```r
fn <- "TMT_Erwinia_1uLSike_Top10HCD_isol2_45stepped_60min_01-20141210.mzML"
mzf <- pxget(px, fn)
```

```
## Downloading 1 file
```

```r
mzf
```

```
## [1] "/home/biocbuild/bbs-3.7-workflows/meat/.buildwebvig/proteomics/TMT_Erwinia_1uLSike_Top10HCD_isol2_45stepped_60min_01-20141210.mzML"
```