Example: components (Table 7.3)

#!/usr/bin/csh -f

set test = a/b/c.d

echo "the full string is:" $test

echo "extension (:e) is: " $test:e

echo "head (:h) is: " $test:h

echo "root (:r) is: " $test:r

echo "tail (:t) is: " $test:t

### output:

# the full string is: a/b/c.d

# extension (:e) is: d

# head (:h) is: a/b

# root (:r) is: a/b/c

# tail (:t) is: c.d

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