'"' TITLE '"Select a destination path..."' DRAWERSONLY NOICONS SAVEMODE
if (rc=0) & (words(result) > 0) & (result ~= 'RESULT') then destpath= result
end
if words(destpath) < 1 then
exit bad_args("Not enough arguments for MakeTree...*nExiting...")
if ~exists(destpath) & canexist(destpath) then do
REQUESTCHOICE TITLE '"MakeTree Request"',
BODY '"Destination path*n*n' ||,
ESC'c'ESC'b' || destpath || ESC'n'ESC'l*n*n' ||,
'does not exist. Shall I create it?' || '"',
GADGETS '"_Yes|_No"'
if result = '1' then call makepath(destpath)
end
if ~exists(destpath) then do
REQUESTCHOICE TITLE '"MakeTree Request"',
BODY '"Failed to locate your destination path*n*n' ||,
ESC'c'ESC'b' || destpath || ESC'n'ESC'l' || '"',
GADGETS '"Exit"'
exit 10
end
CALL init_gauge(treefile,2)
signal on ERROR
signal on IOERR
signal on FAILURE
/*signal on NOVALUE*/
signal on SYNTAX
/* open the TREE file */
if ~open('fp',treefile,'R') then do
REQUESTCHOICE TITLE '"MakeTree Request"',
BODY '"Could not open your tree file*n*n' ||,
ESC'c'ESC'b' || treefile || ESC'n'ESC'l' || '"',
GADGETS '"Exit"'
exit 10
end
do until eof('fp')
line= strip( readln('fp') )
if ( words(line) > 0 ) & ( left(line,1) ~= '#' ) & ( left(line,1) ~= ';') then do
pathname = tackon( destpath, word(line,1) )
comment = strip( delword(line,1,1) )
if ~exists(pathname) & (pos('n',cliopts) < 1) then do
if canexist(pathname) then do
call makepath(pathname)
str= "[created]"
end
else do
REQUESTCHOICE TITLE '"MakeTree Warning"',
BODY '"Illegal pathname:*n*n'ESC'c'ESC'b' || pathname || ESC'n'ESC'l"',
GADGETS '"Ignore"'
MESSAGE '"Illegal pathname:' pathname '... ignored"'
str= "[illegal]"
end
end
else str= "[exists]"
CALL step_gauge(1)
if exists(pathname) then do
if words(comment) > 0 then do
address command 'Filenote FILE' '"'pathname'"' 'COMMENT' transquote(comment)
end
MESSAGE transquote( left(pathname,30) || left(comment,40) || str )
end
CALL step_gauge(1)
end /* non-empty line */
end /* do */
call step_gauge(100)
call close('fp')
IF POS('a',cliopts) > 0 THEN MESSAGE CLOSE
exit
/**/
bad_args: PROCEDURE EXPOSE template ESC
PARSE ARG msg
REQUESTCHOICE TITLE '"MakeTree Request"',
BODY '"' || msg || '*n*n' ||,
'MakeTree args template:*n*n' ||,
ESC'c'ESC'b' || template || ESC'n'ESC'l' || '"',
GADGETS '"Okay"'
RETURN 0
/*@*/
/* translate '"' into '*"' and '*' into '**' */
transquote: procedure
parse arg s
t= s
q= max( lastpos('*',s), lastpos('"',s) )
do while q > 0
t= insert('*',t,q-1,1)
s= left(s,q-1)
q= max( lastpos('*',s), lastpos('"',s) )
end
return '"' || t || '"'
/* return the non-file part of a pathname */
pathonly: procedure
parse arg path
if (words(path) > 0) & (right(path,1) ~= ':') then do
if right(path,1) = '/' then path= left(path,length(path)-1)
if lastpos('/',path) > lastpos(':',path) then path= left(path,lastpos('/',path)-1)
else path= left(path,lastpos(':',path))
end
return path
/* concatenate the filename to the pathname and return the resulting string */
tackon: procedure
parse arg path,file
do while left(file,1) = '/'
file= substr(file,2)
path= pathonly(path)
end
if (words(path) > 0) & (right(path,1) ~= '/') & (right(path,1) ~= ':') then path= path || '/'
if (right(file,1) = '/') then file= left(file,length(file)-1)
return path || file
/* create all non-existant directories in a path */
makepath: procedure
parse arg path
if right(path,1) = '/' then path= left(path,length(path)-1)
if ~exists(path) then do
call makepath( pathonly(path) )
address command 'MakeDir NAME "'path'"'
end
return 0
/*
* return 1 if the device or volume name in given pathname exists
* or if no device or volume was present (current device)
* 0 if the device or volume name does not exist
*/
canexist: procedure
parse upper arg path
if pos(':',path) < 1 then return 1 /* current device */
call pragma('W','N')
return exists( left(path,lastpos(':',path)) )
/* stretch the blue completion bar */
step_gauge: PROCEDURE EXPOSE dg gstepN
ARG increment
gstepN= gstepN + 1
c= MIN(TRUNC(gstepN * increment * dg),100)
COMPLETE c
IF c >= 100 THEN WORKING '"done."'
RETURN 0
/* initialize the gauge increment by counting the #of steps to be performed */
init_gauge: PROCEDURE EXPOSE dg gstepN
PARSE ARG fname,steps_per_entry
dg = 0 /* gauge increment */
gstepN = 0 /* #of performed steps */
IF OPEN('fp',fname,'R') THEN DO
numentries= 0
DO UNTIL EOF('fp')
IF WORDS(READLN('fp')) > 0 THEN
numentries= numentries+1
END
WORKING '"Processing' numentries 'entries..."'
dg = 100 / (numentries * steps_per_entry)
CALL SEEK('fp',0,'B')
CALL CLOSE('fp')
END
MESSAGE CLEAR; MESSAGE OPEN
COMPLETE 0
RETURN 0
/* error/break handling */
IOERR:
ERROR:
err= rc
ESC = '1b'x
signal off ERROR
signal off IOERR
WORKING '"I/O problem trapped... Execution halted."'
MESSAGE '"I/O problem trapped... Execution halted."'
REQUESTCHOICE TITLE '"MakeTree Error Trap' err'"',
BODY '"There was a problem with external I/O in line' sigl '...*n' ||,
ESC'c'ESC'b' || ERRORTEXT(err) || ESC'n'ESC'l' || '"',
GADGETS '"I''ll better exit"'
exit
FAILURE:
NOVALUE:
SYNTAX:
err= rc
ESC = '1b'x
signal off FAILURE
signal off NOVALUE
signal off SYNTAX
WORKING '"Internal problem trapped... Execution halted."'
MESSAGE '"Internal problem trapped... Execution halted."'
REQUESTCHOICE TITLE '"MakeTree Internal Error' err'"',
BODY '"MakeTree seems to have an internal problem in line' sigl '...*n' ||,
ESC'c'ESC'b' || ERRORTEXT(err) || ESC'n'ESC'l' || '"',
GADGETS '"I''ll better exit"'
exit
HALT:
BREAK_C:
BREAK_D:
signal off HALT
signal off BREAK_C
signal off BREAK_D
WORKING '"Break signal trapped... Execution halted."'
MESSAGE '"Break signal trapped... Execution halted."'
REQUESTCHOICE TITLE '"MakeTree Break Trap"',
BODY '"Script execution halted."',
GADGETS '"Stop"'
exit