cmp.1

来自「UNIX v6源代码 这几乎是最经典的unix版本 unix操作系统设计和莱」· 1 代码 · 共 44 行

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.th CMP I 5/15/74.sh NAMEcmp \*- compare two files.sh SYNOPSIS.bd cmp[.bd \*-l] [.bd \*-s]file1 file2.sh DESCRIPTIONThe two files arecompared.(If.it file1is `\*-',the standard input is used.)Under default options,.it cmpmakes no comment if the files are the same;if they differ, it announces the byte and line numberat which the difference occurred.If one file is an initial subsequenceof the other, that fact is noted.Moreover, return code 0 is yielded for identicalfiles, 1 for different files, and 2 for aninaccessible or missing argument..s3Options:.s3.lp +6 3\fB\*-l\fR	Print the byte number (decimal) and thediffering bytes (octal) for each difference..s3.lp +6 3\fB\*-s\fR	Print nothing for differing files;return codes only..i0.dt.sh "SEE ALSO"diff (I), comm (I).sh BUGS

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