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The tecla library provides UNIX and LINUX programs with interactive
command line editing facilities, similar to those of the UNIX tcsh
shell. In addition to simple command-line editing, it supports
recall of previously entered command lines, TAB completion of file
names or other tokens, and in-line wild-card expansion of filenames.
The internal functions which perform file-name completion and
wild-card expansion are also available externally for optional use
by programs.
In addition, the library includes a path-searching module. This
allows an application to provide completion and lookup of files
located in UNIX style paths. Although not built into the line
editor by default, it can easily be called from custom
tab-completion callback functions. This was originally conceived
for completing the names of executables and providing a way to look
up their locations in the user's PATH environment variable, but it
can easily be asked to look up and complete other types of files in
any list of directories.
Note that special care has been taken to allow the use of this
library in threaded programs.
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