Tuesday, June 12, 2012

TCL - Changing Working Directory - cd, pwd


Tcl also supports commands to change and display the current working directory.
These are:
cd ?dirName?
Changes the current directory to dirName (if dirName is given, or to the $HOME directory if dirName is not given. If dirName is a tilde (~cd changes the working directory to the users home directory. If dirName starts with a tilde, then the rest of the characters are treated as a login id, and cd changes the working directory to that user's $HOME.
pwd
Returns the current directory.

Example

set dirs [list TEMPDIR]
uts "[format "%-15s %-20s " "FILE" "DIRECTORY"]"
p foreach dir $dirs { catch {cd $dir}
foreach name $c_files { puts
set c_files [glob -nocomplain c*] "[format "%-15s %-20s " $name [pwd]]" }
}

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