Search Results

Search found 10355 results on 415 pages for 'shell extension'.

Page 81/415 | < Previous Page | 77 78 79 80 81 82 83 84 85 86 87 88  | Next Page >

• ERROR: Failed to build gem native extension on Mavericks

  - by Kyle Decot

  I'm attempting to run bundle in my Rails project on OSX 10.9. It fails when getting to the pg gem with this error: Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /Users/kyledecot/.rvm/rubies/ruby-2.0.0-p247/bin/ruby extconf.rb checking for pg_config... no No pg_config... trying anyway. If building fails, please try again with --with-pg-config=/path/to/pg_config checking for libpq-fe.h... yes checking for libpq/libpq-fs.h... yes checking for pg_config_manual.h... yes checking for PQconnectdb() in -lpq... yes checking for PQconnectionUsedPassword()... yes checking for PQisthreadsafe()... yes checking for PQprepare()... yes checking for PQexecParams()... yes checking for PQescapeString()... yes checking for PQescapeStringConn()... yes checking for PQescapeLiteral()... yes checking for PQescapeIdentifier()... yes checking for PQgetCancel()... yes checking for lo_create()... yes checking for pg_encoding_to_char()... yes checking for pg_char_to_encoding()... yes checking for PQsetClientEncoding()... yes checking for PQlibVersion()... yes checking for PQping()... yes checking for PQsetSingleRowMode()... yes checking for rb_encdb_alias()... yes checking for rb_enc_alias()... no checking for rb_thread_call_without_gvl()... yes checking for rb_thread_call_with_gvl()... yes checking for rb_thread_fd_select()... yes checking for rb_w32_wrap_io_handle()... no checking for PGRES_COPY_BOTH in libpq-fe.h... no checking for PGRES_SINGLE_TUPLE in libpq-fe.h... no checking for PG_DIAG_TABLE_NAME in libpq-fe.h... no checking for struct pgNotify.extra in libpq-fe.h... yes checking for unistd.h... yes checking for ruby/st.h... yes creating extconf.h creating Makefile make "DESTDIR=" compiling gvl_wrappers.c clang: warning: argument unused during compilation: '-fno-fast-math' compiling pg.c clang: warning: argument unused during compilation: '-fno-fast-math' pg.c:272:9: warning: implicit declaration of function 'PQlibVersion' is invalid in C99 [-Wimplicit-function-declaration] return INT2NUM(PQlibVersion()); ^ In file included from pg.c:48: In file included from ./pg.h:17: In file included from /Users/kyledecot/.rvm/rubies/ruby-2.0.0-p247/include/ruby-2.0.0/ruby.h:33: /Users/kyledecot/.rvm/rubies/ruby-2.0.0-p247/include/ruby-2.0.0/ruby/ruby.h:1167:21: note: instantiated from: # define INT2NUM(v) INT2FIX((int)(v)) ^ pg.c:272:9: note: instantiated from: return INT2NUM(PQlibVersion()); ^ pg.c:272:17: note: instantiated from: return INT2NUM(PQlibVersion()); ^ pg.c:375:48: error: use of undeclared identifier 'PQPING_OK' rb_define_const(rb_mPGconstants, "PQPING_OK", INT2FIX(PQPING_OK)); ^ pg.c:375:56: note: instantiated from: rb_define_const(rb_mPGconstants, "PQPING_OK", INT2FIX(PQPING_OK)); ^ pg.c:377:52: error: use of undeclared identifier 'PQPING_REJECT' rb_define_const(rb_mPGconstants, "PQPING_REJECT", INT2FIX(PQPING_REJECT)); ^ pg.c:377:60: note: instantiated from: rb_define_const(rb_mPGconstants, "PQPING_REJECT", INT2FIX(PQPING_REJECT)); ^ pg.c:379:57: error: use of undeclared identifier 'PQPING_NO_RESPONSE' rb_define_const(rb_mPGconstants, "PQPING_NO_RESPONSE", INT2FIX(PQPING_NO_RESPONSE)); ^ pg.c:379:65: note: instantiated from: rb_define_const(rb_mPGconstants, "PQPING_NO_RESPONSE", INT2FIX(PQPING_NO_RESPONSE)); ^ pg.c:381:56: error: use of undeclared identifier 'PQPING_NO_ATTEMPT' rb_define_const(rb_mPGconstants, "PQPING_NO_ATTEMPT", INT2FIX(PQPING_NO_ATTEMPT)); ^ pg.c:381:64: note: instantiated from: rb_define_const(rb_mPGconstants, "PQPING_NO_ATTEMPT", INT2FIX(PQPING_NO_ATTEMPT)); ^ 1 warning and 4 errors generated. make: *** [pg.o] Error 1 Gem files will remain installed in /Users/kyledecot/.rvm/gems/ruby-2.0.0-p247@skateboxes/gems/pg-0.17.0 for inspection. Results logged to /Users/kyledecot/.rvm/gems/ruby-2.0.0-p247@skateboxes/gems/pg-0.17.0/ext/gem_make.out An error occurred while installing pg (0.17.0), and Bundler cannot continue. Make sure that `gem install pg -v '0.17.0'` succeeds before bundling.

  Read the article

• ERROR: Failed to build gem native extension (mysql2 on rails 3.2.3)

  - by Ryan Arneson

  I'm trying to install the mysql2 gem with Rails 3.2.3 and it's failing: ? bundle install Fetching gem metadata from https://rubygems.org/......... Using rake (0.9.2.2) Using i18n (0.6.0) Using multi_json (1.2.0) Using activesupport (3.2.3) Using builder (3.0.0) Using activemodel (3.2.3) Using erubis (2.7.0) Using journey (1.0.3) Using rack (1.4.1) Using rack-cache (1.2) Using rack-test (0.6.1) Using hike (1.2.1) Using tilt (1.3.3) Using sprockets (2.1.2) Using actionpack (3.2.3) Using mime-types (1.18) Using polyglot (0.3.3) Using treetop (1.4.10) Using mail (2.4.4) Using actionmailer (3.2.3) Using arel (3.0.2) Using tzinfo (0.3.32) Using activerecord (3.2.3) Using activeresource (3.2.3) Using bundler (1.1.3) Using coffee-script-source (1.2.0) Using execjs (1.3.0) Using coffee-script (2.2.0) Using rack-ssl (1.3.2) Using json (1.6.6) Using rdoc (3.12) Using thor (0.14.6) Using railties (3.2.3) Using coffee-rails (3.2.2) Using jquery-rails (2.0.2) Installing mysql2 (0.3.11) with native extensions Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /Users/rarneson/.rvm/rubies/ruby-1.9.3-p125/bin/ruby extconf.rb checking for rb_thread_blocking_region()... yes checking for rb_wait_for_single_fd()... yes checking for mysql_query() in -lmysqlclient... no checking for main() in -lm... yes checking for mysql_query() in -lmysqlclient... no checking for main() in -lz... yes checking for mysql_query() in -lmysqlclient... no checking for main() in -lsocket... no checking for mysql_query() in -lmysqlclient... no checking for main() in -lnsl... no checking for mysql_query() in -lmysqlclient... no checking for main() in -lmygcc... no checking for mysql_query() in -lmysqlclient... no *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. Provided configuration options: --with-opt-dir --with-opt-include --without-opt-include=${opt-dir}/include --with-opt-lib --without-opt-lib=${opt-dir}/lib --with-make-prog --without-make-prog --srcdir=. --curdir --ruby=/Users/rarneson/.rvm/rubies/ruby-1.9.3-p125/bin/ruby --with-mysql-config --without-mysql-config --with-mysql-dir --without-mysql-dir --with-mysql-include --without-mysql-include=${mysql-dir}/include --with-mysql-lib --without-mysql-lib=${mysql-dir}/lib --with-mysqlclientlib --without-mysqlclientlib --with-mlib --without-mlib --with-mysqlclientlib --without-mysqlclientlib --with-zlib --without-zlib --with-mysqlclientlib --without-mysqlclientlib --with-socketlib --without-socketlib --with-mysqlclientlib --without-mysqlclientlib --with-nsllib --without-nsllib --with-mysqlclientlib --without-mysqlclientlib --with-mygcclib --without-mygcclib --with-mysqlclientlib --without-mysqlclientlib Gem files will remain installed in /Users/rarneson/.rvm/gems/ruby-1.9.3-p125/gems/mysql2-0.3.11 for inspection. Results logged to /Users/rarneson/.rvm/gems/ruby-1.9.3-p125/gems/mysql2-0.3.11/ext/mysql2/gem_make.out An error occured while installing mysql2 (0.3.11), and Bundler cannot continue. Make sure that `gem install mysql2 -v '0.3.11'` succeeds before bundling. I'm running bundle install and this is in my Gemfile: gem 'mysql2', '~> 0.3.11' I've currently got MySQL running through MAMP. I'm not sure if this is a bad idea and I should run a vanilla MySQl but it seems my current problem is just getting the gem installed. I've seen quite a few of these problems here on stackoverflow but all seem a bit different or have really complicated solutions. Is there something I'm missing? Something simple? Something stupid? I can provide additional info from the out file if necessary. I've read that some people use SQLite for dev and test then MySQL in prod but that sounds like a pretty horrible idea.

  Read the article

• Bash Shell Scripting Errors: ./myDemo: 56: Syntax error: Unterminated quoted string [EDITED]

  - by ???

  Could someone take a look at this code and find out what's wrong with it? #!/bin/sh while : do echo " Select one of the following options:" echo " d or D) Display today's date and time" echo " l or L) List the contents of the present working directory" echo " w or W) See who is logged in" echo " p or P) Print the present working directory" echo " a or A) List the contents of a specified directory" echo " b or B) Create a backup copy of an ordinary file" echo " q or Q) Quit this program" echo " Enter your option and hit <Enter>: \c" read option case "$option" in d|D) date ;; l|L) ls $PWD ;; w|w) who ;; p|P) pwd ;; a|A) echo "Please specify the directory and hit <Enter>: \c" read directory if [ "$directory = "q" -o "Q" ] then exit 0 fi while [ ! -d "$directory" ] do echo "Usage: "$directory" must be a directory." echo "Re-enter the directory and hit <Enter>: \c" read directory if [ "$directory" = "q" -o "Q" ] then exit 0 fi done printf ls "$directory" ;; b|B) echo "Please specify the ordinary file for backup and hit <Enter>: \c" read file if [ "$file" = "q" -o "Q" ] then exit 0 fi while [ ! -f "$file" ] do echo "Usage: \"$file\" must be an ordinary file." echo "Re-enter the ordinary file for backup and hit <Enter>: \c" read file if [ "$file" = "q" -o "Q" ] then exit 0 fi done cp "$file" "$file.bkup" ;; q|Q) exit 0 ;; esac echo done exit 0 There are some syntax errors that I can't figure out. However I should note that on this unix system echo -e doesn't work (don't ask me why I don't know and I don't have any sort of permissions to change it and even if I wouldn't be allowed to) Bash Shell Scripting Error: "./myDemo ./myDemo: line 62: syntax error near unexpected token done' ./myDemo: line 62: " [Edited] EDIT: I fixed the while statement error, however now when I run the script some things still aren't working correctly. It seems that in the b|B) switch statement cp $file $file.bkup doesn't actually copy the file to file.bkup ? In the a|A) switch statement ls "$directory" doesn't print the directory listing for the user to see ? #!/bin/bash while $TRUE do echo " Select one of the following options:" echo " d or D) Display today's date and time" echo " l or L) List the contents of the present working directory" echo " w or W) See who is logged in" echo " p or P) Print the present working directory" echo " a or A) List the contents of a specified directory" echo " b or B) Create a backup copy of an ordinary file" echo " q or Q) Quit this program" echo " Enter your option and hit <Enter>: \c" read option case "$option" in d|D) date ;; l|L) ls pwd ;; w|w) who ;; p|P) pwd ;; a|A) echo "Please specify the directory and hit <Enter>: \c" read directory if [ ! -d "$directory" ] then while [ ! -d "$directory" ] do echo "Usage: "$directory" must be a directory." echo "Specify the directory and hit <Enter>: \c" read directory if [ "$directory" = "q" -o "Q" ] then exit 0 elif [ -d "$directory" ] then ls "$directory" else continue fi done fi ;; b|B) echo "Specify the ordinary file for backup and hit <Enter>: \c" read file if [ ! -f "$file" ] then while [ ! -f "$file" ] do echo "Usage: "$file" must be an ordinary file." echo "Specify the ordinary file for backup and hit <Enter>: \c" read file if [ "$file" = "q" -o "Q" ] then exit 0 elif [ -f "$file" ] then cp $file $file.bkup fi done fi ;; q|Q) exit 0 ;; esac echo done exit 0 Another thing... is there an editor that I can use to auto-parse code? I.e something similar to NetBeans?

  Read the article

• Is there any fundamental difference between piping in mac and linux?

  - by Mohammad Moghimi

  ps -e | grep bash sample output from a linux machine: 1128 pts/14 00:00:00 bash 7491 pts/7 00:00:00 bash 12651 pts/14 00:00:00 bash 16145 pts/2 00:00:00 bash sample output from a mac machine: 58352 ttys000 0:00.09 login -pfl username /bin/bash -c exec -la bash /bin/bash 58353 ttys000 0:00.02 -bash 58390 ttys000 0:00.00 grep bash 20372 ttys005 0:00.06 login -pfl username /bin/bash -c exec -la bash /bin/bash 20373 ttys005 0:00.18 -bash My question is that why we see "grep bash" in the second case but not the first case.

  Read the article

• skipping a variable using while read in bash

  - by Aleksandar Ivanisevic

  i'm reading a few variables from a file using while read a b c; do (something) done < filename is there an elegant way to skip a variable (read in an empty value), i.e. if I want a=1 b= c=3, what should I write in the file? Right now i'm putting 1 "" 3 and then use b=$(echo $b | tr -d \" ) but this is pretty cumbersome, IMHO any ideas?

  Read the article

• Do disabled Firefox extensions make Firefox slower?

  - by inothemo

  Do disabled Firefox extensions make Firefox slower? I know that extensions make browsing slower, but what about extensions that are disabled and not in use?

  Read the article

• How do I change folder timestamps recursively?

  - by MonkeyWrench32

  I was wondering if anyone knows how to change the timestamps of folders recursively based on the latest timestamp found of the files in that folder. So for example: jon@UbuntuPanther:/media/media/MP3s/Foo Fighters/(1997-05-20) The Colour and The Shape$ ls -alF total 55220 drwxr-xr-x 2 jon jon 4096 2010-08-30 12:34 ./ drwxr-xr-x 11 jon jon 4096 2010-08-30 12:34 ../ -rw-r--r-- 1 jon jon 1694044 2010-04-18 00:51 Foo Fighters - Doll.mp3 -rw-r--r-- 1 jon jon 3151170 2010-04-18 00:51 Foo Fighters - Enough Space.mp3 -rw-r--r-- 1 jon jon 5004289 2010-04-18 00:52 Foo Fighters - Everlong.mp3 -rw-r--r-- 1 jon jon 5803125 2010-04-18 00:51 Foo Fighters - February Stars.mp3 -rw-r--r-- 1 jon jon 4994903 2010-04-18 00:51 Foo Fighters - Hey, Johnny Park!.mp3 -rw-r--r-- 1 jon jon 4649556 2010-04-18 00:52 Foo Fighters - Monkey Wrench.mp3 -rw-r--r-- 1 jon jon 5216923 2010-04-18 00:51 Foo Fighters - My Hero.mp3 -rw-r--r-- 1 jon jon 4294291 2010-04-18 00:52 Foo Fighters - My Poor Brain.mp3 -rw-r--r-- 1 jon jon 6778011 2010-04-18 00:52 Foo Fighters - New Way Home.mp3 -rw-r--r-- 1 jon jon 2956287 2010-04-18 00:51 Foo Fighters - See You.mp3 -rw-r--r-- 1 jon jon 2730072 2010-04-18 00:51 Foo Fighters - Up in Arms.mp3 -rw-r--r-- 1 jon jon 6086821 2010-04-18 00:51 Foo Fighters - Walking After You.mp3 -rw-r--r-- 1 jon jon 3033660 2010-04-18 00:52 Foo Fighters - Wind Up.mp3 The folder "(1997-05-20) The Colour and The Shape" would have its timestamp set to 2010-04-18 00:52. Thanks in advance!

  Read the article

• What file format/database format does Picasa use?

  - by Raymond

  I am trying to figure out what file format the .db file and .pmp files are. I tried using db_dump (Berkeley DB) for the .db files, but it seems that they are not Berkeley DB, or of an older version. I have no idea what the .PMP files are. Directory of C:\Users\me\AppData\Local\Google\Picasa2\db3 6/09/2010 08:07 PM 303,748 imagedata_uid64.pmp 1/18/2010 10:34 PM 4,885 imagedata_unification_lhlist.pmp 6/09/2010 10:55 PM 155,752 imagedata_width.pmp 6/09/2010 10:55 PM 1,286,346,614 previews_0.db 6/10/2010 10:06 AM 467,168 previews_index.db Any help appreciated.

  Read the article

• TortoiseSVN overlay icons do not appear when installed by a different user account?

  - by Camsoft

  I've installed TortoiseSVN on my work Windows XP machine as the administrator. When I login in as a standard user my working copies do not display the overlay icons in Windows Explorer. I found this on TortoiseSVN's support pages: Did you install TortoiseSVN as a different user under WinNT/Win2K/WinXP than you are using now? Go to the settings of TSVN and activate the icon overlays for at least the fixed drives. The installer does this automatically for the current user (can't do it for other users...) but since you are using TSVN as a different user than you installed it you need to set this manually. http://tortoisesvn.net/node/97 I've checked the settings for overlay icons for the current user and the options Local and Network drives are checked. I've tried even toggling them off, applying, then on again and applying, then restarting but they still don't appear. I'm unable to install TortoiseSVN on the current user hence why I logged into the admin account. Any ideas?

  Read the article

• TortoiseSVN overlay icons do not appear when installed by a different user account?

  - by Camsoft

  I've installed TortoiseSVN on my work Windows XP machine as the administrator. When I login in as a standard user my working copies do not display the overlay icons in Windows Explorer. I found this on TortoiseSVN's support pages: Did you install TortoiseSVN as a different user under WinNT/Win2K/WinXP than you are using now? Go to the settings of TSVN and activate the icon overlays for at least the fixed drives. The installer does this automatically for the current user (can't do it for other users...) but since you are using TSVN as a different user than you installed it you need to set this manually. I've checked the settings for overlay icons for the current user and the options Local and Network drives are checked. I've tried even toggling them off, applying, then on again and applying, then restarting but they still don't appear. I'm unable to install TortoiseSVN on the current user hence why I logged into the admin account. Any ideas?

  Read the article

• Mac server default file permissions

  - by Bobby Jack

  How do I change the default file permissions for files created on a Mac server? In case it's relevant, this is a Mac Mini running Mac OS 10.6.7. It's currently used mainly as a file server, and there are several users who need to share files. These files need to be writable by all, rather than the default which is writable only by the owner. I've been trying to do something with umask and a startup script, but I'm not sure there's a startup script that will apply to connections via Finder. I also need this to apply to files created on a client (also Macs) and copied onto the server.

  Read the article

• Help with search and view using mdfind and qlmanage?

  - by Michael

  Hi, I'm trying to use mdfind and qlmanage to find and display files with quicklook. So far I have this, but am having trouble getting the results from mdfind formatted correctly to pass to qlmanage: tagSearch=$(mdfind -onlyin '/Users/username/Documents/Data' -interpret 'tag:[REFERENCE] Design' | sed -e 's/.*/\"&\" /' | perl -pe 's/\n/ /' ); qlmanage -p $tagSearch Any help would be appreciated!

  Read the article

• How to execute .sh file on Windows?

  - by sushant

  When I am trying to execute a file(name.sh) in the command line by the command ./name.sh , I am getting the error that: "." is not recognized as an internal or external command, operable or batch file please help me execute the .sh file

  Read the article

• A command before every bash command

  - by jthoenes

  Does anyone know a mean of putting a 'time' command before every command in a bash session?

  Read the article

• A command before every bash command

  - by jthoenes

  Does anyone know a mean of putting a 'time' command before every command in a bash session?

  Read the article

• How to abort robocopy on first error

  - by Yurik

  When using robocopy windows utility, what flags do I set so that robocopy aborts on the very first error it sees, similar to xcopy /dry command? I need to mirror two dirs, and on occasion some files would be locked. I do not want robocopy to continue trying to copy files, or override the files that are not locked - rather the very first error should stop the whole copy process. UPDATE: I already have the /R set to 0 - unfortunately that it only applies to a single file, NOT to the whole copying process. Hence, the first file is ignored (instead of stopping the copying), but subsequent files are copied.

  Read the article

• How come the ls command prints in multiple columns on tty but only one column everywhere else?

  - by David Lou

  Even after using Unix-like OSes for a couple years, this behaviour still baffles me. When I use the ls command in a directory that has lots of files, the output is usually nicely formatted into multiple columns. Here's an example: $ ls a.txt C.txt f.txt H.txt k.txt M.txt p.txt R.txt u.txt W.txt z.txt A.txt d.txt F.txt i.txt K.txt n.txt P.txt s.txt U.txt x.txt Z.txt b.txt D.txt g.txt I.txt l.txt N.txt q.txt S.txt v.txt X.txt B.txt e.txt G.txt j.txt L.txt o.txt Q.txt t.txt V.txt y.txt c.txt E.txt h.txt J.txt m.txt O.txt r.txt T.txt w.txt Y.txt However, if I try to redirect the output to a file, or pipe it to another command, only a single column appears in the output. Using the same example directory as above, here's what I get when I pipe ls to wc: $ ls | wc 52 52 312 In other words, wc thinks there are 52 lines, even though the output to the terminal has only 5. I haven't observed this behaviour in any other command. Would you like to explain this to me?

  Read the article

• user crontabs don't work, only /etc/crontab

  - by gletscher

  Hi when I use the command crontab -e to set up cron, the commands get triggered (according to syslog) but nothing happens. Also if I run sudo crontab -e. The only way to actually get cron working is to manually etc /etc/crontab I'm confused, since syslog gives me the same output for both methods. Any ideas for tracing down this bug? Thanks alot!

  Read the article

• Can I shorten my directory commands in ubuntu?

  - by Spencer Cooley

  When working on a rails app I like to open all of my files through the command line like so cd my_app gedit app/views/user/show.html.erb Is there a way that I could shorten this so that I could just write something like gedit user_views/show.html.erb ? I would like the console to stay in the main directory, I just don't like having to type out app/controller/user_controler.rb every time I want to open the user controller. I know that I could just open the file with my mouse, but I feel like moving from keyboard to mouse breaks my focus a little bit. When I can just tap away at the keyboard it seems like I have a more smooth workflow.

  Read the article

• Sudoers file permissions

  - by twigg

  I'm trying to run the following command without the need for sudo: echo 1 | sudo tee -a /sys/block/$hd/device/delete The $hd variable changes dynamically from sdb - sdi for each one of my HDD's in my drive bay. I added the following line to the sudoers file: operator ALL=/sys/block/sdb/device/delete But this didn't make a difference its still asking for sudo password even if I run: echo 1 | sudo tee -a /sys/block/sdb/device/delete

  Read the article

• Newbie: get access privilege

  - by Mellon

  I am newbie on Linux Ubuntu machine. I logged in to the Ubuntu with username: student. There are some directories only allowed root user to access, for example /var/lib/mysql ,(I know I can use sudo to access but it is not what I want). If I want to get the access privilege on those directories with student account, is it so that I can run the following command : chown student: PATH_TO_ROOT_USER_PRIVILEGED_DIR and after that, I can access that directory by using my own account ? am I right? If I am right, then will root user lose the access privilege because I changed it to student user? If I am wrong, please tell me the right solution. P.S. please don't concern on what I am going to do on /var/lib/mysql directory, that is only my example, as I mentioned above, I mean generally *for those directories which only have root privilege*, can I use chown to change access privilege and will root user then loose the access because of the change made by chown ? I just wanna know the effect of chown.

  Read the article

• Bash script 'while read' loop causes 'broken pipe' error when run with GNU Parallel

  - by Joe White

  According to the GNU Parallel mailing list this is not a GNU Parallel-specific problem. They suggested that I post my problem here. The error I'm getting is a "broken pipe" error, but I feel I should first explain the context of my problem and what causes this error. It happens when trying to use any bash script containing a 'while read' loop in GNU Parallel. I have a basic bash script like this: #!/bin/bash # linkcheck.sh while read domain do host "$domain" done Assume that I want to pipe in a large list (250mb say). cat urllist | ./linkcheck.sh Running host command on 250mb worth of URLs is rather slow. To speed things up I want to break up the input into chunks before piping it and then run multiple jobs in parallel. GNU Parallel is capable of doing this. cat urllist | parallel --pipe -j0 parallel ./linkcheck.sh {} {} is substituted by the contents of urllist line-by-line. Assume that my systems default setup is capable of running 500ish jobs per instance of parallel. To get round this limitation we can parallelize Parallel itself: cat urllist | parallel -j10 --pipe parallel -j0 ./linkcheck.sh {} This will run 5000'ish jobs. It will also, sadly, cause the error "broken pipe" (bash FAQ). Yet the script starts to work if I remove the while read loop and take input directly from whatever is fed into {} e.g., #!/bin/bash # linkchecker.sh domain="$1" host "$1" Why will it not work with a while read loop? Is it safe to just turn off the SIGPIPE signal to stop the "broken pipe" message, or will that have side effects such as data corruption? Thanks for reading.

  Read the article

• Writing a script for ash?

  - by rumtscho

  My VPN is behaving funny sometimes, and I have to restart it often. I wanted to write a script which does that for me. It doesn't have to be anything fancy, just a shortcut for the commands I have to type into the terminal. More specifically: it will look at the running processes. If it finds a running vpnc process, it will kill it. Then it will start vpnc. I've written bash scripts of similar complexity, but now I don't have a bash, only an ash. Until now, the only difference I noticed is that there are much less commands available, but then, I don't use it very often. So I have some questions. Is writing ash scripts different than writing bash scripts? Is there something specific to consider when doing it? When the script is ready, how can I deploy it? For bash, I just put the executable file under /usr/lib and run it by typing the file name into the command line, will this work with ash? Are there any special pitfalls to watch out for in the script I want to write? I think that the killing process part may get hairy, if I write something that kills the wrong process, but even then running the script shouldn't break anything permanently, right?

  Read the article

• How to hide all filenames during thumbnail view? Windows 7

  - by Saebin

  When you use the right click 'View - Hide file names' option it really only works on preset file extensions.... which is not really helpful when you have extensions with thumbnails windows isn't set to hide (ie, flv files). Not only that, you may have other files mixed in with media files that aren't hidden either (exe, zip, etc). Is there some way to hide all file names or add additional extensions to hide?

  Read the article

• Removing duplicate files, keeping only the newest file

  - by pinkie_d_pie_0228

  I'm trying to clean up a photo dump folder, in which several files are duplicated but with different filenames or lost in subfolders. I've looked at tools like rmlint, duff and fdupes, but I can't seem to find a way to have them keep only the file with the most recent timestamp. I suspect I have to postprocess the results, but I don't even know where to start to do this. Can anyone guide me on how to get the duplicate files list and delete everything but the newest file?

  Read the article

< Previous Page | 77 78 79 80 81 82 83 84 85 86 87 88  | Next Page >