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Have: InFile2, a file of text which requires word (or phrase) substitutions.
Once upon a midnight dreary, while I pondered weak and weary,
Over many a quaint and curious volume of forgotten lore,
While I nodded, nearly napping, suddenly there came a tapping,
As of some one gently rapping, rapping at my chamber door.
''Tis some visitor,' I muttered, 'tapping at my chamber door -
Only this, and nothing more.'
Ah, distinctly I remember it was in the bleak December,
And each separate dying ember wrought its ghost upon the floor.
Eagerly I wished the morrow; - vainly I had sought to borrow
From my books surcease of sorrow - sorrow for the lost Lenore -
For the rare and radiant maiden whom the angels named Lenore -
Nameless here for evermore.
Have: InFile1, a file of word (or phrase) substitutions such as:
bleak December,frigid January
Read the text file and make substitutions.
Wherever "door" appears, change it to "window".
Wherever "rapping" appears, change it to "knocking".
Wherever "bleak December" appears, change it to "frigid January".
As a learning exercise I coded a solution using sed.