Commands by MaxToTheMax (1)

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grep lines containing two consecutive hyphens

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The simplest way to do it. Works for me, at least. (Why are the variables being set?)

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Reuse last parameter
Reuse the last parameter of the previous command line

diff the outputs of two programs
I've been looking for this for a long time. Does anybody know how to do this in dash (POSIX shell)? An alternative version might be: $ exiftool img_1.jpg | diff -

Recursively move folders/files and preserve their permissions and ownership perfectly

Ping a range of addresses

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Make ogg file from wav file
Make ogg file from wav file


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