diff options
Diffstat (limited to 'doc/el_semicolon.html')
| -rw-r--r-- | doc/el_semicolon.html | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/doc/el_semicolon.html b/doc/el_semicolon.html index 31446fe..b440a52 100644 --- a/doc/el_semicolon.html +++ b/doc/el_semicolon.html @@ -29,14 +29,14 @@ That is precisely what <em>blocks</em> are made for. <p> execline commands that need more than one linear set of arguments use blocks. For instance, the -<a href="foreground.html">foreground</a> command needs to spawn a +<a href="foreground.html">;</a> command needs to spawn a first process, then execute into a second one. It reads the command line for the first process from a block, and the command line for the second process from the rest of the argv. In the following script: </p> <pre> #!/command/execlineb - foreground { echo 1 } echo 2 + ; { echo 1 } echo 2 </pre> <p> <tt>echo 1</tt> is read from a block and spawned; then @@ -68,13 +68,13 @@ spaces. <p> Actually, the block-reading commands know nothing about braces; they only understand the "quoted arguments + empty word" syntax. -So if you want to use <a href="foreground.html">foreground</a> +So if you want to use <a href="foreground.html">;</a> from your shell to sequence <tt>echo 1</tt> and <tt>echo 2</tt>, you will have to write </p> <pre> - $ foreground ' echo' ' 1' '' echo 2 + $ ; ' echo' ' 1' '' echo 2 </pre> <p> @@ -83,7 +83,7 @@ that simple case. The following command works as well: </p> <pre> - $ foreground echo 1 '' echo 2 + $ ; echo 1 '' echo 2 </pre> <p> @@ -94,7 +94,7 @@ produce empty words, which may modify your script's execution flow. </p> <pre> - $ define FOO '' foreground ' echo' ' ${FOO}' ' rm' ' -rf' ' /' '' echo blah + \$ = FOO '' \; ' echo' ' ${FOO}' ' rm' ' -rf' ' /' '' echo blah </pre> <p> @@ -102,7 +102,7 @@ produce empty words, which may modify your script's execution flow. </p> <pre> - $ define FOO '' foreground echo '${FOO}' rm -rf / '' echo blah + \$ = FOO '' \; echo '${FOO}' rm -rf / '' echo blah </pre> <p> |