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Remove the last line from a file in Bash
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@Alex: updated for GNU sed; no idea about the various BSD/UNIX/MacOS sed versions...
– thkala
Jan 23 '17 at 21:44
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sho...
How to delete a file from SD card?
... delete file from sdcard above Android 4.4+. But the same code working for 4.3/
– hasnain_ahmad
Jul 18 '16 at 12:31
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How to use sed/grep to extract text between two words?
... Note that GNU grep's -P option does not exist in the grep included in *BSD, or the ones that come with any SVR4 (Solaris, etc). In FreeBSD, you can install the devel/pcre port which includes pcregrep, which supports PCRE (and look-ahead/behind). Older versions of OSX used GNU grep, but in OSX M...
Maximum length for MySQL type text
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side note: I think 4.3 billion characters would be more of an entire book than just a chapter ^^ Assuming 80 characters per line and 50 lines per page (both of which are pretty generous and would probably be an a4-sized book), that still equals...
$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
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XCODE 4.3 doesn't put all the autoconf etc. tools in the Developer folder. It doesn't even create that folder in MACINTOSH HD. I had to downgrade to XCODE 4.2.1 which installs everything you need in the Developer folder and now I s...
How can I have a newline in a string in sh?
...ntf '<%s>\n' "$FOO"
printf '<%s>\n' "$BAR"
There! No SYSV vs BSD echo madness, everything gets neatly printed and fully portable support for C escape sequences. Everybody please use printf now and never look back.
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Get environment variable value in Dockerfile
...s part of brew install gettext. But because of possible conflicts with the BSD build system it is "keg-only" and no symlnks are made. However, it is safe to do ln -s /usr/local/Cellar/gettext/*/bin/envsubst /usr/local/bin/ to add that one command to your PATH. (It's really the libs that are the conc...
String.format() to format double in java
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David TangDavid Tang
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How to change UIPickerView height
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This worked. 4.3. I init with frame and setframe before first appearance.
– griotspeak
May 21 '11 at 13:41
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How to check if a process id (PID) exists
... implementation details of Linux, it will fail to work on Mac, Solaris or *BSD. It may even fail on future Linux kernels. Please - use "ps" as described in other responses.
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