Am 04.11.15 um 19:24 schrieb Ben Finney:
The name is a mnemonic for a compound command in ‘ed’ [0], a text editor
that pre-dates extravagant luxuries like “presenting a full screen of
text at one time”.
[... lots of fun facts ...]
Here is another fun fact: The convincing UI of ed was actually so widely
applied, that even Microsoft included a similar editor into MSDOS,
called EDLIN. EDLIN, of course, was a bastardized version of ed that
could do much less and also lacked regular expressions. Needless to say
that the mighty "VIsual" editor was out 5 years before MSDOS shipped
EDLIN as the only editor...
In contrast to ed, the stream editor "sed" is used multiple times avery
day in a typical Unix session inside shell scripts to perform automated
text processing tasks, including regex replacement.
Christian
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