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author | Taru Karttunen <taruti@taruti.net> | 2011-03-30 16:49:47 +0300 |
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committer | Taru Karttunen <taruti@taruti.net> | 2011-03-30 16:49:47 +0300 |
commit | b41b9034225ab3e49980d9de55c141011b6383b0 (patch) | |
tree | 891014b4c2e803e01ac7a1fd2b60819fbc5a6e73 /sys/man/1/seq | |
parent | c558a99e0be506a9abdf677f0ca4490644e05fc1 (diff) |
Import sources from 2011-03-30 iso image - sys/man
Diffstat (limited to 'sys/man/1/seq')
-rwxr-xr-x | sys/man/1/seq | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/sys/man/1/seq b/sys/man/1/seq new file mode 100755 index 000000000..60d1f12a9 --- /dev/null +++ b/sys/man/1/seq @@ -0,0 +1,75 @@ +.TH SEQ 1 +.SH NAME +seq \- print sequences of numbers +.SH SYNOPSIS +.B seq +[ +.B -w +] +[ +.BI -f format +] +[ +.I first +[ +.I incr +] +] +.I last +.SH DESCRIPTION +.I Seq +prints a sequence of numbers, one per line, from +.I first +(default 1) to as near +.I last +as possible, in increments of +.I incr +(default 1). +The loop is: +.sp +.EX + for(val = min; val <= max; val += incr) print val; +.EE +.sp +The numbers are interpreted as floating point. +.PP +Normally integer values are printed as decimal integers. +The options are +.TP "\w'\fL-f \fIformat\fLXX'u" +.BI -f format +Use the +.IR print (2)-style +.I format +.IR print +for printing each (floating point) number. +The default is +.LR %g . +.TP +.B -w +Equalize the widths of all numbers by padding with +leading zeros as necessary. +Not effective with option +.BR -f , +nor with numbers in exponential notation. +.SH EXAMPLES +.TP +.L +seq 0 .05 .1 +Print +.BR "0 0.05 0.1" +(on separate lines). +.TP +.L +seq -w 0 .05 .1 +Print +.BR "0.00 0.05 0.10" . +.SH SOURCE +.B /sys/src/cmd/seq.c +.SH BUGS +Option +.B -w +always surveys every value in advance. +Thus +.L +seq -w 1000000000 +is a painful way to get an `infinite' sequence. |