* [9fans] Deleting lines in sam - d @ 2022-05-11 19:11 revcomninos 2022-05-11 19:22 ` umbraticus 0 siblings, 1 reply; 6+ messages in thread From: revcomninos @ 2022-05-11 19:11 UTC (permalink / raw) To: 9fans [-- Attachment #1: Type: text/plain, Size: 448 bytes --] In ed one can show line numbers using n. To delete line nubers is thus easy. In sam - d it appears this is not possible. I understand sam is not a line editor. What the would be the best way to delete a range of lines? ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tc5c492077a61275c-M54374be671082c4e329d2aeb Delivery options: https://9fans.topicbox.com/groups/9fans/subscription [-- Attachment #2: Type: text/html, Size: 940 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [9fans] Deleting lines in sam - d 2022-05-11 19:11 [9fans] Deleting lines in sam - d revcomninos @ 2022-05-11 19:22 ` umbraticus 2022-05-11 20:26 ` revcomninos 0 siblings, 1 reply; 6+ messages in thread From: umbraticus @ 2022-05-11 19:22 UTC (permalink / raw) To: 9fans = prints line number 3,7d deletes some lines Setting and working with the mark may also suit your problem find a place, press k, find another place, then ',.d or .,' deletes everything in between. Multiple marks à la ed would be a nice addition to sam. umbraticus P.S. Here's a patch to make = more sensible (ie. plumbable): --- a/sys/man/1/sam Wed Apr 27 19:24:07 2022 +++ b/sys/man/1/sam Sat Apr 16 02:53:35 2022 @@ -403,10 +403,10 @@ Set dot. .TP .B = -Print the line address and character address of the range. +Print the file name and line address of the range. .TP .B =# -Print just the character address of the range. +Print the file name and character address of the range. .PD .SS File commands .PD 0 --- a/sys/src/cmd/sam/sam.c Wed Apr 27 19:24:07 2022 +++ b/sys/src/cmd/sam/sam.c Sat Apr 16 02:53:35 2022 @@ -688,11 +688,27 @@ } void -printposn(File *f, int charsonly) +printposn(File *f, int chars) { Posn l1, l2; + char *s; - if(!charsonly){ + if(f->name.s[0]){ + if(f->name.s[0]!='/'){ + getcurwd(); + s = Strtoc(&curwd); + dprint("%s", s); + free(s); + } + s = Strtoc(&f->name); + dprint("%s:", s); + free(s); + } + if(chars){ + dprint("#%lud", addr.r.p1); + if(addr.r.p2 != addr.r.p1) + dprint(",#%lud", addr.r.p2); + }else{ l1 = 1+nlcount(f, (Posn)0, addr.r.p1); l2 = l1+nlcount(f, addr.r.p1, addr.r.p2); /* check if addr ends with '\n' */ @@ -701,11 +717,7 @@ dprint("%lud", l1); if(l2 != l1) dprint(",%lud", l2); - dprint("; "); } - dprint("#%lud", addr.r.p1); - if(addr.r.p2 != addr.r.p1) - dprint(",#%lud", addr.r.p2); dprint("\n"); } ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tc5c492077a61275c-M738ed39a9ebb9a95372a4aad Delivery options: https://9fans.topicbox.com/groups/9fans/subscription ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [9fans] Deleting lines in sam - d 2022-05-11 19:22 ` umbraticus @ 2022-05-11 20:26 ` revcomninos 2022-05-12 5:54 ` Chris Fröschl 2022-05-12 10:00 ` revcomninos 0 siblings, 2 replies; 6+ messages in thread From: revcomninos @ 2022-05-11 20:26 UTC (permalink / raw) To: 9fans [-- Attachment #1: Type: text/plain, Size: 430 bytes --] Many thanks. I will apply your solutions and revert back. It just seems a little counter intuitive not to be able to show the line numbers as ed does,especially if one is viewing a large body of text. ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tc5c492077a61275c-M2a8d78f0b893ede1f6ec5cb3 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription [-- Attachment #2: Type: text/html, Size: 922 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [9fans] Deleting lines in sam - d 2022-05-11 20:26 ` revcomninos @ 2022-05-12 5:54 ` Chris Fröschl 2022-05-12 6:41 ` umbraticus 2022-05-12 10:00 ` revcomninos 1 sibling, 1 reply; 6+ messages in thread From: Chris Fröschl @ 2022-05-12 5:54 UTC (permalink / raw) To: 9fans revcomninos@gmail.com wrote: > Many thanks. I will apply your solutions and revert back. It just seems a little counter intuitive not to be able to show the line numbers as ed does,especially if one is viewing a large body of text. You can also try: unix: ,>nl plan9: ,x { p } (or write your own nl) That might do it for larger bodies. Although you have to prepare a more dedicated script for a clean nl approach. I like that sam doesn't offer that feature (especially because it doesn't really need it). It makes you think more about your environment scripts and how to use/prepare the utilities inside the sam env. I'm always trying to prepare some sam specific shell/rc scripts and get my 'missing' features that way. I would appreciate a more clean nl solution if anyone got something to offer. ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tc5c492077a61275c-Madd47ff7eed5de28fbce700a Delivery options: https://9fans.topicbox.com/groups/9fans/subscription ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [9fans] Deleting lines in sam - d 2022-05-12 5:54 ` Chris Fröschl @ 2022-05-12 6:41 ` umbraticus 0 siblings, 0 replies; 6+ messages in thread From: umbraticus @ 2022-05-12 6:41 UTC (permalink / raw) To: 9fans I mean, if you really want it, you can ,|awk '{print NR "\t" $0}' then ,x/^[0-9]+ /d or something. umbraticus ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tc5c492077a61275c-Mf73fea5ddae7354548491a99 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [9fans] Deleting lines in sam - d 2022-05-11 20:26 ` revcomninos 2022-05-12 5:54 ` Chris Fröschl @ 2022-05-12 10:00 ` revcomninos 1 sibling, 0 replies; 6+ messages in thread From: revcomninos @ 2022-05-12 10:00 UTC (permalink / raw) To: 9fans [-- Attachment #1: Type: text/plain, Size: 431 bytes --] I have applied the script and the suggestions are fantastic. For the kind of work I am doing now, having the numbers helps me a lot, although I do also understand the point Christ is making. Many thanks! ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tc5c492077a61275c-M66ddefc2515608e8640fc173 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription [-- Attachment #2: Type: text/html, Size: 919 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2022-05-12 10:00 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-05-11 19:11 [9fans] Deleting lines in sam - d revcomninos 2022-05-11 19:22 ` umbraticus 2022-05-11 20:26 ` revcomninos 2022-05-12 5:54 ` Chris Fröschl 2022-05-12 6:41 ` umbraticus 2022-05-12 10:00 ` revcomninos
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