12-06-2013
TCL query
Hi all,
while surfing across the net, I came across these lines,
Quote:
An even better approach is to start your script files with the following three lines:
#!/bin/sh
# the next line restarts using tclsh \
exec tclsh "$0" ${1+"$@"}
In that I did not get how "
# the next line restarts using tclsh \
" . . ?
I found this on below link,
http://tmml.sourceforge.net/doc/tcl/tclsh.html
Please refer original page once.
Thanks in advance . .
- MD
Last edited by manands07; 12-06-2013 at 07:24 AM..
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tclsh(1) Tcl Applications tclsh(1)
__________________________________________________________________________________________________________________________________________________
NAME
tclsh - Simple shell containing Tcl interpreter
SYNOPSIS
tclsh ?-encoding name? ?fileName arg arg ...?
_________________________________________________________________
DESCRIPTION
Tclsh is a shell-like application that reads Tcl commands from its standard input or from a file and evaluates them. If invoked with no
arguments then it runs interactively, reading Tcl commands from standard input and printing command results and error messages to standard
output. It runs until the exit command is invoked or until it reaches end-of-file on its standard input. If there exists a file .tclshrc
(or tclshrc.tcl on the Windows platforms) in the home directory of the user, interactive tclsh evaluates the file as a Tcl script just
before reading the first command from standard input.
SCRIPT FILES
If tclsh is invoked with arguments then the first few arguments specify the name of a script file, and, optionally, the encoding of the |
text data stored in that script file. Any additional arguments are made available to the script as variables (see below). Instead of
reading commands from standard input tclsh will read Tcl commands from the named file; tclsh will exit when it reaches the end of the
file. The end of the file may be marked either by the physical end of the medium, or by the character, "