HTTP/2 302 server: nginx date: Wed, 06 Aug 2025 05:01:46 GMT content-type: text/plain; charset=utf-8 content-length: 0 x-archive-redirect-reason: found capture at 20071016162305 location: https://web.archive.org/web/20071016162305/https://examples.oreilly.com/upt2/split/zvi server-timing: captures_list;dur=0.484534, exclusion.robots;dur=0.017015, exclusion.robots.policy;dur=0.008071, esindex;dur=0.009844, cdx.remote;dur=20.640947, LoadShardBlock;dur=105.506551, PetaboxLoader3.datanode;dur=67.522943 x-app-server: wwwb-app221 x-ts: 302 x-tr: 156 server-timing: TR;dur=0,Tw;dur=0,Tc;dur=0 set-cookie: wb-p-SERVER=wwwb-app221; path=/ x-location: All x-rl: 0 x-na: 0 x-page-cache: MISS server-timing: MISS x-nid: DigitalOcean referrer-policy: no-referrer-when-downgrade permissions-policy: interest-cohort=() HTTP/2 200 server: nginx date: Wed, 06 Aug 2025 05:01:47 GMT content-type: text/plain content-length: 3399 x-archive-orig-date: Tue, 16 Oct 2007 16:23:05 GMT x-archive-orig-server: Apache x-archive-orig-last-modified: Thu, 28 Jun 2001 21:57:14 GMT x-archive-orig-etag: "316ad9-d47-3b3ba83a" x-archive-orig-accept-ranges: bytes x-archive-orig-content-length: 3399 x-archive-orig-connection: close cache-control: max-age=1800 x-archive-guessed-content-type: text/plain x-archive-guessed-charset: utf-8 memento-datetime: Tue, 16 Oct 2007 16:23:05 GMT link: ; rel="original", ; rel="timemap"; type="application/link-format", ; rel="timegate", ; rel="first memento"; datetime="Thu, 31 Oct 2002 07:49:51 GMT", ; rel="prev memento"; datetime="Wed, 18 Oct 2006 00:09:39 GMT", ; rel="memento"; datetime="Tue, 16 Oct 2007 16:23:05 GMT", ; rel="next memento"; datetime="Tue, 10 Feb 2009 08:42:14 GMT", ; rel="last memento"; datetime="Fri, 25 Mar 2016 02:59:30 GMT" content-security-policy: default-src 'self' 'unsafe-eval' 'unsafe-inline' data: blob: archive.org web.archive.org web-static.archive.org wayback-api.archive.org athena.archive.org analytics.archive.org pragma.archivelab.org wwwb-events.archive.org x-archive-src: 52_0_20071016155919_crawl105-c/52_0_20071016162132_crawl100.arc.gz server-timing: captures_list;dur=0.757622, exclusion.robots;dur=0.026632, exclusion.robots.policy;dur=0.012398, esindex;dur=0.014350, cdx.remote;dur=10.130433, LoadShardBlock;dur=129.376370, PetaboxLoader3.datanode;dur=119.590655, PetaboxLoader3.resolve;dur=124.171298, load_resource;dur=145.420820 x-app-server: wwwb-app221 x-ts: 200 x-tr: 315 server-timing: TR;dur=0,Tw;dur=0,Tc;dur=0 x-location: All x-rl: 0 x-na: 0 x-page-cache: MISS server-timing: MISS x-nid: DigitalOcean referrer-policy: no-referrer-when-downgrade permissions-policy: interest-cohort=() accept-ranges: bytes #! /bin/sh # ### zvi, zex, zed - gunzip file(s), edit, re-gzip ### Usage: zvi/zex/zed file(s)-or-file(s)[.gz] ## ## THESE PROGRAMS BOTH DO THE SAME THING: UNCOMPRESS ONE OR MORE ## FILE(S), RUN vi, ex OR ed ON THEM, THEN RECOMPRESS THEM IN THE ## BACKGROUND. ## ## WHEN YOU GIVE IT MORE THAN ONE FILE TO EDIT, THE PROGRAM ONLY ## UNCOMPRESSES THE FIRST FILE BEFORE STARTING THE EDITOR. IT DOES THE ## REST IN THE BACKGROUND WHILE YOU EDIT THE FIRST FILE. ## ## ALL THE FILES YOU EDIT HAVE TO BE COMPRESSED BEFORE YOU START THE ## PROGRAM. BUT YOU DON'T HAVE TO TYPE THE .gz EXTENSION(S) IF YOU ## DON'T WANT TO. THAT MEANS YOU CAN USE WILDCARDS OR FILENAMES: ## zvi *.gz ## YOU CAN ALSO REDIRECT INPUT TO USE AN (UNCOMPRESSED!) EDITING SCRIPT: ## zex aprog.c < exscr ## ## WHEN YOU QUIT THE EDITOR, THE RECOMPRESSION STARTS IN THE ## BACKGROUND. IF THERE ARE ANY ERRORS, THE PROGRAM WILL SEND YOU ## MAIL WITH A COPY OF THE ERRORS. gzip=/usr/local/bin/gzip fmt=/usr/ucb/fmt mailer=/usr/ucb/mail gunzip=/usr/local/bin/gunzip # UNCOMMENT THE RIGHT LINE FOR YOUR UNIX: # echo="echo -n" nnl= # BSD # echo=echo nnl="\c" # SYSV echo="echo -n" nnl= PATH=/usr/bin:$PATH; export PATH # SunOS # SHOULD HAVE A trap THAT ASKS ABOUT RECOMPRESSING # AND CHECKS STATUS OF BACKGROUND gunzip JOBS.... SIGH. case "$0" in *zed) prog=ed myname=zed ;; *zex) prog=ex myname=zex ;; *zvi) prog=vi myname=zvi ;; *) echo "$0: quitting: I don't know how to run myself!" 1>&2; exit 1 ;; esac t=/tmp/CMPRS$$ # TEMP FILE (REMOVED BY BACKGROUND JOB AT END) # NOTE: need to understand two-word options like "-c command" # and pass those to the editor. for arg do case "$arg" in -*) echo "$myname: I don't understand options (yet)..." 1>&2; exit 1 ;; *) # ASSUME IT'S A FILE... case "$arg" in *.gz) file="`expr $arg : '\(.*\).gz'`" ;; # $arg WITHOUT THE .gz *) file="$arg" ;; # ASSUME FILE HAS A .gz EXTENSION... esac if [ ! -r "${file}.gz" ] then echo "$myname: can't read '${file}.gz'." 1>&2 $echo "Do you want to quit [yn](y)? $nnl" read ans case "$ans" in ""|[yY]*) exit 1 ;; *) echo "$myname: I'll skip '$file.gz'..." 1>&2 continue # DON'T ADD $file TO LISTS ;; esac fi # UNCOMPRESS FIRST FILE IN FOREGROUND (LATER, IF ALL ARGS OK): case "$files" in "") fgfile="$file" ;; *) bgfiles="$bgfiles $file" ;; esac # $files SHOULD HOLD *UNCOMPRESSED* NAMES. files="$files $file" esac done case "$fgfile" in "") echo "Usage: $myname file [files] You didn't give me any file names." 1>&2 exit 1 ;; *) $gunzip $fgfile || { echo "$myname quitting: 'gunzip $fgfile' bombed." 1>&2 exit 1 } ;; esac # IF gunzip BOMBS, WE'LL ALREADY BE IN THE EDITOR. # sort-of FIX: SAVE ERRORS AND SHOW THEM WHEN EDITOR EXITS. # IF NO $bgfiles, DON'T DO ANYTHING: test -n "$bgfiles" && $gunzip $bgfiles >$t 2>&1 & $prog $files if [ -s $t ] then echo "$myname: 'gunzip $bgfiles' bombed:" 1>&2 cat $t 1>&2 $echo "Should I try to gzip all files [ny](n)? $nnl" read ans case "$ans" in ""|[nN]*) echo "$myname: warning: not gzipping $files" 1>&2; exit 1 ;; esac else s="$myname gzipping ERROR in `pwd`" # MAIL MESSAGE SUBJECT # USE trap TO ACT LIKE nohup WITHOUT THE nice: sh -c "trap '' 1 15; $gzip $files >$t 2>&1; test -s $t && $mailer -s '$s' ${USER-$LOGNAME} <$t; rm -f $t" & echo $myname: re-gzipping $files in the background... | $fmt 1>&2 fi