add shell escape

README.md

@@ -52,6 +52,8 @@ then also the configuration can be displayed by entering `c`.
 - `k` : define target kanban file (for direct edition, and new items)
 - `ek` : directly edit the target kanban file with the text editor
 - `ec` : directly edit the configuration file with the text editor
+- `!` : execute arguments with shell, `/bin/sh -c` by default
+    (set `myshell` variable in source to `echo` to deactivate this)
 
 In the list above, "N" is a number from the last displayed selection list;
 if none is given, the script asks for one. The numbers are not attributed
@@ -208,7 +210,7 @@ Just hitting RETURN at the prompt shows the help/usage page:
 
     |<
     ./clikan.sh : command line kanban
-      (2019-12-11/HB9KNS)
+      (2019-12-12/HB9KNS)
     configuration file: /home/username/.clikanconf
     for help about commands, just hit RETURN
     to show configuration, enter 'c'
@@ -240,4 +242,4 @@ We want to see the configuration, then quit:
 
 ---
 
-*2019-12-11/HB9KNS,Y.Bonetti*
+*2019-12-12/HB9KNS,Y.Bonetti*

clikan.sh

@@ -1,12 +1,13 @@
 #!/bin/sh
 # clikan.sh -- CLI Kanban
-ver='2019-12-11/HB9KNS'
+ver='2019-12-12/HB9KNS'
 
 conf="${CLIKANCONF:-$HOME/.clikanconf}"
 defkanban="$HOME/clikanban.md"
 editor="${CLIKANEDIT:-$VISUAL}"
 editor="${editor:-$EDITOR}"
 editor="${editor:-ed}"
+myshell='/bin/sh -c'
 
 tmpf=`mktemp -t clikanXXXXXX` || tmpf=${TMPDIR:-/tmp}/clikan$$`date +%S%M%d`
 : >$tmpf
@@ -169,6 +170,7 @@ command keys:
  do N: put card N into doing state
  ec: directly edit config file -- DANGER!
  ek: directly edit kanban file -- DANGER!
+ !: execute arguments with "$myshell"
 EOH
   ;;
 esac
@@ -180,6 +182,10 @@ showprompt
 while read com coa1 coa2 coa3 coar
 do case $com in
 q*) break ;;
+!) echo
+  $myshell ${com#!} $coa1 $coa2 $coa3 $coar
+  echo
+  echo welcome back ;;
 d) showall doing ;;
 w) showall waiting/todo/backlog ;;
 a) showall archived/done ;;