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Diffstat (limited to 'doc/gawk.info')
| -rw-r--r-- | doc/gawk.info | 115 |
1 files changed, 78 insertions, 37 deletions
diff --git a/doc/gawk.info b/doc/gawk.info index c0c44864..472b50f7 100644 --- a/doc/gawk.info +++ b/doc/gawk.info @@ -28697,7 +28697,7 @@ by 3 bits to make room for the severity codes. To extract the actual 'gawk' exit code from the VMS status, use: - unix_status = (vms_status .and. &x7f8) / 8 + unix_status = (vms_status .and. %x7f8) / 8 A C program that uses 'exec()' to call 'gawk' will get the original Unix-style exit value. @@ -28720,6 +28720,46 @@ of 'AWKPATH' is a comma-separated list of directory specifications. When defining it, the value should be quoted so that it retains a single translation and not a multitranslation 'RMS' searchlist. + This restriction also applies to running 'gawk' under GNV, as +redirection is always to a DCL command. + + If you are redirecting data to a VMS command or utility, the current +implementation requires that setting up a VMS foreign command that runs +a command file before invoking 'gawk'. (This restriction may be removed +in a future release of 'gawk' on VMS.) + + Without this command file, the input data will also appear prepended +to the output data. + + This also allows simulating POSIX commands that are not found on VMS +or the use of GNV utilities. + + The example below is for 'gawk' redirecting data to the VMS 'sort' +command. + + $ sort = "@device:[dir]vms_gawk_sort.com" + + The command file needs to be of the format in the example below. + + The first line inhibits the passed input data from also showing up in +the output. It must be in the format in the example. + + The next line creates a foreign command that overrides the outer +foreign command which prevents an infinite recursion of command files. + + The next to the last command redirects 'sys$input' to be +'sys$command', in order to pick up the data that is being redirected to +the command. + + The last line runs the actual command. It must be the last command +as the data redirected from 'gawk' will be read when the command file +ends. + + $!'f$verify(0,0)' + $ sort := sort + $ define/user sys$input sys$command: + $ sort sys$input: sys$output: + File: gawk.info, Node: VMS GNV, Next: VMS Old Gawk, Prev: VMS Running, Up: VMS Installation @@ -34478,6 +34518,7 @@ Index * redirect gawk output, in debugger: Debugger Info. (line 73) * redirection of input: Getline/File. (line 6) * redirection of output: Redirection. (line 6) +* redirection on VMS: VMS Running. (line 64) * reference counting, sorting arrays: Array Sorting Functions. (line 77) * regexp: Regexp. (line 6) @@ -35626,41 +35667,41 @@ Ref: VMS Compilation-Footnote-11150091 Node: VMS Dynamic Extensions1150149 Node: VMS Installation Details1151834 Node: VMS Running1154087 -Node: VMS GNV1156928 -Node: VMS Old Gawk1157663 -Node: Bugs1158134 -Node: Other Versions1162331 -Node: Installation summary1168917 -Node: Notes1169975 -Node: Compatibility Mode1170840 -Node: Additions1171622 -Node: Accessing The Source1172547 -Node: Adding Code1173983 -Node: New Ports1180202 -Node: Derived Files1184690 -Ref: Derived Files-Footnote-11190175 -Ref: Derived Files-Footnote-21190210 -Ref: Derived Files-Footnote-31190808 -Node: Future Extensions1190922 -Node: Implementation Limitations1191580 -Node: Extension Design1192763 -Node: Old Extension Problems1193917 -Ref: Old Extension Problems-Footnote-11195435 -Node: Extension New Mechanism Goals1195492 -Ref: Extension New Mechanism Goals-Footnote-11198856 -Node: Extension Other Design Decisions1199045 -Node: Extension Future Growth1201158 -Node: Old Extension Mechanism1201994 -Node: Notes summary1203757 -Node: Basic Concepts1204939 -Node: Basic High Level1205620 -Ref: figure-general-flow1205902 -Ref: figure-process-flow1206587 -Ref: Basic High Level-Footnote-11209888 -Node: Basic Data Typing1210073 -Node: Glossary1213401 -Node: Copying1245347 -Node: GNU Free Documentation License1282886 -Node: Index1308004 +Node: VMS GNV1158366 +Node: VMS Old Gawk1159101 +Node: Bugs1159572 +Node: Other Versions1163769 +Node: Installation summary1170355 +Node: Notes1171413 +Node: Compatibility Mode1172278 +Node: Additions1173060 +Node: Accessing The Source1173985 +Node: Adding Code1175421 +Node: New Ports1181640 +Node: Derived Files1186128 +Ref: Derived Files-Footnote-11191613 +Ref: Derived Files-Footnote-21191648 +Ref: Derived Files-Footnote-31192246 +Node: Future Extensions1192360 +Node: Implementation Limitations1193018 +Node: Extension Design1194201 +Node: Old Extension Problems1195355 +Ref: Old Extension Problems-Footnote-11196873 +Node: Extension New Mechanism Goals1196930 +Ref: Extension New Mechanism Goals-Footnote-11200294 +Node: Extension Other Design Decisions1200483 +Node: Extension Future Growth1202596 +Node: Old Extension Mechanism1203432 +Node: Notes summary1205195 +Node: Basic Concepts1206377 +Node: Basic High Level1207058 +Ref: figure-general-flow1207340 +Ref: figure-process-flow1208025 +Ref: Basic High Level-Footnote-11211326 +Node: Basic Data Typing1211511 +Node: Glossary1214839 +Node: Copying1246785 +Node: GNU Free Documentation License1284324 +Node: Index1309442 End Tag Table |