Macaulay2 » Documentation
Packages » Macaulay2Doc » The Macaulay2 language » system facilities » using sockets » fileLength
next | previous | forward | backward | up | index | toc

fileLength -- the length of a file

Description

The length of an open output file is determined from the internal count of the number of bytes written so far.

i1 : f = temporaryFileName() << "hi there"

o1 = /tmp/M2-29930-0/0

o1 : File
 
i2 : fileLength f

o2 = 8
 
i3 : close f

o3 = /tmp/M2-29930-0/0

o3 : File
 
i4 : filename = toString f

o4 = /tmp/M2-29930-0/0
 
i5 : fileLength filename

o5 = 8
 
i6 : get filename

o6 = hi there
 
i7 : length oo

o7 = 8
 
i8 : removeFile filename

See also

For the programmer

The object fileLength is a compiled function.

The source of this document is in /build/macaulay2-88fgJW/macaulay2-1.25.11+ds/M2/Macaulay2/packages/Macaulay2Doc/ov_system.m2:1868:0.