Display text file using less in Cygwin terminal or xterm incorrect when lines are longer than window width
C Linus Hicks
linush@mindspring.com
Sat Aug 14 04:05:17 GMT 2021
On Sat, 2021-08-14 at 12:59 +0900, Takashi Yano wrote:
> On Fri, 13 Aug 2021 23:46:35 -0400
> C Linus Hicks <linush@mindspring.com> wrote:
>
> > On Fri, 2021-08-13 at 23:27 -0400, C Linus Hicks via Cygwin wrote:
> > > On Sat, 2021-08-14 at 11:48 +0900, Takashi Yano wrote:
> > > > On Fri, 13 Aug 2021 21:47:53 -0400
> > > > C Linus Hicks wrote:
> > > > > On Mon, 2021-08-09 at 15:17 -0400, C Linus Hicks via Cygwin wrote:
> > > > > > On Sat, 2021-08-07 at 13:33 -0600, Brian Inglis wrote:
> > > > > > > Works Just Fine For Me!
> > > > > > >
> > > > > > This is Cygwin 64 on Windows 10 in a VirtualBox VM, cygcheck output attached.
> > > > > >
> > > > > > It has been a while since I updated Cygwin; as long as it serves my purpose, I generally don't focus
> > > > > > on that; it is just a tool I use.
> > > > > >
> > > > > > Since I did open this thread, of course I need to make sure I am up-to-date. I have now done that
> > > > > > and I don't see issues with Cygwin terminal and less, although that is not really where I am
> > > > > > focusing. I mostly use xterm windows just because there are several characteristics I like about it.
> > > > > >
> > > > > > I am still seeing issues with xterm and less, as I stated in my original post.
> > > > > >
> > > > > Did I post this in the wrong list? I have not gotten a response since my update.
> > > >
> > > > 1) Does your problem also happen even if the text file contains only
> > > > ASCII chars?
> > > > 2) What does 'which less' say?
> > > > 3) What does 'infocmp' say?
> > > >
> > >
> > > Most of the files I view have only ASCII text.
> > >
> > > lhicks@ESG-Win10-1 ~
> > > $ echo $TERM
> > > xterm
> > >
> > > lhicks@ESG-Win10-1 ~
> > > $ which less
> > > /usr/bin/less
> > >
> > > lhicks@ESG-Win10-1 ~
> > > $ infocmp
> > > # Reconstructed via infocmp from file: /usr/share/terminfo/78/xterm
> > >
> >
> > I should further note that much of the time I am ssh'ed into one of several different Linux
> > machines, so in that case, I would be running less from the Linux machine and displaying in the
> > Cygwin xterm.
> >
> > Hmmm, so now I'm starting to think the combination I have trouble with is an older less on a Linux
> > machine and Cygwin xterm. I don't control what is installed on some of these Linux machines. Do you
> > know if there were known issues with less, for example, the following is one that has significant
> > issues:
> >
> > [appldev3@ebs-app-dev3 HAF]$ less --version
> > less 458 (POSIX regular expressions)
> > Copyright (C) 1984-2012 Mark Nudelman
> >
> > less comes with NO WARRANTY, to the extent permitted by law.
> > For information about the terms of redistribution,
> > see the file named README in the less distribution.
> > Homepage: http://www.greenwoodsoftware.com/less
>
> Then, could you please let us know the result of infocmp in the Linux
> machine you run the less obove in cygwin xterm?
>
[appldev3@ebs-app-dev3 HAF]$ infocmp
# Reconstructed via infocmp from file: /usr/share/terminfo/x/xterm
xterm|xterm terminal emulator (X Window System),
am, bce, km, mc5i, mir, msgr, npc, xenl,
colors#8, cols#80, it#8, lines#24, pairs#64,
acsc=``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~,
bel=^G, blink=\E[5m, bold=\E[1m, cbt=\E[Z, civis=\E[?25l,
clear=\E[H\E[2J, cnorm=\E[?12l\E[?25h, cr=^M,
csr=\E[%i%p1%d;%p2%dr, cub=\E[%p1%dD, cub1=^H,
cud=\E[%p1%dB, cud1=^J, cuf=\E[%p1%dC, cuf1=\E[C,
cup=\E[%i%p1%d;%p2%dH, cuu=\E[%p1%dA, cuu1=\E[A,
cvvis=\E[?12;25h, dch=\E[%p1%dP, dch1=\E[P, dl=\E[%p1%dM,
dl1=\E[M, ech=\E[%p1%dX, ed=\E[J, el=\E[K, el1=\E[1K,
flash=\E[?5h$<100/>\E[?5l, home=\E[H, hpa=\E[%i%p1%dG,
ht=^I, hts=\EH, ich=\E[%p1%d@, il=\E[%p1%dL, il1=\E[L,
ind=^J, indn=\E[%p1%dS, invis=\E[8m,
is2=\E[!p\E[?3;4l\E[4l\E>, kDC=\E[3;2~, kEND=\E[1;2F,
kHOM=\E[1;2H, kIC=\E[2;2~, kLFT=\E[1;2D, kNXT=\E[6;2~,
kPRV=\E[5;2~, kRIT=\E[1;2C, kb2=\EOE, kbs=\177, kcbt=\E[Z,
kcub1=\EOD, kcud1=\EOB, kcuf1=\EOC, kcuu1=\EOA,
kdch1=\E[3~, kend=\EOF, kent=\EOM, kf1=\EOP, kf10=\E[21~,
kf11=\E[23~, kf12=\E[24~, kf13=\E[1;2P, kf14=\E[1;2Q,
kf15=\E[1;2R, kf16=\E[1;2S, kf17=\E[15;2~, kf18=\E[17;2~,
kf19=\E[18;2~, kf2=\EOQ, kf20=\E[19;2~, kf21=\E[20;2~,
kf22=\E[21;2~, kf23=\E[23;2~, kf24=\E[24;2~,
kf25=\E[1;5P, kf26=\E[1;5Q, kf27=\E[1;5R, kf28=\E[1;5S,
kf29=\E[15;5~, kf3=\EOR, kf30=\E[17;5~, kf31=\E[18;5~,
kf32=\E[19;5~, kf33=\E[20;5~, kf34=\E[21;5~,
kf35=\E[23;5~, kf36=\E[24;5~, kf37=\E[1;6P, kf38=\E[1;6Q,
kf39=\E[1;6R, kf4=\EOS, kf40=\E[1;6S, kf41=\E[15;6~,
kf42=\E[17;6~, kf43=\E[18;6~, kf44=\E[19;6~,
kf45=\E[20;6~, kf46=\E[21;6~, kf47=\E[23;6~,
kf48=\E[24;6~, kf49=\E[1;3P, kf5=\E[15~, kf50=\E[1;3Q,
kf51=\E[1;3R, kf52=\E[1;3S, kf53=\E[15;3~, kf54=\E[17;3~,
kf55=\E[18;3~, kf56=\E[19;3~, kf57=\E[20;3~,
kf58=\E[21;3~, kf59=\E[23;3~, kf6=\E[17~, kf60=\E[24;3~,
kf61=\E[1;4P, kf62=\E[1;4Q, kf63=\E[1;4R, kf7=\E[18~,
kf8=\E[19~, kf9=\E[20~, khome=\EOH, kich1=\E[2~,
kind=\E[1;2B, kmous=\E[M, knp=\E[6~, kpp=\E[5~,
kri=\E[1;2A, mc0=\E[i, mc4=\E[4i, mc5=\E[5i, meml=\El,
memu=\Em, op=\E[39;49m, rc=\E8, rev=\E[7m, ri=\EM,
rin=\E[%p1%dT, rmacs=\E(B, rmam=\E[?7l, rmcup=\E[?1049l,
rmir=\E[4l, rmkx=\E[?1l\E>, rmm=\E[?1034l, rmso=\E[27m,
rmul=\E[24m, rs1=\Ec, rs2=\E[!p\E[?3;4l\E[4l\E>, sc=\E7,
setab=\E[4%p1%dm, setaf=\E[3%p1%dm,
setb=\E[4%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m,
setf=\E[3%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m,
sgr=%?%p9%t\E(0%e\E(B%;\E[0%?%p6%t;1%;%?%p2%t;4%;%?%p1%p3%|%t;7%;%?%p4%t;5%;%?%p7%t;8%;m,
sgr0=\E(B\E[m, smacs=\E(0, smam=\E[?7h, smcup=\E[?1049h,
smir=\E[4h, smkx=\E[?1h\E=, smm=\E[?1034h, smso=\E[7m,
smul=\E[4m, tbc=\E[3g, u6=\E[%i%d;%dR, u7=\E[6n,
u8=\E[?1;2c, u9=\E[c, vpa=\E[%i%p1%dd,
[appldev3@ebs-app-dev3 HAF]$
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