**** BEGIN LOGGING AT Sun Mar 25 03:00:04 2018
Mar 25 07:13:02 <Vajb> how would you use grep to search lines which contain \t (tab) more than once? (there can be n number of characters inbetween)
Mar 25 07:14:58 <Vajb> i tried "grep $(echo \t) file.txt" It works but I could not figure out how to add another tab to search with varying number of characters inbetween
Mar 25 07:48:46 <Maxdamantus> Vajb: grep '\t.*\t'
Mar 25 07:49:40 <Maxdamantus> Vajb: or for at least `n` tabs, grep '\(\t.*\)\{n\}'
Mar 25 09:46:46 <Vajb> Maxdamantus: thx, but they seem to give me false positives. Or I can not find tabs from the lines it claims to have double. My file should have single tab on everyline, but it seems to have more on some and I am having hard time spotting them.
Mar 25 09:55:44 <Maxdamantus> Vajb: try: sed '/\t.*\t/ s/\t/(&)/'
Mar 25 09:55:47 <Maxdamantus> eg
Mar 25 09:55:49 <Maxdamantus> er*
Mar 25 09:55:53 <Maxdamantus> Vajb: try: sed '/\t.*\t/ s/\t/(&)/g'
Mar 25 09:56:02 <Maxdamantus> assuming sed = gnused
Mar 25 09:56:30 <Maxdamantus> (since the `\t` syntax is a gnused extension)
Mar 25 09:57:27 <Vajb> I just though that could it be that my scandic characters are messing up grep?
Mar 25 09:57:40 <Vajb> trying sed now
Mar 25 09:58:44 <Maxdamantus> Unlikely to be messing up grep, unless you're using some extremely weird character encoding (UTF-8 and ISO/IEC 8859 encodings should be handled fine)
Mar 25 09:59:37 <Maxdamantus> Might want to do this to also avoid printing unmatched lines: sed '/\t.*\t/{ s/\t/(&)/g; t }'
Mar 25 09:59:50 <Maxdamantus> er, messed that up
Mar 25 10:00:03 <Maxdamantus> sed '/\t.*\t/{ s/\t/(&)/g; t }; d'
Mar 25 10:01:17 <Vajb> last line says "undetermined {"
Mar 25 10:01:48 <Vajb> and earlier sed command also gave false positives
Mar 25 10:03:25 <Maxdamantus> Hm, maybe busybox's sed sucks.
Mar 25 10:04:46 <Wizzup> or at least the busybox sed from many many years ago
Mar 25 10:05:05 <Maxdamantus> sed -n '/\t.*\t/ s/\t/(&)/gp'
Mar 25 10:05:15 <Maxdamantus> That one seems to work on Maemo's sed.
Mar 25 10:09:35 <Maxdamantus> Seems the issue with the brace versions is that Maemo's sed interprets '}' as a goto label.
Mar 25 10:09:50 <Maxdamantus> (so needs to be `t;`, not `t`)
Mar 25 10:10:22 * Maxdamantus is pretty sure the semicolon is unnecessary there.
Mar 25 10:16:55 <Vajb> last sed works as I wanted thanks a lot!
**** ENDING LOGGING AT Mon Mar 26 03:00:02 2018