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author | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
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committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
commit | fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch) | |
tree | bdda434976bc09c864f2e4fa6f16ba1952b1e555 /pkg/language/doc/while.hlp | |
download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz |
Initial commit
Diffstat (limited to 'pkg/language/doc/while.hlp')
-rw-r--r-- | pkg/language/doc/while.hlp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/pkg/language/doc/while.hlp b/pkg/language/doc/while.hlp new file mode 100644 index 00000000..c5cb96f5 --- /dev/null +++ b/pkg/language/doc/while.hlp @@ -0,0 +1,44 @@ +.help while Feb86 language +.ih +NAME +while -- while loop construct +.ih +SYNTAX +while (expression) statement +.ih +ELEMENTS +.ls while +Required keyword. +.le +.ls expression +A boolean valued expression tested before each iteration. +.le +.ls statement +A statement (possibly compound) to be executed in each iteration of the loop. +.le +.ih +DESCRIPTION +The \fIwhile\fR loop executes the enclosed statements while the specified +condition is true. +.ih +EXAMPLES +1. An infinite loop. + +.nf + while (yes) { + sleep 30 + time + } +.fi + +2. Type a file. + +.nf + list = "home$login.cl" + while (fscan (list, line) != EOF) + print (line) +.fi +.ih +SEE ALSO +for, case, break, next +.endhelp |