Tcl/Cisco Lesson 24 Manipulating Text Files (Arabic Version) YouTube
Tcl Read File. Web answering myself 9 sep 2004: Web how do i read and write files in tcl slurp!
Tcl/Cisco Lesson 24 Manipulating Text Files (Arabic Version) YouTube
Using your method will read the entire contents into ram. Web tcl provides several methods to read from and write to files on disk. Instead of using gets i prefer using read function to read the whole contents of the file and then process those line by line. Set f [open input.file] while { [gets $f line] >= 0} { # do something with $line in here } close $f. If it truly is a large file you should do the following to read in only a line at a time. In the second form, the extra argument specifies how many characters to read. Trivial algorithm, but note the. Web 6 answers sorted by: } close $f finally, if you can format your file so that it is executable tcl code, the following reading method is fastest: One of the flags must be either rdonly, wronly or rdwr.
These two commands read the yaml documents found in the channel (chan), or file (path) and return a tcl list where each element represents a single document found in the input.for each document yaml scalars are converted to tcl strings, and yaml sequences and mappings to tcl. Web parsing yaml tclyaml read channel chan tclyaml read file path. Web reading a file. Set data [read $fp] if we do not provide a second parameter to the read command, it reads all data from the file until the end of the file. File attributes name?option value option value.? Set f popen input.file] set data [read $f] close $f foreach line [split $data \n. Web for files of any big size, you can read the lines one by one (though this is slightly slower than the above approach): Set f [open $filename] while {[gets $f line] >= 0} { # work with $line here. 3 it's best to write a small procedure to read the file and return its contents, and another to write the value back out. Web 6 answers sorted by: Web i have some problems to read correctly 2 files :
