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| author | Leah Neukirchen <leah@vuxu.org> | 2017-05-23 15:25:28 +0200 |
|---|---|---|
| committer | Leah Neukirchen <leah@vuxu.org> | 2017-05-23 15:25:28 +0200 |
| commit | 94854ad1852527b3ef03b323948c2fd6c63803ef (patch) | |
| tree | e7bcf1bda0737a3229da8162bc87429b0c527d79 /mscan.c | |
| parent | e8107b1889a620b6ba446953e698b30f1803b2cb (diff) | |
| download | mblaze-94854ad1852527b3ef03b323948c2fd6c63803ef.tar.gz mblaze-94854ad1852527b3ef03b323948c2fd6c63803ef.tar.xz mblaze-94854ad1852527b3ef03b323948c2fd6c63803ef.zip | |
mscan: spawn a pager for interactive use
Diffstat (limited to 'mscan.c')
| -rw-r--r-- | mscan.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/mscan.c b/mscan.c index 9264587..d981ace 100644 --- a/mscan.c +++ b/mscan.c @@ -488,6 +488,8 @@ oneline(char *file) int main(int argc, char *argv[]) { + pid_t pid1 = -1; + int c; while ((c = getopt(argc, argv, "If:n")) != -1) switch(c) { @@ -516,8 +518,21 @@ main(int argc, char *argv[]) replacement = 0xfffd; struct winsize w; - if (ioctl(1, TIOCGWINSZ, &w) == 0) + if (ioctl(1, TIOCGWINSZ, &w) == 0) { cols = w.ws_col; + + char *pg; + pg = getenv("MBLAZE_PAGER"); + if (!pg) + pg = getenv("PAGER"); + if (pg && *pg && strcmp(pg, "cat") != 0) { + pid1 = pipeto(pg); + if (pid1 < 0) + fprintf(stderr, + "mscan: spawning pager '%s': %s\n", + pg, strerror(errno)); + } + } if (getenv("COLUMNS")) cols = atoi(getenv("COLUMNS")); if (cols <= 40) @@ -550,5 +565,8 @@ main(int argc, char *argv[]) i = blaze822_loop(argc-optind, argv+optind, oneline); fprintf(stderr, "%ld mails scanned\n", i); + if (pid1 > 0) + pipeclose(pid1); + return 0; } |