Re: wanted, code to get path from either filename or path\f
> Al,
>
> I am not sure if this is exactly what you are looking for, but the
> following takes a path/file spec and returns drive, path, file and
> extension.
>
> Dave
I have otherwise an include that does some of those things:
(It's also available on the FTP as words.e)
-----8<----- Cut away this line and all above ----->8-----
------------------------------------------------
---- Misc. utility functions by Gargoyle ----
---- (Anders Eurenius <c96aes at cs.umu.se>) ----
------------------------------------------------
-- min(objseq) -> obj
-- max(objseq) -> obj
-- abbrev(str a,str b)-> id/bool
-- complete(str tmp,strseq lib)-> int n
-- megs(atom x) -> str
-- spcparse(str) -> (int*int)seq:wordlimits
-- words(str) -> int
-- word(str,int) -> str
-- delword(str,int) -> str
-- split(seq s, seq delimiterlist) -> seqseq
-- splice(seqseq s, obj delimiter)-> seq
-- strhead(str s,atom brkchar) -> seq
-- strtail(str s,atom brkchar) -> seq
-- ask(str s)->bool
-- confirm(str s)->bool
-- tackon(str,str) -> str
-- pathpart(str) -> str
-- namepart(str) -> str
include slice.e
include sort.e
include get.e
include wildcard.e
include set.e
global constant MAXINT=1073741823
global sequence WSPC
constant kMG={{}}&"kMGTPE"
-- min(objseq) -> obj
global function min(sequence s)
object x
x=s[1]
for i=1 to length(s) do if compare(s[i],x)=1 then x=s[i] end if end for
return(x)
end function
-- max(objseq) -> obj
global function max(sequence s)
object x
x=s[1]
for i=1 to length(s) do if compare(s[i],x)=1 then x=s[i] end if end for
return(x)
end function
-- abbrev(str a,str b)-> id/bool
global function abbrev(sequence sa, sequence sb)
atom la,lb
la=length(sa) lb=length(sb)
if la<lb then lb=la la=1 else la=2 end if
for i=1 to lb do if sa[i]!=sb[i] then return(0) end if end for
return(la)
end function
-- complete(str,strseq)-> int n
global function complete(sequence str,sequence lib)
for i=1 to length(lib) do
if abbrev(str,lib[i])=1 then return(i) end if
end for
return(0)
end function
-- megs(atom x) -> str
global function megs(atom x)
sequence s
atom z z=1
if x<0 then s="-" x=-x else s="" end if
while x>1024 do z=z+1 x=x/1024 end while
if z=1
then return(s&sprintf("%d",floor(x)))
else return(s&sprintf("%.2f",x)&kMG[z])
end if
end function
-- spcparse(str s) -> <int*int>seq:wordlimits
global function spcparse(sequence s)
sequence lim
atom beg,l
lim={} beg=-1 l=length(s)
for i=1 to l do
if member(WSPC,s[i])!=0 and beg>-1 then lim=lim&{{beg,i-1}} beg=-1 end if
if member(WSPC,s[i]) =0 and beg=-1 then beg=i end if
end for
if beg>-1 then lim=lim&{{beg,l}} end if
return(lim)
end function
-- words(str s) -> int
global function words(sequence s)
return(length(spcparse(s)))
end function
-- word(str s, int n) -> str
global function word(sequence s,integer n)
sequence w
w=spcparse(s)
if length(w)<n then return({}) end if
return(ssub(s,w[n][1],w[n][2]))
end function
-- delword(str,int) -> str
global function delword(sequence s,integer n)
sequence w
w=spcparse(s)
if length(w)<n then return({}) end if
return(sdelete(s,w[n][1],w[n][2]+1))
end function
-- split(seq s, seq delimiters) -> seqseq
global function split(sequence s,sequence x)
sequence ix,u
ix={} u={}
for i=1 to length(x) do
ix=union(ix,sfind(s,x[i]))
end for
ix=sort(ix)
if not member(x,s[1]) then ix=0&ix end if
if not member(x,s[length(s)]) then ix=ix&MAXINT end if
for i=1 to length(ix)-1 do
u=u&{ssub(s,ix[i]+1,ix[i+1]-1)}
end for
return(u)
end function
-- splice(seqseq s, obj delimiterseq)-> seq
global function splice(sequence s,sequence x)
sequence u
atom l
u={} l=length(s)
for i=1 to l-1 do
u=u&s[i]&x
end for
u=u&s[l]
return(u)
end function
-- strhead(str s,atom brkchar) -> seq
global function strhead(sequence s,atom x)
sequence w w={}
for i=1 to length(s) do if s[i]=x then exit else w=w&s[i] end if end for
return(w)
end function
-- strtail(str s,atom brkchar) -> seq
global function strtail(sequence s,atom x)
--sequence w w={}
-- for i=length(s) to 1 by -1 do printf(1,"%s %s\n",{s[i],w}) if s[i]=x
then
exit else w=w&s[i] end if end for -- return(srev(w))
s=srev(s)
return(srev(s[1..find(x,s)-1]))
end function
-- ask(str s)->bool
global function ask(sequence s)
puts(1,s&"[y/N]\n")
return(lower(wait_key())='y')
end function
-- confirm(str s)->bool
global function confirm(sequence s)
puts(1,s&"[Y/n]\n")
return(not lower(wait_key())='n')
end function
-- tackon(str,str) -> str
function tackon(sequence s,sequence x)
integer l l=length(s)
if l=1 then s=s&":\""&x
elsif s[l]!='\\' then s=s&"\\"&x
else s=s&x
end if
return(s)
end function
-- pathpart(str) -> str
function pathpart(sequence s)
integer l
s=split(s,"\\") l=length(s)
if l<2 then s=s&"\\" else s=splice(s[l-1],"\\") end if
return(s)
end function
-- namepart(str) -> str
function namepart(sequence s)
integer l
s=split(s,"\\") l=length(s)
return(s[l])
end function
WSPC=" \t\r\n"
--
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-------------------------------------------------------------------
Anders Eurenius <c96aes at cs.umu.se> ICQ UIN:1453793
Computer Science/Engineering student at the university of Umeaa
In a world without fences, who needs Gates
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