Trf commands: misc.

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binio
transform
zip
bz2

7 more commands are available, not fitting into the categories of message digests or conversion:

crypt

implements the crypt function used by unix to hash the user passwords.

md5crypt

is an alternative to crypt using MD5 as its hashing algorithm.

transform

implements a general transformation. The underlying functionality is made available to the script level.

rs_ecc

A reed-solomon error correcting coder is available under the name rs_ecc. The one and only option understood is ``-mode''. It is equivalent to the option understood by the conversion commands. The coder operates on blocks of 248 characters each, therefore buffering 247 characters.

zip

A compressor based upon the zlib-library.

bz2

A compressor based upon the bzlib-library.

unstack

This command must be used to remove a conversion channel. The underlying channel is uncovered and accessible again afterward. It requires a channelhandle as its one and only argument. Its application to a normal channel (file, socket, ...) is identical to close.

binio

This command is excluded by default, as tcl 8.0 now provides equivalent functionality (See commands binary and fcopy). Inclusion requires application of the byteorder patch. See the installation manual more information.

Please note: Due to the availability of the binary command in tcl 8.x I have decided to remove the support for binio in the next release of Trf.


© Andreas Kupries
Last update at Mon Aug 20 22:52:26 PDT 2001