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> PKZIP, which originated the Zip format, was developed on MS-DOS, which did not have find(1) and grep(1), nor did it have pipes (IIRC): COMMAND.COM supported
by pcwalton 5y ago
> PKZIP, which originated the Zip format, was developed on MS-DOS, which did not have find(1) and grep(1), nor did it have pipes (IIRC):
COMMAND.COM supported find(1) in the form of DIR /S and grep(1) in the form of FIND. It also supported Unix-like pipe syntax, though because DOS wasn't multitasking it was implemented under the hood by redirecting to a temporary file and running the programs sequentially.