X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=scripts%2Fcore%2Ffunctions.sh;h=007f47462cc251ebb7211ce2f1f4caf1e1a8c7ce;hb=5857529277c4b7f0ed96932be26020f28332a05c;hp=6797708525179750e9e84c5de98e4b211c44c2de;hpb=e855cd6aa2d75a11b18c923f9c9ceed8c59ce94a;p=feisty_meow.git

diff --git a/scripts/core/functions.sh b/scripts/core/functions.sh
index 67977085..007f4746 100644
--- a/scripts/core/functions.sh
+++ b/scripts/core/functions.sh
@@ -49,6 +49,8 @@ if [ -z "$skip_all" ]; then
     return $?
   }
 
+  ##############
+
   # displays the value of a variable in bash friendly format.
   function var() {
     HOLDIFS="$IFS"
@@ -84,6 +86,8 @@ if [ -z "$skip_all" ]; then
     IFS="$HOLDIFS"
   }
 
+  ##############
+
   # when passed a list of things, this will return the unique items from that list as an echo.
   function uniquify()
   {
@@ -104,6 +108,8 @@ if [ -z "$skip_all" ]; then
     fi
   }
 
+  ##############
+
   function success_sound()
   {
     if [ ! -z "$CLAM_FINISH_SOUND" ]; then
@@ -118,6 +124,20 @@ if [ -z "$skip_all" ]; then
     fi
   }
 
+  ##############
+
+  # echoes the maximum number of columns that the terminal supports.  usually
+  # anything you print to the terminal with length less than (but not equal to)
+  # maxcols will never wrap.
+  function get_maxcols()
+  {
+    # calculate the number of columsn in the terminal.
+    local cols=$(stty size | awk '{print $2}')
+    echo $cols
+  }
+
+  ##############
+
   # checks the result of the last command that was run, and if that failed,
   # then this complains and exits from bash.  the function parameters are
   # used as the message to print as a complaint.
@@ -139,19 +159,28 @@ if [ -z "$skip_all" ]; then
     fi
   }
 
+  ##############
+
   # wraps secure shell with some parameters we like, most importantly to enable X forwarding.
   function ssh()
   {
     local args=($*)
-    save_terminal_title
     # we remember the old terminal title, then force the TERM variable to a more generic
     # version for the other side (just 'linux'); we don't want the remote side still
     # thinking it's running xterm.
+    save_terminal_title
+    # we save the value of TERM; we don't want to leave the user's terminal
+    # brain dead once we come back from this function.
+    local oldterm="$TERM"
     export TERM=linux
     /usr/bin/ssh -X -C "${args[@]}"
+    # restore the terminal variable also.
+    TERM="$oldterm"
     restore_terminal_title
   }
 
+  ##############
+
   # locates a process given a search pattern to match in the process list.
   # supports a single command line flag style parameter of "-u USERNAME";
   # if the -u flag is found, a username is expected afterwards, and only the
@@ -267,6 +296,9 @@ if [ -z "$skip_all" ]; then
     fi
   }
   
+  ##############
+
+#hmmm: holy crowbars, this is an old one.  do we ever still have any need of it?
   # an unfortunately similarly named function to the above 'ps' as in process
   # methods, but this 'ps' stands for postscript.  this takes a postscript file
   # and converts it into pcl3 printer language and then ships it to the printer.
@@ -280,9 +312,21 @@ if [ -z "$skip_all" ]; then
     done
   }
   
-#  function fix_alsa() {
-#    sudo /etc/init.d/alsasound restart
-#  }
+#hmmm: not really doing anything yet; ubuntu seems to have changed from pulseaudio in 17.04?
+  # restarts the sound driver.
+  function fix_sound_driver() {
+    # stop bash complaining about blank function body.
+    local nothing=
+#if alsa something
+#    sudo service alsasound restart
+#elif pulse something
+#    sudo pulseaudio -k
+#    sudo pulseaudio -D
+#else
+#    something else...?
+#fi
+
+  }
 
   function screen() {
     save_terminal_title