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authorRon Yorston <rmy@pobox.com>2015-07-21 22:28:09 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2015-07-21 22:28:09 +0200
commit193ba408a4fd3313b1dc2eb5eb25885cfa4363f6 (patch)
tree1062a000b0d330756ec8e88e14052d803634f2a9 /examples/mk2knr.pl
parent35ae2ccb40924efcd0fd0c873cc9e56c58851222 (diff)
downloadbusybox-193ba408a4fd3313b1dc2eb5eb25885cfa4363f6.tar.gz
less: improvements to verbose status messages
Make verbose status messages (-m/-M flags) behave more like the real `less` command: - fix display of line numbers so they're correct whether lines are being truncated (-S flag) or wrapped. - don't display total lines or percentage when lines are read from stdin: we don't have that information until we reach EOF. When we do reach EOF the additional information is displayed. - when lines are read from a file count the total number of lines so that we can display percentages. Counting lines is avoided until the information is actually needed. If the user pages to EOF the separate read pass can be avoided entirely. Fixes Bug 7586 function old new delta m_status_print 195 382 +187 safe_lineno - 35 +35 reinitialize 172 182 +10 read_lines 675 685 +10 buffer_fill_and_print 178 169 -9 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/1 up/down: 242/-9) Total: 233 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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