mortonspam's articles:

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find/xargs substiution 54 37 (2/14/2013 12:00:21 PM) comp.unix.shell If I want to remove all files starting with "foo" in my directory I can do: find . -name foo.* | xargs rm '{}' or use -exec. What if I want to rename them to bar.* instead of removing them? I would no... Ed

modify file with little memory left 24 39 (2/7/2013 2:18:30 PM) comp.unix.shell If I have a file that's 100G in size and I have 50G memory total left on my machine, how do I delete the first 5 lines from that file? I can't manually create a tmp file as I don't have enough memory, simi... Ed

Stop Reading Input Without EOF/nextfile/getline 17 72 (9/4/2012 8:53:43 PM) comp.lang.awk I was recently trying to answer a question and came across a problem I don't know if there is an answer to: how can you stop reading from an input stream without waiting for EOF or invoking getline or (in gaw... Ed

Timed Input 9 175 (3/9/2012 8:29:49 PM) comp.lang.awk I have a process writing multi-line records to a log file "foo.log". Each record starts with the string "START". I want to be able to tail the log file and extract records that match the text "FOO" while the lo... Ed

parsing multi-line print blocks 2 173 (1/28/2012 3:13:57 PM) comp.lang.awk The script below will parse an awk script and turn statements like this: print &2" # foo # HERE # would cause "foo" to be printed to stderr. # # 2) Within each block of pre-formatted text only: # a) P... Ed

multi-line print from awk with shell 5 85 (1/23/2012 7:55:36 PM) comp.unix.shell The script below will let you write an awk script that prints multi-line blocks of text. For example: $ epawk -v awkvar="Hello" 'BEGIN{ print "-----------" _print " a multi-line block o... Ed

printing single quotes 14 104 (1/23/2012 6:48:29 PM) comp.lang.awk I want to print the string 'a' Using \x27 for ' doesn't work as I expected: $ awk 'BEGIN{ print "\x27a\x27" }' z' because (\x27a\x27) is treated as (\x27a)(\x27) instead of (\x27)(a)(\x27). These both... Ed

passing args without eval 32 53 (1/22/2012 6:21:58 PM) comp.unix.shell Given this test script: $ cat tst.sh function sub { printf '\tsub %s\n' "$@" for subarg do printf '\t subarg = "%s"\n' "$subarg" done } function main { printf 'main %s\n' ... Ed

shell quoting around script output 40 53 (1/12/2012 6:56:51 PM) comp.unix.shell Can anyone explain exactly why the double quotes around the $(...) command invocation below don't produce the same behavior as double quotes normally do around an awk script: $ awk 'BEGIN{ print "Hello World... Ed

awk here documents 13 106 (1/11/2012 1:34:42 PM) comp.unix.shell Someone at work asked me how to use a shell here-document inside an awk script called from shell to produce some pre-formatted blocks of code (there's multiple segments that do that inside his code-generator ... Ed

mortonspam's replies:

Items(277) /28 Next >> Last >|

Deduplicate and keep latest date only - sort? awk? 58 39 (1/6/2013 7:53:46 PM) comp.unix.shell Dear All, In a dataset with an ID and a date on each line I have one or more dates per ID. I would like to keep only the most recent date. I can sort it easily but have trouble keeping only the latest date. ... wocket (11)

problem using cut with backslash delimiter 21 34 (1/10/2013 11:47:23 AM) comp.unix.shell Here is a sample of a file, example.txt, containing a few lines of data: files data=foo {} rel\path\to\01-song_name.ogg files data=bar {} rel\path\to\02-song_name.ogg files data=bas {} rel\path\to\03-song_... notvalid7402 (9)

How to sort by a key contains spaces? 15 25 (1/11/2013 2:01:22 PM) comp.unix.shell Hi all, I have a text file to sort by timestamp which is like this: 0503001 Darrin Janda 2012-12-17 22:51 0503002 Luella Baumer 2012-12-18 18:03 0503003 Alic... mobile.parmenides (11)

Confusion with grep 12 35 (1/17/2013 4:17:33 PM) comp.unix.shell Hi, I am using grep to search a file, but my results are a bit weird. The file contains email addresses, like these: abc_def@yahoo.com abc_def@yahoo.com abc.def@yahoo.com abc.def@yahoo.com abc.def@ya... artmerar1 (28)

Win Shell CMD Under Bash 7 28 (1/19/2013 5:32:36 PM) comp.unix.shell Hi. Could someone give me an example of how to execute the following Windows shell command -> for /R %b in (*) do chdman copy -i %~pnxb -o \temp%~pnb <- under bash? TIA. -- Jurai ... Jurai

modify file with little memory left 24 39 (2/7/2013 2:18:30 PM) comp.unix.shell If I have a file that's 100G in size and I have 50G memory total left on my machine, how do I delete the first 5 lines from that file? I can't manually create a tmp file as I don't have enough memory, simi... mortonspam (827)

find/xargs substiution 54 37 (2/14/2013 12:00:21 PM) comp.unix.shell If I want to remove all files starting with "foo" in my directory I can do: find . -name foo.* | xargs rm '{}' or use -exec. What if I want to rename them to bar.* instead of removing them? I would no... mortonspam (827)

How to repeat character with awk 4 26 (2/23/2013 10:06:35 AM) comp.unix.shell awk -F, 'BEGIN {print "Наименование Цена\n----- --------------------------------------------------------"} {printf "%-50s %10s\n", $2, $5} {tot+=$5 }; END {print "--------------------------------... md.kadirov (2)

Add ranks based on scores and handle ties, awk? 4 19 (3/30/2013 4:18:10 PM) comp.unix.shell Dear All, I have data in two coloumns consisting of ID-numbers and scores. I would like to add the rank on each line based on column 2, and also handle any ties in the scores. Input, sorted descending by... john.larson.666 (7)

piping to fgrep 16 21 (4/10/2013 8:34:24 AM) comp.unix.shell Is it possible to pipe to fgrep? When I tried, it replies "fgrep: can't o= pen -" The input file for the fgrep is actually $0. I grep for all the variable a= ssignments in the shell script, cut that par... jackshown (62)