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- /xlv1/freeware/1998.May/fileutils/3.16/fileutils-3.16.diffbuild/man
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- NNNNAAAAMMMMEEEE
- dd - convert a file while copying it
-
- SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
- dddddddd [--help] [--version] [if=file] [of=file] [ibs=bytes]
- [obs=bytes] [bs=bytes] [cbs=bytes] [skip=blocks]
- [seek=blocks] [count=blocks]
- [conv={ascii,ebcdic,ibm,block,unblock,lcase,ucase,swab,noerror,notrunc,
- sync}]
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- DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
- This documentation is no longer being maintained and may be
- inaccurate or incomplete. The Texinfo documentation is now
- the authoritative source.
-
- This manual page documents the GNU version of dddddddd. dddddddd copies
- a file (from the standard input to the standard output, by
- default) with a user-selectable blocksize, while optionally
- performing conversions on it.
-
- OOOOPPPPTTTTIIIIOOOONNNNSSSS
- Numbers can be followed by a multiplier:
- b=512, c=1, k=1024, w=2, xm=number m
-
- --_h_e_l_p
- Print a usage message on standard output and exit
- successfully.
-
- --_v_e_r_s_i_o_n
- Print version information on standard output then exit
- successfully.
-
- _i_f=_f_i_l_e
- Read from _f_i_l_e instead of the standard input.
-
- _o_f=_f_i_l_e
- Write to _f_i_l_e instead of the standard output. Unless
- _c_o_n_v=_n_o_t_r_u_n_c is given, truncate _f_i_l_e to the size
- specified by _s_e_e_k= (0 bytes if _s_e_e_k= is not given).
-
- _i_b_s=_b_y_t_e_s
- Read _b_y_t_e_s bytes at a time.
-
- _o_b_s=_b_y_t_e_s
- Write _b_y_t_e_s bytes at a time.
-
- _b_s=_b_y_t_e_s
- Read and write _b_y_t_e_s bytes at atime. Override ibs and
- obs.
-
- _c_b_s=_b_y_t_e_s
- Convert _b_y_t_e_s bytes at a time.
-
-
-
- Page 1 (printed 5/18/98)
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-
-
-
- _s_k_i_p=_b_l_o_c_k_s
- Skip _b_l_o_c_k_s ibs-sized blocks at start of input.
-
- _s_e_e_k=_b_l_o_c_k_s
- Skip _b_l_o_c_k_s obs-sized blocks at start of output.
-
- _c_o_u_n_t=_b_l_o_c_k_s
- Copy only _b_l_o_c_k_s ibs-sized input blocks.
-
- _c_o_n_v=_c_o_n_v_e_r_s_i_o_n[,_c_o_n_v_e_r_s_i_o_n...]
- Convert the file as specified by the _c_o_n_v_e_r_s_i_o_n
- arguments.
- Conversions:
-
- ascii
- Convert EBCDIC to ASCII.
-
- ebcdic
- Convert ASCII to EBCDIC.
-
- ibm Convert ASCII to alternate EBCDIC.
-
- block
- Pad newline-terminated records to size of cbs,
- replacing newline with trailing spaces.
-
- unblock
- Replace trailing spaces in cbs-sized block with
- newline.
-
- lcase
- Change uppercase characters to lowercase.
-
- ucase
- Change lowercase characters to uppercase.
-
- swab Swap every pair of input bytes. Unlike the Unix
- dd, this works when an odd number of bytes are
- read. If the input file contains an odd number of
- bytes, the last byte is simply copied (since there
- is nothing to swap it with).
-
- noerror
- Continue after read errors.
-
- notrunc
- Do not truncate the output file.
-
- sync Pad every input block to size of ibs with trailing
- NULs.
-
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- Page 2 (printed 5/18/98)
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