is a collection of utilities able to deal with any combination of compressed and non-compressed files transparently. The utilities zcat, zcmp, zdiff, zgrep and ztest supports the compressors bzip2, gzip, lzip and xz.
| NEWS (zutils-1.8.tar.lz) | : | NEWS (zutils-1.9.tar.lz) |
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| Changes in version 1.8: | | Changes in version 1.9: |
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| A buffer overflow has been fixed in zcat which happened sometimes when | | zcmp anf zdiff now meet the POSIX requirement for cmp and diff that the |
| the '-v, --show-nonprinting' option was used (or indirectly enabled). | | standard input shall be used only if the file1 or file2 operand refers to |
| A canary byte has been added to the output buffer to prevent the buffer | | standard input. |
| overflow from happening again. | | |
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| The option '-R, --dereference-recursive', which recursively follows | | zdiff now passes the options '-W' and '-y' to diff. (But it only works if |
| symbolic links, has been added to zcat, zgrep, ztest and zupdate. | | the diff program used supports them). |
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| The option '-r, --recursive' now skips symlinks that are encountered | | Bzip2 and lzip files are now detected better. |
| recursively. | | ('echo LZIP | zcat' and 'echo BZh5 | zcat' no longer return an error). |
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| If no files are given to zcat, zgrep, ztest and zupdate, a recursive | | ztest now continues checking the rest of the files if any input file is a |
| search will now examine the current working directory. | | terminal. |
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| Recursive directory loops are now detected. | | 'ztest -v' now prints the number of files that failed the test (like lzip). |
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| zcat and zgrep now ignore directories given in the command line if | | zcat, zgrep, and ztest now check for errors when closing the input file in |
| '--recursive' is not specified, instead of reporting an error. | | addition to checking when closing the input from the decompressor. |
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| Extra trailing slashes are now removed from directories given in the | | Trailing data remaining in the data feeder to the decompressor are now |
| command line before recursing into them. | | correctly ignored. |
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| zcat and zgrep now show the right error when they can't open an input | | zupdate has been modified to support the new behavior of lzip 1.22's option |
| file instead of showing "No such file or directory". | | '-o' while retaining: |
| | perfect backwards compatibility with older versions of lzip down to 1.20, |
| | good backwards compatibility with older versions of lzip down to 1.11, |
| | acceptable backwards compatibility with older versions of lzip down to 1.4. |
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| Killed decompressors are now waited for, preventing failure caused by | | zupdate now keeps combined extensions: tgz, tbz, tbz2, txz --> tlz. |
| too many open pipes. | | This is useful when recompressing Slackware packages, for example. |
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| Test and document that if a file fails to decompress, zcat, zgrep and | | zupdate now puts single quotes around file names when calling zcmp to allow |
| ztest continue processing the rest of the files. | | file names with spaces. (But putting spaces in file names is a bad idea). |
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| Test and document that if an error happens while recompressing a file, | | The descriptions of zcat, zcmp, and zdiff have been improved. |
| zupdate exits immediately without recompressing the rest of the files. | | |
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| The configure script now accepts appending options to CXXFLAGS using the | | |
| syntax 'CXXFLAGS+=OPTIONS'. | | |
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| End of changes. 12 change blocks. |
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| 22 lines changed or deleted | | 24 lines changed or added |
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