Test 11-file-test.p

Source of programm

# working with files

# read the whole file into a buffer

f = open( ~filename 'test/11-file-test' )

buf = newline()
f.read( ~toread buf ~numread 1000 )

println( ~msg buf )

f.close()


# read the whole file line by line

f = open( ~filename 'test/11-file-test-lines' )

for ln readlines( ~file f )
    println( ~msg ln )
end

f.close()

Standard output for 11-file-test.p

abcdefghijklmnopqrstuvwxyz

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
ccccccccccccccccccccccccccccccccccccccccccc
ddddddddddddddddddddddddddddddddddddddddddd
eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
fffffffffffffffffffffffffffffffffffffffffff
ggggggggggggggggggggggggggggggggggggggggggg
hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
lllllllllllllllllllllllllllllllllllllllllll
mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
ooooooooooooooooooooooooooooooooooooooooooo
ppppppppppppppppppppppppppppppppppppppppppp
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq
rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
sssssssssssssssssssssssssssssssssssssssssss
ttttttttttttttttttttttttttttttttttttttttttt
uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

Trace output for 11-file-test.p

005|... = open( ~filename 'test/11-file-test' )...
005|f = open( ~filename 'test/11-file-test' ):-> { 'read' : sub read(, 'seek' : sub seek(, 'close' : sub close(, '' : 154344456, 'finalize' : sub close(, 'write' : sub write(, 'flush' : sub flush( }
007|... = newline(  )...
007|buf = newline(  ):'
'
008|f{'read'}:sub read(( ~toread buf:'
' ~numread 1000 )...
008|f{'read'}:sub read(( ~toread buf:'
' ~numread 1000 ):27
010|println( ~msg buf:'abcdefghijklmnopqrstuvwxyz
' )...
012|f{'close'}:sub close((  )...
012|f{'close'}:sub close((  ):Null
017|... = open( ~filename 'test/11-file-test-lines' )...
017|f = open( ~filename 'test/11-file-test-lines' ):-> { 'read' : sub read(, 'seek' : sub seek(, 'close' : sub close(, '' : 154344456, 'finalize' : sub close(, 'write' : sub write(, 'flush' : sub flush( }
019|for ... readlines( ~file f:{ 'read' : sub read(~toread , ~numread), 'seek' : sub seek(~mode , ~offset), 'close' : sub close(), '' : 154344456, 'finalize' : sub close(), 'write' : sub write(~towrite , ~numwrite), 'flush' : sub flush() } )...
019| for ln = 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
020|  println( ~msg ln:'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' )...
019| end
019| for ...
019| for ln = 'bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb'
020|  println( ~msg ln:'bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb' )...
019| end
019| for ...
019| for ln = 'ccccccccccccccccccccccccccccccccccccccccccc'
020|  println( ~msg ln:'ccccccccccccccccccccccccccccccccccccccccccc' )...
019| end
019| for ...
019| for ln = 'ddddddddddddddddddddddddddddddddddddddddddd'
020|  println( ~msg ln:'ddddddddddddddddddddddddddddddddddddddddddd' )...
019| end
019| for ...
019| for ln = 'eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
020|  println( ~msg ln:'eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee' )...
019| end
019| for ...
019| for ln = 'fffffffffffffffffffffffffffffffffffffffffff'
020|  println( ~msg ln:'fffffffffffffffffffffffffffffffffffffffffff' )...
019| end
019| for ...
019| for ln = 'ggggggggggggggggggggggggggggggggggggggggggg'
020|  println( ~msg ln:'ggggggggggggggggggggggggggggggggggggggggggg' )...
019| end
019| for ...
019| for ln = 'hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh'
020|  println( ~msg ln:'hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh' )...
019| end
019| for ...
019| for ln = 'iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii'
020|  println( ~msg ln:'iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii' )...
019| end
019| for ...
019| for ln = 'jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj'
020|  println( ~msg ln:'jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj' )...
019| end
019| for ...
019| for ln = 'kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk'
020|  println( ~msg ln:'kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk' )...
019| end
019| for ...
019| for ln = 'lllllllllllllllllllllllllllllllllllllllllll'
020|  println( ~msg ln:'lllllllllllllllllllllllllllllllllllllllllll' )...
019| end
019| for ...
019| for ln = 'mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm'
020|  println( ~msg ln:'mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm' )...
019| end
019| for ...
019| for ln = 'nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn'
020|  println( ~msg ln:'nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn' )...
019| end
019| for ...
019| for ln = 'ooooooooooooooooooooooooooooooooooooooooooo'
020|  println( ~msg ln:'ooooooooooooooooooooooooooooooooooooooooooo' )...
019| end
019| for ...
019| for ln = 'ppppppppppppppppppppppppppppppppppppppppppp'
020|  println( ~msg ln:'ppppppppppppppppppppppppppppppppppppppppppp' )...
019| end
019| for ...
019| for ln = 'qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq'
020|  println( ~msg ln:'qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq' )...
019| end
019| for ...
019| for ln = 'rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr'
020|  println( ~msg ln:'rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr' )...
019| end
019| for ...
019| for ln = 'sssssssssssssssssssssssssssssssssssssssssss'
020|  println( ~msg ln:'sssssssssssssssssssssssssssssssssssssssssss' )...
019| end
019| for ...
019| for ln = 'ttttttttttttttttttttttttttttttttttttttttttt'
020|  println( ~msg ln:'ttttttttttttttttttttttttttttttttttttttttttt' )...
019| end
019| for ...
019| for ln = 'uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu'
020|  println( ~msg ln:'uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu' )...
019| end
019| for ...
019| for ln = 'vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv'
020|  println( ~msg ln:'vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv' )...
019| end
019| for ...
019| for ln = 'wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww'
020|  println( ~msg ln:'wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww' )...
019| end
019| for ...
019| for ln = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
020|  println( ~msg ln:'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx' )...
019| end
019| for ...
019| for ln = 'yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy'
020|  println( ~msg ln:'yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy' )...
019| end
019| for ...
019| for ln = 'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz'
020|  println( ~msg ln:'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz' )...
019| end
019| for ...
019| end # finish for loop
023| f{'close'}:sub close((  )...
023| f{'close'}:sub close((  ):Null