time curl -s “http:\/\/g33kinfo.com?[1-1000]” <\/p>\n
real\t0m0.017s
\nuser\t0m0.006s
\nsys\t0m0.006s<\/p>\n
and another one from bashcurescancer\/com <\/p>\n
\n #!\/bin\/bash\n# Author: see http:\/\/bashcurescancer.com\/improve-this-script-win-100-dollars.html\n# Modified and extended by \"Chris F.A. Johnson\", 2007-02-25 \n# Web site: http:\/\/cfaj.freeshell.org\n\n## Features:\n## Will use non-standard port if specified in URL\n## (e.g., http:\/\/example.com:8080\/index.html)\n## Checks for successful connection\n## Moderately meaningful exit codes\n## Parses headers for\n## Successful request\n## Content-Type\n## Content-Length\n## Transfer-Encoding: chunked (the reason for f19 before and 0 after HTML)\n## Stores headers in shell array\n## Command-line options:\n## Save output to a file\n## Save headers to a file\n## Verbose output in various degrees\n## Works in KornShell93 as well as bash\n\n## To do:\n## Better usage function, including command-line options\n## Automatically follow redirections (301, 302, 303)\n## More selective verbosity\n## Strip CRs from chunked encoded text\n## Add From: line to request\n## More comments\n\n## References:\n## HTTP Made Really Easy:\n## A Practical Guide to Writing Clients and Servers\n## \n\nhttpClient()\n{\n local URL=$1\n local type=\n local HEADERS HOST RESOURCE PORT=$PORT\n\n case $URL in\n http:\/\/*) ;;\n \"\") die \"$ERR_USAGE\" \"$USAGE\" ;;\n *) die \"$ERR_URL\" \"$URL not a valid URL. Must start with http:\/\/\" ;;\n esac\n\n # Get the host\n HOST=${URL#http:\/\/} ## Discard http:\/\/\n case $HOST in\n *\/*) RESOURCE=\/${HOST#*\/} # Extract resource from URL\n HOST=${HOST%\"$RESOURCE\"}\n ;;\n *) \n ;;\n esac\n case $HOST in\n *:*) PORT=${HOST##*:}\n HOST=${HOST%:*}\n ;;\n esac\n\n [ $verbose -gt 0 ] && {\n echo \"HOST=$HOST\"\n echo \"PORT=$PORT\"\n echo \"RESOURCE=$RESOURCE\"\n }\n\n exec 3<> \/dev\/tcp\/$HOST\/$PORT # Open connection\n ERR=$?\n [ \"$ERR\" -ne 0 ] && die \"$ERR_CONNECT\" \"Error $ERR: COULD NOT CONNECT\"\n\n request >&3\n [ $verbose -gt 2 ] && request >&2\n\n ## Get headers\n while :\n do\n IFS= read -r -u 3 -t ${TIMEOUT:=1} || die \"$ERR_HEADER\"\n LINE=${REPLY%\"$CR\"}\n [ $verbose -gt 0 ] && printf \"%s\\n\" \"$LINE\"\n case $LINE in\n \"\") break ;; ## end of headers\n HTTP\/1.[01]*) ;; ## Add redirection here\n Transfer-Encoding:*chunked*) type=chunked ;;\n Content-Length:*) length=${LINE#Content-Length: } ;;\n Content-Type:*) type=$type${LINE#Content-Type: } ;;\n esac\n HEADERS[${#HEADERS[@]}]=$LINE # Save headers, for no reason\n done\n\n ## Redirect stdout to file if specified\n [ -n \"$outfile\" ] && {\n exec > \"$outfile\" || die \"$ERR_WRITE\" \"Could not write to $outfile\"\n }\n\n ## Print body to stdout (assumes text)\n [ $verbose -eq 2 ] && {\n while IFS= read -u3 -r -t1 line\n do\n printf \"%s\\n\" \"${line%\"$CR\"}\"\n done\n exit\n }\n\n ## Get the body\n case $type in\n chunked*) while read_chunk; do :; done ;;\n Text\/*)\n while :\n do\n IFS= read -r -u 3 -t \"$TIMEOUT\" || # read from server\n die \"$ERR_TIMEOUT\" \"Server timed out\"\n printf \"%s\\n\" \"${REPLY%$CR}\" # Eliminate \\r, we are using UNIX\n done\n ;;\n *) dd bs=$length count=1 < &3 2>\/dev\/null ;;\n esac\n\n exec 3< &-\n}\n\nrequest()\n{\n printf \"GET %s HTTP\/1.1\\r\\n\" \"${RESOURCE:-\/}\" # Request resource, only care about gets.\n printf \"host: %s:%d\\r\\n\" \"$HOST\" \"$PORT\" # Send host header, what about encoding?\n printf \"User-agent: %s %s\\r\\n\" \"$progname\" \"$version\" # Send user agent\n printf \"\\r\\n\" # End request\n}\n\nread_chunk()\n{\n IFS= read -r -t1 num\n num=${num%%[!0-9a-fA-F]*}\n case $num in\n \"\") return 0 ;;\n esac\n size=$( printf \"%d\\n\" \"0x${num#0[xX]}\" )\n [ $verbose -gt 2 ] && printf \"CHUNK SIZE: %d (%s)\\n\" \"$size\" \"$num\" >&2\n [ \"$size\" -eq 0 ] && return 1\n dd bs=$size count=1 2>\/dev\/null\n} < &3\n\ndie() {\n result=$1\n shift\n [ -n \"$*\" ] && printf \"%s\\n\" \"$*\" >&2\n exec 3< &-\n\n [ -n \"$headerfile\" ] && printf \"%s\\n\" \"${HEADERS[@]}\" > \"$headerfile\"\n exit $result\n}\n\nCR=$'\\r'\nNL=$'\\n'\nprogname=${0##*\/}\nversion=0.1\nUSAGE=\"Usage: $progname [OPTIONS] http:\/\/URL\"\nERR_USAGE=1\nERR_URL=2\nERR_CONNECT=3\nERR_REQUEST=4\nERR_HEADER=5\nERR_TIMEOUT=6\nERR_WRITE=7\n\nPORT=80\nheaderfile=\noutfile=\nverbose=0\n\n## Save options (for future redirection)\nCOMMAND_LINE=( \"$@\" )\n\nwhile getopts h:o:v opt\ndo\n case $opt in\n h) headerfile=$OPTARG ;;\n o) outfile=$OPTARG ;;\n v) verbose=$(( $verbose + 1 )) ;;\n esac\ndone\nshift \"$(( $OPTIND - 1 ))\"\n\nhttpClient \"$@\"\n\n[ -n \"$headerfile\" ] && printf \"%s\\n\" \"${HEADERS[@]}\" > \"$headerfile\"\n\n<\/http><\/cfajohnson><\/pre>\n \nreturns;<\/p>\n
real\t0m0.040s
\nuser\t0m0.005s
\nsys\t0m0.008s<\/p>\nsame as above…<\/p>\n","protected":false},"excerpt":{"rendered":"
time curl -s “http:\/\/g33kinfo.com?[1-1000]” real 0m0.017s user 0m0.006s sys 0m0.006s and another one from bashcurescancer\/com #!\/bin\/bash # Author: see http:\/\/bashcurescancer.com\/improve-this-script-win-100-dollars.html # Modified and extended by “Chris F.A. Johnson” , 2007-02-25 # Web site: http:\/\/cfaj.freeshell.org ## Features: ## Will use non-standard port if specified in URL ## (e.g., http:\/\/example.com:8080\/index.html) ## Checks for successful connection ## Moderately… <\/p>\n