Shell Programming and Scripting

echo "$var" | grep -q 'Item'
if [ $? -eq 0 ] ; then
  echo"found it"
fi

#!/usr/bin/env rexx

/*
# @(#) s1       Demonstrate Linux rexx.
*/

subject = 'We are looking for an item in a line.'

If WORDPOS('item', subject) > 0 Then
  SAY 'Found it.'
Else
  SAY ' Cannot see item.'

exit 0

% ./s1
Found it.

#!/bin/bash -

# @(#) s1       Demonstrate rexx function emulation.

debug="echo"
debug=":"

wordpos() {
  local phrase="$1" string="$2"
  $debug " wordpos, looking for $phrase in $string"
  if [[ $string == *$phrase* ]]
  then
    return 0
  else
    return 1
  fi
}

if wordpos item "Jack and Jill"
then
  echo " Found it (unexpected!)."
fi

if wordpos item "Now here is an item embedded."
then
  echo " Found it (expected)."
fi

exit 0

% ./s2
 Found it (expected).