+++ /dev/null
-#! ./tesh
-# This file describes the usage of the Tesh variables and contains all the tests connected.
-
-# Description of this tesh suite
-D Usage of tesh variables
-
-# Declare and define the variable include-file
-! include-file=catch-signal.tesh
-
-# include the tesh file specified by the value (catch-signal.tesh) of the variable include-file
-! include $include-file
-
-# set a new value to the variable include-file
-! include-file=basic.tesh
-
-# this line throws a warning (you assign the same value to the variable)
-! include-file=basic.tesh
-
-# include the tesh file specified by the value (basic.tesh) of the variable include-file
-! include $include-file
-
-# Undefined variable
-! expect return $ESYNTAX
-< ! include-file=
-< ! include $include-file
-$ tesh --log="log.thresh:info tesh.fmt:%m%n"
-> Test unit from stdin
-> [stdin:1] Undefined variable `(include-file)'
-> Test unit `stdin': NOK (<stdin:1> syntax error)
-
-
-# A single sample of the usage of the tesh variables
-$ rm -rf temp_testdir
-$ mkdir temp_testdir
-
-$ cd temp_testdir
-
-< #include <stdlib.h>
-< #include <stdio.h>
-< int main(int argc, char* argv[]) {
-< return ( atoi(argv[1]) + atoi(argv[2]));
-< }
-$ cat > sum.c
-
-$ gcc -o sum sum.c
-
-! x=2
-! y=2
-! sum=./sum
-! rv=4
-
-! expect return $rv
-$ $sum $x $y
-
-$ cd ..
-$ rm -rf temp_testdir
-
-# set metacommand usage
-
-# This ligne add a new tesh variable DIR
-
-! set DIR=temp_testdir
-
-$ rm -rf $DIR
-
-$ mkdir $DIR
-
-$ cd $DIR
-
-$ cd ..
-
-$ rm -rf $DIR
-
-# This ligne change the value of the tesh variable DIR
-! set DIR=test_tempdir
-
-# This ligne # this line throws a warning (you assign the same value to the variable)
-! set DIR=test_tempdir
-
-
-# This ligne create a new variable CURRENT_DIR (setted with the content of the variable DIR)
-! CURRENT_DIR=$DIR
-p CURRENT_DIR is $CURRENT_DIR (same value as DIR)
-
-# This ligne use the metacommand `set' to update the content of the variable CURRENT_DIR
-! set CURRENT_DIR=temp_testdir
-p Now CURRENT_DIR is $CURRENT_DIR
-
-# This ligne unset the variable CURRENT_DIR (delete the tesh variable)
-! unset CURRENT_DIR
-p $CURRENT_DIR does not exist
-
-# This ligne displays the content of the environment variable TESH_PPID (which contains the PID of the tesh parent)
-p The Tesh parent PID is: $TESH_PPID
-
-# This ligne displays the content of the value of the system variable ENOENT
-p On this platform ENOENT is: $ENOENT
-
-# Attempt to change the content of a system variable is a syntax error
-! expect return $ESYNTAX
-< ! ENOENT=300
-< $ echo $ENOENT
-$ tesh --log="log.thresh:info tesh.fmt:%m%n"
-> Test unit from stdin
-> [stdin:1] A system variable named `(ENOENT)' already exists
-> Test unit `stdin': NOK (<stdin:1> syntax error)
-
-# Substitution usage
-
-! new=1
-
-p new is `$new ' or `${new}'
-
-p the len of new is : ${#new}
-
-! unset new
-
-p new is empty <$new> and is len is <${#new}>
-
-# display 66 and assign 66 to the value 66 of the variable new
-
-p ${new:=66}
-
-p new is `$new ' or `${new}'
-
-p the len of new is : ${#new}
-
-# display 66 and do not assign the value 69 to the variable
-
-p ${new:=69}
-
-p new is `$new ' or `${new}'
-
-p the len of new is : ${#new}
-
-! unset new
-
-# display 79 and do not assigne the value 79 to the variable
-# new is empty
-p ${new:-79}
-
-p new is `$new ' or `${new}'
-
-p the len of new is : ${#new}
-
-# display nothing and do not assigne the value 89 to the variable
-# new is empty
-p is empty ${new:+89}
-
-p new is `$new ' or `${new}'
-
-p the len of new is : ${#new}
-
-! set new=999
-
-# display 99 and do not assigne the value 99 to the variable (do not dispaly the value of new)
-# new is empty
-p is empty ${new:+99}
-
-p new is `$new ' or `${new}'
-
-p the len of new is : ${#new}
-
-! unset new
-
-# p ${new:?new is empty}
