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www/eps/hpr2729/hpr2729_bash18_ex2.sh

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+#!/bin/bash
+
+#-------------------------------------------------------------------------------
+# Example 2 for Bash Tips show 18: transforming words in a string, second
+# simpler method that depends on the '-v' operator
+#-------------------------------------------------------------------------------
+
+#
+# What we'll work on and where we'll store the transformed version
+#
+phrase='Now is the time for all good men to come to the aid of the party'
+newphrase=
+
+#
+# How to transform words in the phrase
+#
+declare -A transform=([good]='bad' [men]='people' [aid]='assistance'
+    [party]='Community')
+
+#
+# Go word by word; if an element with the word as a key exists in the
+# 'transform' array replace the word by what's there.
+#
+for word in $phrase; do
+    if [[ -v transform[$word] ]]; then
+        word=${transform[$word]}
+    fi
+    newphrase+="$word "
+done
+echo "$newphrase"
+
+exit