until Loop – linux shell program
until Loop – linux shell program
- Until loops repeat statements until the next Unix command is successful.
 
For example:
 #!/bin/sh
 x=1
 until [ $x -gt 3 ]; do
 echo x = $x
 x=`expr $x + 1`
 done

For example:
 #!/bin/sh
 x=1
 until [ $x -gt 3 ]; do
 echo x = $x
 x=`expr $x + 1`
 done
