watch1.right

bash debugger. You can use this tool to debug bash shell script

(dbg-test1.sh:22):
22:	x=22
+# Test of watchpoint handling
+# 
+### Should fail since xyxxy is not defined...
+watch xyxxy
Can't set watch: no such variable xyxxy.
+info break
No breakpoints have been set.
No watch expressions have been set.
+### Test a simple breakpoint...
+eval xx=1
+watch xx
 0: ($xx)==1 arith: 0
+info break
No breakpoints have been set.
Num Type       Enb  Expression
0   watchpoint y    $xx
+# 
+# Now try enable and disable
+# 
+### Try testing enable/disable...
+en 0w
Watchpoint entry 0 already enabled so nothing done.
+L 
No breakpoints have been set.
Num Type       Enb  Expression
0   watchpoint y    $xx
No actions have been set.
+dis 0W
Watchpoint entry 0 disabled.
+L 
No breakpoints have been set.
Num Type       Enb  Expression
0   watchpoint n    $xx
No actions have been set.
+### Try deleting nonexistent watchpoint...
+delete 10w
Watchpoint entry 10 doesn't exist so nothing done.
+# 
+### Test display of watchpoints...
+watche y > 25
 1: (y > 25)==0 arith: 1
+info break
No breakpoints have been set.
Num Type       Enb  Expression
0   watchpoint n    $xx
1   watchpoint y    y > 25
+delete 0w
+info break
No breakpoints have been set.
Num Type       Enb  Expression
1   watchpoint y    y > 25
+delete 1w
+info break
No breakpoints have been set.
No watch expressions have been set.
+step 
(dbg-test1.sh:23):
23:	y=23
+watch x
 2: ($x)==22 arith: 0
+restart -B -q -L .. -x restart2.cmd dbg-test1.sh
Restarting with: -B -q -L .. -x restart2.cmd dbg-test1.sh
Watchpoint : $x changed:
  old value: '22'
  new value: ''
(bashdb:263):
263:	if (( $_Dbg_opt_linetrace )) ; then 
+# 2nd part of Restart test
+l 
263:==>if (( $_Dbg_opt_linetrace )) ; then 
264:     # No stepping.
265:     _Dbg_write_journal_eval "_Dbg_steps=-1" 
266:     BASHDB_QUIT_ON_QUIT=1
267:   else 
268:     # Set to skip over the next 4 statements
269:     _Dbg_write_journal_eval "_Dbg_steps=5" 
270:   fi
271:   set -o functrace
272:   if [[ -z $_Dbg_cmd ]] ; then 
+info break
No breakpoints have been set.
Num Type       Enb  Expression
2   watchpoint y    $x
+cont 
(dbg-test1.sh:22):
22:	x=22
+quit