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authorrjohnson <rjohnson>1998-04-01 09:51:44 (GMT)
committerrjohnson <rjohnson>1998-04-01 09:51:44 (GMT)
commit066ea7fd88d49cb456f74da71dbe875e4fc0aabb (patch)
tree8fb30cb152c4dc191be47fa043d2e6f5ea38c7ba /library/demos/browse
parent13242623d2ff3ea02ab6a62bfb48a7dbb5c27e22 (diff)
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Initial revision
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+#!/bin/sh
+# the next line restarts using wish \
+exec wish "$0" "$@"
+
+# browse --
+# This script generates a directory browser, which lists the working
+# directory and allows you to open files or subdirectories by
+# double-clicking.
+#
+# SCCS: @(#) browse 1.8 96/02/16 10:49:18
+
+# Create a scrollbar on the right side of the main window and a listbox
+# on the left side.
+
+scrollbar .scroll -command ".list yview"
+pack .scroll -side right -fill y
+listbox .list -yscroll ".scroll set" -relief sunken -width 20 -height 20 \
+ -setgrid yes
+pack .list -side left -fill both -expand yes
+wm minsize . 1 1
+
+# The procedure below is invoked to open a browser on a given file; if the
+# file is a directory then another instance of this program is invoked; if
+# the file is a regular file then the Mx editor is invoked to display
+# the file.
+
+proc browse {dir file} {
+ global env
+ if {[string compare $dir "."] != 0} {set file $dir/$file}
+ if [file isdirectory $file] {
+ exec browse $file &
+ } else {
+ if [file isfile $file] {
+ if [info exists env(EDITOR)] {
+ eval exec $env(EDITOR) $file &
+ } else {
+ exec xedit $file &
+ }
+ } else {
+ puts stdout "\"$file\" isn't a directory or regular file"
+ }
+ }
+}
+
+# Fill the listbox with a list of all the files in the directory (run
+# the "ls" command to get that information).
+
+if $argc>0 {set dir [lindex $argv 0]} else {set dir "."}
+foreach i [exec ls -a $dir] {
+ .list insert end $i
+}
+
+# Set up bindings for the browser.
+
+bind all <Control-c> {destroy .}
+bind .list <Double-Button-1> {foreach i [selection get] {browse $dir $i}}