36 lines
857 B
Plaintext
36 lines
857 B
Plaintext
subroutine unpackpfx(ng,call1)
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character*12 call1
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character*3 pfx
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if(ng.lt.60000) then
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! Add-on prefix of 1 to 3 characters
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n=ng
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do i=3,1,-1
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nc=mod(n,37)
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if(nc.ge.0 .and. nc.le.9) then
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pfx(i:i)=char(nc+48)
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else if(nc.ge.10 .and. nc.le.35) then
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pfx(i:i)=char(nc+55)
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else
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pfx(i:i)=' '
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endif
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n=n/37
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enddo
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call1=pfx//'/'//call1
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if(call1(1:1).eq.' ') call1=call1(2:)
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if(call1(1:1).eq.' ') call1=call1(2:)
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else
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! Add-on suffix, one character
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i1=index(call1,' ')
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nc=ng-60000
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if(nc.ge.0 .and. nc.le.9) then
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call1=call1(:i1-1)//'/'//char(nc+48)
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else if(nc.ge.10 .and. nc.le.35) then
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call1=call1(:i1-1)//'/'//char(nc+55)
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endif
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endif
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return
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end subroutine unpackpfx
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